{"title":"Chuck Adapters","description":"\u003cp\u003eLittleMachineShop.com has a full range of lathe chuck adapters for mounting a lathe chuck on a lathe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eA short note on our terminology\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdapter\u003c\/strong\u003e: Products listed as \u003cstrong\u003eAdapters\u003c\/strong\u003e are flat adapters that bolt-on to lathes and no machining is required. See the product compatibility tab for machines that will support any given adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplate Lathe Chuck Adapter\u003c\/strong\u003e: Products whose name begins with \u003cstrong\u003eBackplate Lathe Chuck Adapter\u003c\/strong\u003e are flat adapters that are machined on the lathe side. The chuck side needs machining. Backplates are unthreaded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChuck Adapter\u003c\/strong\u003e: These products are \u003cstrong\u003ethreaded\u003c\/strong\u003e adapters. The chuck side needs machining. See link below for a reference page correlating lathe spindle threads to lathe chuck adapters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eWhen buying a Threaded Chuck Adapter\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo help you get the right threaded backplate lathe chuck adapter, we have a chart that correlates \u003ca href=\"https:\/\/littlemachineshop.com\/pages\/lathe-chuck-backplate-adapters\" target=\"_blank\" rel=\"noopener\"\u003elathe spindle threads to lathe chuck adapters\u003c\/a\u003e and a chart that provides \u003ca href=\"https:\/\/littlemachineshop.com\/pages\/lathe-chuck-threaded-adapter-dimensions\" target=\"_blank\" rel=\"noopener\"\u003edimensions of threaded lathe chuck adapters\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eThe first rule of buying a threaded adapter is to measure the threads on your spindle. There are simply too may variants of every kind of lathe to trust any chart. Here is a \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/paperthreadgage.pdf\" target=\"_blank\" rel=\"noopener\"\u003ePaper Thread Gage\u003c\/a\u003e to help measure.\u003c\/p\u003e","products":[{"product_id":"adapter-3-inch-spindle-to-4-inch-lathe-chuck-72mm-recess","title":"Adapter, 3\" Spindle to 4\" Lathe Chuck - 72MM Recess","description":"\u003cp\u003eThis adapter lets you mount 4\" 3- or 4-jaw lathe chucks on your mini lathe.\u003c\/p\u003e\u003cp\u003eUse this adapter with chucks that have a 72 mm registration recess diameter.\u003c\/p\u003e\u003cp\u003eThe adapter mounts to the 3-hole pattern on the spindle so it works on spindles with only three holes.\u003c\/p\u003e\u003cp\u003eThis adapter is cast iron and has a net thickness of 0.66\". The net thickness is the distance from the rim of the lathe spindle to the back of the chuck.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45472876724405,"sku":"1692","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1692.jpg?v=1751475575"},{"product_id":"chuck-adapter-1-inch-8-thread-4-inch-diameter","title":"Chuck Adapter, 1\"-8 Thread 4\" Diameter","description":"\u003cp\u003eSee LittleMachineShop.com PN 1916 for a 4\" diameter adapter pre-drilled for a 3-jaw chuck.\u003cbr\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003cbr\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472886489269,"sku":"1790","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1790.jpg?v=1751475666"},{"product_id":"chuck-adapter-1-inch-10-thread-4-diameter","title":"Chuck Adapter, 1\"-10 Thread 4\" Diameter","description":"\u003cp\u003eThis adapter is for a 4\" 3-Jaw chuck such as LittleMachineShop.com PN 1698.\u003cbr\u003eSee LittleMachineShop.com PN 1917 for a 4\" diameter adapter pre-drilled for a 3-jaw chuck.\u003cbr\u003e*NOTE* These 4\" chuck adapters require machining on the lathe on which they will be used.\u003cbr\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472886653109,"sku":"1791","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1791.jpg?v=1751475668"},{"product_id":"chuck-adapter-1-1-2-inch-8-thread-4-diameter","title":"Chuck Adapter, 1-1\/2\"-8 Thread 4\" Diameter","description":"\u003cp\u003eSee LittleMachineShop.com PN 1918 for a 4\" diameter adapter pre-drilled for a 3-jaw chuck.\u003c\/p\u003e\u003cp\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003c\/p\u003e\u003cp\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472886751413,"sku":"1792","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1792.jpg?v=1751475670"},{"product_id":"spacer-taig-chuck-adapter","title":"Spacer, Taig Chuck Adapter","description":"\u003cp\u003eThis washer allows the use of Sherline tools on Taig 3\/4\"-16 spindles.\u003c\/p\u003e","brand":"McMaster-Carr","offers":[{"title":"Default Title","offer_id":45472906739893,"sku":"1914","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1914.jpg?v=1751475818"},{"product_id":"chuck-adapter-1-8-thread-4-diameter-3-holes","title":"Chuck Adapter, 1\"-8 Thread 4\" Diameter, 3 Holes","description":"\u003cp\u003eThis adapter is for a 4\" 3-Jaw chuck such as LittleMachineShop.com PN 1698.\u003cbr\u003eNOTE: PN 1790 is the same adapter just without the 3 holes pre-drilled. \u003cbr\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003cbr\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472906936501,"sku":"1916","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1916.jpg?v=1751475821"},{"product_id":"chuck-adapter-1-10-thread-4-diameter-3-holes","title":"Chuck Adapter, 1\"-10 Thread 4\" Diameter, 3 Holes","description":"\u003cp\u003eThis adapter is for a 4\" 3-Jaw chuck such as LittleMachineShop.com PN 1698.\u003cbr\u003eNOTE: PN 1791 is the same adapter just without the 3 holes pre-drilled.\u003cbr\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003cbr\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472907034805,"sku":"1917","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1917.jpg?v=1751475823"},{"product_id":"chuck-adapter-1-1-2-8-thread-4-diameter-3-holes","title":"Chuck Adapter, 1-1\/2\"-8 Thread 4\" Diameter, 3 Holes","description":"\u003cp\u003eThis adapter is for a 4\" 3-Jaw chuck such as LittleMachineShop.com PN 1698.\u003c\/p\u003e\u003cp\u003eNOTE:  PN 1792 is the same adapter just without the 3 holes pre-drilled.\u003c\/p\u003e\u003cp\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003c\/p\u003e\u003cp\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472907165877,"sku":"1918","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1918.jpg?v=1751475825"},{"product_id":"chuck-adapter-1-1-2-8-thread-6-diameter","title":"Chuck Adapter, 1-1\/2\"-8 Thread 6\" Diameter","description":"\u003cp\u003e*NOTE* These 6\" chuck adapters require machining on the lathe on which they will be used.\u003c\/p\u003e\u003cp\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472907264181,"sku":"1919","price":86.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1919.jpg?v=1751475827"},{"product_id":"chuck-adapter-3-4-16-thread-3-diameter-6-holes","title":"Chuck Adapter, 3\/4\"-16 Thread 3\" Diameter, 6 Holes","description":"\u003cp\u003eWith this adapter you can mount LittleMachineShop.com PN 1187 3\" 3-Jaw chuck or PN 1175 3\" 4-Jaw chuck on a Sherline or Taig lathe.\u003cbr\u003eThe spacer washer included is used on Taig spindles, but not on Sherline spindles.\u003cbr\u003e*NOTE*  These adapters require machining on the lathe on which they will be used.\u003cbr\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472907362485,"sku":"1920","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1920.jpg?v=1751475829"},{"product_id":"chuck-adapter-m39-x-4-thread-4-diameter","title":"Chuck Adapter, M39 x 4 Thread 4\" Diameter","description":"\u003cp\u003eThis chuck adapter fits 9x20 lathes that have a M39x4 spindle nose thread.\u003cbr\u003eUse this adapter to mount 4\" chucks such as LittleMachineShop.com PN 1698 4\" 3-Jaw chuck or PN 1588 4\" 4-Jaw chuck. \u003cbr\u003eThere are no holes in this adapter so you can drill it for either a 3-jaw or 4-jaw chuck.\u003cbr\u003e*NOTE*  These adapters require machining on the lathe on which they will be used.\u003cbr\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472907460789,"sku":"1921","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1921.jpg?v=1751475831"},{"product_id":"chuck-adapter-m39-x-4-thread-6-diameter","title":"Chuck Adapter, M39 x 4 Thread 6\" Diameter","description":"\u003cp\u003eThis chuck adapter fits 9x20 lathes that have a M39x4 spindle nose thread.\u003cbr\u003eThere are no holes in this adapter so you can drill it for either a 3-jaw or 4-jaw chuck.\u003cbr\u003e*NOTE*  These adapters require machining on the lathe on which they will be used.\u003cbr\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472907624629,"sku":"1922","price":86.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1922.jpg?v=1751475832"},{"product_id":"chuck-adapter-2-1-4-8-thread-6-diameter","title":"Chuck Adapter, 2-1\/4\"-8 Thread 6\" Diameter","description":"\u003cp\u003eThere are no holes in this lathe chuck adapter so you can drill it for either a 3-jaw or 4-jaw chuck.\u003c\/p\u003e\u003cp\u003e*NOTE*  These adapters require machining on the lathe on which they will be used.\u003c\/p\u003e\u003cp\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472907788469,"sku":"1923","price":86.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/1923.jpg?v=1751475834"},{"product_id":"chuck-adapter-1-2-20-thread-3-diameter-3-holes","title":"Chuck Adapter, 1\/2\"-20 Thread 3\" Diameter, 3 Holes","description":"\u003cp\u003eThis adapter is for a 3\" 3-Jaw chuck such as LittleMachineShop.com PN 1187.\u003cbr\u003e*NOTE*  These adapters require machining on the lathe on which they will be used.\u003cbr\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472919814325,"sku":"2022","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2022.jpg?v=1751475936"},{"product_id":"chuck-adapter-1-8-thread-5-diameter","title":"Chuck Adapter, 1\"-8 Thread 5\" Diameter","description":"\u003cp\u003eCast iron lathe chuck adapter fits a lathe with a 1\"-8 spindle nose thread.  This adapter is 5\" (125 mm) in diameter and has no chuck mounting holes. Use it for all 5\" chucks.\u003c\/p\u003e\u003cp\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003c\/p\u003e\u003cp\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472973684917,"sku":"2331","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2331.jpg?v=1751482377"},{"product_id":"chuck-adapter-1-8-thread-6-diameter","title":"Chuck Adapter, 1\"-8 Thread 6\" Diameter","description":"\u003cp\u003eCast iron lathe chuck adapter fits a lathe with a 1\"-8 spindle nose thread.  This adapter is 6\" (160 mm) in diameter and has no chuck mounting holes. Use it for all 6\" chucks.\u003cbr\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003cbr\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472973815989,"sku":"2332","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2332.jpg?v=1751482379"},{"product_id":"chuck-adapter-1-10-thread-5-diameter","title":"Chuck Adapter, 1\"-10 Thread 5\" Diameter","description":"\u003cp\u003eCast iron lathe chuck adapter fits a lathe with a 1\"-10 spindle nose thread. This adapter is 5\" (125 mm) in diameter and has no chuck mounting holes. Use it for all 5\" chucks.\u003c\/p\u003e\u003cp\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003c\/p\u003e\u003cp\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472973881525,"sku":"2333","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2333.jpg?v=1751482380"},{"product_id":"chuck-adapter-1-10-thread-6-diameter","title":"Chuck Adapter, 1\"-10 Thread 6\" Diameter","description":"\u003cp\u003e*NOTE*  These adapters require machining on the lathe on which they will be used.\u003c\/p\u003e\u003cp\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e\u003cp\u003eUse it for all 6\" chucks.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472973979829,"sku":"2334","price":86.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2334.jpg?v=1751482382"},{"product_id":"chuck-adapter-unthreaded-4-diameter","title":"Chuck Adapter, Unthreaded 4\" Diameter","description":"\u003cp\u003eCast iron lathe chuck adapter can be threaded to fit any spindle nose thread. It has a 3\/8\" smooth pilot hole.  This adapter is 4\" (100 mm) in diameter and has no chuck mounting holes. Use it for all 3\" and 4\" chucks.\u003c\/p\u003e\u003cp\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003c\/p\u003e\u003cp\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472974405813,"sku":"2335","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2335.jpg?v=1751482384"},{"product_id":"chuck-adapter-unthreaded-6-diameter","title":"Chuck Adapter, Unthreaded 6\" Diameter","description":"\u003cp\u003eCast iron lathe chuck adapter has a 75 mm diameter hub and can be threaded to fit any spindle nose thread up to 2.5\". It has a 3\/8\" smooth pilot hole.\u003c\/p\u003e\u003cp\u003eThis adapter can be used for most 6\", 5\" or 4\" lathe chuck.\u003c\/p\u003e\u003cp\u003eThis adapter is 6\" (160 mm) in diameter and has no chuck mounting holes. Use it for all 5\" and 6\" chucks.\u003c\/p\u003e\u003cp\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003c\/p\u003e\u003cp\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45472974569653,"sku":"2336","price":86.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2336.jpg?v=1751482386"},{"product_id":"adapter-3-inch-spindle-to-5-inch-lathe-chuck-95mm-registration","title":"Adapter, 3\" Spindle to 5\" Lathe Chuck - 95MM Registration","description":"\u003cp\u003e5\" Lathe chuck adapter.\u003c\/p\u003e\u003cp\u003eThis adapter lets you mount a 5\" lathe chuck on your mini lathe in place of a 3\" (80 mm) chuck.\u003c\/p\u003e\u003cp\u003eThe adapter mounts to the 3-hole pattern on the spindle so it works on spindles with only three holes.\u003c\/p\u003e\u003cp\u003eThis adapter has a 95 mm diameter registration boss and is drilled for both 3- and 4-jaw chucks on a 108 mm bolt circle.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45472975749301,"sku":"2347","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2347.jpg?v=1751482403"},{"product_id":"adapter-3-inch-spindle-to-5-inch-lathe-chuck-92mm-registration","title":"Adapter, 3\" Spindle to 5\" Lathe Chuck - 92MM Registration","description":"\u003cp\u003eThis adapter lets you mount 5\" 3-jaw lathe chucks on your mini lathe in place of a 3\" (80 mm) chuck.\u003c\/p\u003e\u003cp\u003eThe adapter mounts to the 3-hole pattern on the spindle so it works on spindles with only three holes.\u003c\/p\u003e\u003cp\u003eThis adapter has a 92 mm diameter registration boss, and has 3 chuck mounting holes.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45472976109749,"sku":"2358","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2358.jpg?v=1751482410"},{"product_id":"adapter-3-inch-spindle-to-4-inch-lathe-chuck-70mm-recess","title":"Adapter, 3\" Spindle to 4\" Lathe Chuck - 70MM Recess","description":"\u003cp\u003eThis adapter lets you mount a 4\" 3-jaw lathe chuck on your mini lathe.\u003c\/p\u003e\u003cp\u003eUse this adapter with chucks that have a 70 mm registration recess diameter such as Bison 4\" 3-Jaw chucks.\u003c\/p\u003e\u003cp\u003eThe adapter mounts to the 3-hole pattern on the spindle so it works on spindles with only three holes.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45472980697269,"sku":"2426","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2426.jpg?v=1751482464"},{"product_id":"adapter-4-inch-spindle-to-5-inch-lathe-chuck","title":"Adapter, 4\" Spindle to 5\" Lathe Chuck","description":"\u003cp\u003eThis adapter mounts a 5\" 3- or 4-jaw lathe chuck with a 95 mm registration recess on a flange for a 4\" chuck with a 72 mm registration boss. It works on 8x12 and 8x14 lathes as well as the Harbor Freight 5980 multipurpose machine. It also fits the SIEG C4 lathe.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45473014218933,"sku":"2961","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/2961.jpg?v=1751482845"},{"product_id":"adapter-5-inch-lathe-chuck-for-prazi","title":"Adapter, 5\" Lathe Chuck for Prazi","description":"\u003cp\u003eFlange to mount 125 mm chuck on 100 mm flange on Prazi lathes.\u003c\/p\u003e\u003cp\u003eWorks with Prazi 2400DLX and Wabeco 2400 lathes.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45473023983797,"sku":"3151","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/3151.jpg?v=1751482990"},{"product_id":"backplate-lathe-chuck-adapter-4-to-3","title":"Backplate Lathe Chuck Adapter, 4\" to 3\"","description":"\u003cp\u003eThis is a semi-machined adapter plate. The side that attaches to the lathe flange is fully machined. The side on which the lathe chuck mounts is not finished.\u003c\/p\u003e\u003cp\u003eMount the backplate adapter on your lathe and complete machining of the chuck-mounting side. This ensures two things; that it will fit your chuck, and that it is concentric on your lathe.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45473143947445,"sku":"4769","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/4769.jpg?v=1751484219"},{"product_id":"backplate-lathe-chuck-adapter-5-to-3","title":"Backplate Lathe Chuck Adapter, 5\" to 3\"","description":"\u003cp\u003eThis is a semi-machined adapter plate. The side that attaches to the lathe flange is fully machined. The side on which the lathe chuck mounts is not finished. \u003cbr\u003eMount the backplate adapter on your lathe and complete machining of the chuck-mounting side. This ensures two things; that it will fit your chuck, and that it is concentric on your lathe.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45473144209589,"sku":"4770","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/4770.jpg?v=1773866083"},{"product_id":"backplate-lathe-chuck-adapter-5-to-4","title":"Backplate Lathe Chuck Adapter, 5\" to 4\"","description":"\u003cp\u003eThis is a semi-machined adapter plate. The side that attaches to the lathe flange is fully machined. The side on which the lathe chuck mounts is not finished.\u003c\/p\u003e\u003cp\u003eMount the backplate adapter on your lathe and complete machining of the chuck-mounting side. This ensures two things; that it will fit your chuck, and that it is concentric on your lathe.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45473144438965,"sku":"4771","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/4771.jpg?v=1751484222"},{"product_id":"backplate-lathe-chuck-adapter-6-to-4","title":"Backplate Lathe Chuck Adapter, 6\" to 4\"","description":"\u003cp\u003eThis is a semi-machined adapter plate. The side that attaches to the lathe flange is fully machined. The side on which the lathe chuck mounts is not finished. \u003cbr\u003eMount the backplate adapter on your lathe and complete machining of the chuck-mounting side. This ensures two things; that it will fit your chuck, and that it is concentric on your lathe.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45473144504501,"sku":"4772","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/4772.jpg?v=1751484224"},{"product_id":"adapter-6-inch-lathe-chuck","title":"Adapter, 6\" Lathe Chuck","description":"\u003cp\u003eThis adapter mounts a 6\" 3-jaw lathe chuck with a 130 mm registration recess on a flange for a 4\" chuck with a 72 mm registration boss. It works on 8x12 and 8x14 lathes as well as the Harbor Freight 5980 multipurpose machine. It also fits the SIEG C4 and SC4 lathes.\u003c\/p\u003e\u003cp\u003e*NOTE* If using with any of our 6\" 4-jaw chucks (2038, 6547) additional mounting holes will need to be drilled. Use M8 transfer screws to mark holes for the 2038 chuck.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":45473164230837,"sku":"4912","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/4912.jpg?v=1751484349"},{"product_id":"revolving-tailstock-chuck-adapter-3-chuck-2mt","title":"Revolving Tailstock Chuck Adapter, 3\" Chuck, 2MT","description":"\u003cp\u003eUse this in conjunction with a 3\" 3-jaw chuck in place of a live center. No more center drilling. This works great for long, large diameter work pieces where a live center or steady rest just won't cut it.  Three ball bearings for heavy duty loads and relatively high speed.\u003cbr\u003e*NOTE* Chuck is not included, but it works great with our 1187 lathe chuck.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45473173504181,"sku":"4968","price":259.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/4968.jpg?v=1751484423"},{"product_id":"chuck-adapter-1-3-4-8-thread-6-diameter","title":"Chuck Adapter, 1-3\/4\"-8 Thread 6\" Diameter","description":"\u003cp\u003e*NOTE* These adapters require machining on the lathe on which they will be used.\u003c\/p\u003e\u003cp\u003eInstructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/p\u003e\u003cp\u003eThis adapter fits the Grizzly G0602 lathe.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45473193394357,"sku":"5126","price":76.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/5126.jpg?v=1751484573"},{"product_id":"revolving-tailstock-chuck-adapter-4-chuck-3mt","title":"Revolving Tailstock Chuck Adapter, 4\" Chuck, 3MT","description":"\u003cp\u003eUse this in conjunction with a 4\" 3-jaw chuck in place of a live center. No more center drilling. This works great for long, large diameter work pieces where a live center or steady rest just won't cut it.  Three ball bearings for heavy duty loads and relatively high speed.\u003c\/p\u003e","brand":"ABS Import Tools Inc.","offers":[{"title":"Default Title","offer_id":45473287307445,"sku":"5965","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/4969.jpg?v=1751485634"},{"product_id":"adapter-5-lathe-chuck-hitorque-9x20-bench-lathe","title":"Adapter, 5\" Lathe Chuck, HiTorque 9x20 Bench Lathe","description":"\u003cp\u003eAdapter plate that comes on the HiTorque 9x20 bench lathes (SIEG SC50).\u003c\/p\u003e\n\u003cp\u003eAlso includes (3) Studs for 9x 20 chuck adapter (6739) required for mounting on to lathe spindle flange.\u003c\/p\u003e","brand":"LittleMachineShop.com","offers":[{"title":"Default Title","offer_id":52197645582517,"sku":"6834","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/6741.jpg?v=1763662977"},{"product_id":"adapter-6-lathe-chuck-9x20-hitorque-bench-lathe","title":"Adapter, 6\" Lathe Chuck, 9x20 HiTorque Bench Lathe","description":"\u003cp\u003eThis adapter mounts to a 6\" 3-jaw or 4-jaw lathe chucks with a 3-bolt pattern or 4-bolt pattern and 142mm bolt circle. The adapter has no spindle side registration recess and is designed specifically for the HiTorque 9x20 lathe spindle. It has a 52mm center hole.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlso includes (3) Studs for 9x 20 chuck adapter (6739) required for mounting on to lathe spindle flange.\u003c\/span\u003e\u003c\/p\u003e","brand":"LittleMachineShop.com","offers":[{"title":"Default Title","offer_id":52197653872821,"sku":"6833","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/6727.jpg?v=1751487153"},{"product_id":"adapter-6-lathe-chuck-9x20-hitorque-bench-lathe-component","title":"Adapter, 6\" Lathe Chuck, 9x20 HiTorque Bench Lathe","description":"\u003cp\u003eThis adapter mounts to a 6\" 3-jaw or 4-jaw lathe chucks with a 3-bolt pattern or 4-bolt pattern and 142mm bolt circle. The adapter has no spindle side registration recess and is designed specifically for the HiTorque 9x20 lathe spindle. It has a 52mm center hole.\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":52197712920757,"sku":"6727","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/6727.jpg?v=1751487153"},{"product_id":"adapter-5-lathe-chuck-hitorque-9x20-bench-lathe-1","title":"Adapter, 5\" Lathe Chuck, HiTorque 9x20 Bench Lathe","description":"\u003cp\u003eAdapter plate that comes on the HiTorque 9x20 bench lathes (SIEG SC50).\u003c\/p\u003e","brand":"Sieg Industrial Group","offers":[{"title":"Default Title","offer_id":52197716295861,"sku":"6741","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/6741.jpg?v=1763662977"}],"url":"https:\/\/littlemachineshop.com\/collections\/chuck-adapters.oembed?page=2","provider":"LittleMachineShop.com","version":"1.0","type":"link"}