{"title":"Threaded Chuck Adapters","description":"\u003cp\u003eWhen buying a threaded adapter, measure the threads on your spindle or find the spindle specifications in the documentation for your lathe. Here is a \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/files\/paperthreadgage.pdf\" rel=\"noopener\" target=\"_blank\"\u003ePaper Thread Gage\u003c\/a\u003e to help measure.\u003c\/p\u003e\n\u003cp\u003eTo help you get the right threaded backplate lathe chuck adapter, we have a chart that provides the \u003ca href=\"https:\/\/littlemachineshop.com\/pages\/lathe-chuck-threaded-adapter-dimensions\" rel=\"noopener\" target=\"_blank\"\u003edimensions of threaded lathe chuck adapters\u003c\/a\u003e that we sell.\u003c\/p\u003e\n\u003cp\u003eWe also have a chart that correlates \u003ca href=\"https:\/\/littlemachineshop.com\/pages\/lathe-chuck-backplate-adapters\" rel=\"noopener\" target=\"_blank\"\u003elathe spindle threads to lathe chuck adapters\u003c\/a\u003e for many popular lathes that have threaded spindles.\u003c\/p\u003e","products":[{"product_id":"chuck-adapter-1-inch-8-thread-4-inch-diameter","title":"Chuck Adapter, 1\"-8 Thread 4\" Diameter","description":"\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eS\u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eee LittleMachineShop.com PN 1916 for a 4\" diameter adapter pre-drilled for a 3-jaw chuck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\u003c\/span\u003e\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. See LittleMachineShop.com PN 1917 for a 4\" diameter adapter pre-drilled for a 3-jaw chuck.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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":"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. NOTE: PN 1790 is the same adapter just without the 3 holes pre-drilled.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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. NOTE: PN 1791 is the same adapter just without the 3 holes pre-drilled.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\n\u003cp\u003eNOTE: PN 1792 is the same adapter just without the 3 holes pre-drilled.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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. Use this adapter to mount 4\" chucks such as LittleMachineShop.com PN 1698 4\" 3-Jaw chuck or PN 1588 4\" 4-Jaw chuck. There are no holes in this adapter so you can drill it for either a 3-jaw or 4-jaw chuck.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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. There are no holes in this adapter so you can drill it for either a 3-jaw or 4-jaw chuck.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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":false}],"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\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\u003eUse it for all 6\" chucks.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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\n\u003cp\u003eThis adapter can be used for most 6\", 5\" or 4\" lathe chuck.\u003c\/p\u003e\n\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\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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":"chuck-adapter-1-3-4-8-thread-6-diameter","title":"Chuck Adapter, 1-3\/4\"-8 Thread 6\" Diameter","description":"\u003cp\u003eThis adapter fits the Grizzly G0602 lathe.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* These adapters require machining on the lathe on which they will be used. Instructions are included for final turning of the registration diameter on your lathe to ensure perfect concentricity.\u003c\/em\u003e\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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3157\/2405\/collections\/1917.jpg?v=1778087218","url":"https:\/\/littlemachineshop.com\/collections\/chuck-adapters-copy.oembed","provider":"LittleMachineShop.com","version":"1.0","type":"link"}