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parts, and accessories for bench top machinists.
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Lathe Chucks and Adapters

Lathe Chucks and Adapters - LittleMachineShop.com

LittleMachineShop.com carries a complete line of 3-jaw lathe chucks, 4-jaw lathe chucks, and lathe chuck backplate adapters for small lathes. Increase the capacity of your mini lathe by replacing the standard 3" lathe chuck with a 4" lathe chuck and adapter. With a lathe chuck adapter, a larger lathe chuck becomes a bolt-on accessory.

Adapter, 3" Lathe Chuck
  • For rotary tables with 20 mm registration hole in center
$28.95
Adapter, 3" Lathe Chuck
  • For rotary tables with 24 mm registration hole in center
  • This adapter is included with the 1810 rotary table and 2183 rotary table package
$29.95
Adapter, 4" Lathe Chuck This adapter lets you mount 4" 3- or 4-jaw lathe chucks on your mini lathe. Use this adapter with chucks that have a 72 mm registration recess diameter. The adapter mounts to the 3-hole pattern on the spindle so it works on spindles with only three holes. This 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.
$19.95
Adapter, 4" Lathe Chuck on 4" Rotary Table
  • Mounts a 4" 3- or 4-jaw chuck on 1810 Rotary Table
  • Maximum diameter matches chuck diameter
$83.95
Adapter, 4" Lathe Chuck, 3-Jaw This adapter lets you mount a 4" 3-jaw lathe chuck on your mini lathe. Use this adapter with chucks that have a 70 mm registration recess diameter. The adapter mounts to the 3-hole pattern on the spindle so it works on spindles with only three holes.
$19.95
Adapter, 5" Lathe Chuck This adapter lets you mount 5" 3-jaw lathe chucks on your mini lathe in place of a 3" (80 mm) chuck. The adapter mounts to the 3-hole pattern on the spindle so it works on spindles with only three holes. This adapter has a 92 mm diameter registration boss, and has 3 chuck mounting holes.
$28.95
Adapter, 5" Lathe Chuck 5" Lathe chuck adapter. This adapter lets you mount a 5" 3-jaw lathe chuck on LittleMachineShop.com PN 1787 6" rotary table. There is an alignment boss that projects into the tapered hole for quick alignment. It is clamped to the rotary table with T-slot nuts that are not included. This is Phase II part number 221-356
$89.00
Adapter, 5" Lathe Chuck This 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.
$28.95
Adapter, 5" Lathe Chuck 5" Lathe chuck adapter. This adapter lets you mount a 5" lathe chuck on your mini lathe in place of a 3" (80 mm) chuck. The adapter mounts to the 3-hole pattern on the spindle so it works on spindles with only three holes. This adapter has a 95 mm diameter registration boss and is drilled for both 3- and 4-jaw chucks on a 108 mm bolt circle.
$28.95
Adapter, 5" Lathe Chuck 5" Lathe chuck adapter. This adapter has a 95 mm diameter registration boss, and has 6 chuck mounting holes. The adapter is 6" in diameter. This adapter lets you mount a 5" 3- or 4-jaw lathe chuck on LittleMachineShop.com PN 2326 6" rotary table. It can be used on other 6" rotary tables with some modifications. There is an alignment boss that projects into the tapered hole for quick alignment. It is clamped to the rotary table with T-slot nuts that are not included. The locating boss on this adapter fits a 30 mm hole, so if the hole in your rotary table is 30 mm or larger this adapter will work without modification. If the hole is smaller, you will need to turn down or remove the locating boss.
$34.95
Adapter, 5" Lathe Chuck for Prazi Flange to mount 125 mm chuck on 100 mm flange on Prazi lathes.
$28.95
Adapter, 5" Lathe Chuck to C8 Spindle
  • Fits 5" lathe chucks with a 95 mm registration recess
$34.95
Adapter, 6" Lathe Chuck
  • Fits 6" 4-jaw lathe chucks with a 65 mm registration recess
  • DO NOT BUY THIS FOR LMS CHUCKS 2038 and 2028
$34.95
Adapter, 6" Lathe Chuck
  • Fits 6" lathe chucks with a 130 mm registration recess
$34.95
Backplate Lathe Chuck Adapter 3" to 3"
  • Fits a 3" chuck on a 3" flange
$19.95
Backplate Lathe Chuck Adapter, 4" to 3"
  • Fits a 4" chuck on a 3" flange
$24.95
Backplate Lathe Chuck Adapter, 5" to 3"
  • Fits a 5" chuck on a 3" flange
$29.95
Backplate Lathe Chuck Adapter, 5" to 4"
  • Fits a 5" chuck on a 4" flange
$32.95
Backplate Lathe Chuck Adapter, 6" to 4"
  • Fits a 6" chuck on a 4" flange
$39.95
Chuck Adapter, 1"-10 Thread 4" Diameter
  • Cast iron lathe chuck backplate adapter fits lathes with 1"-10 spindle nose thread
  • Adapter is 4" (100 mm) in diameter and has no chuck mounting holes
  • For all 3" chucks and 4" 4-jaw chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$23.95
Chuck Adapter, 1"-10 Thread 4" Diameter, 3 Holes
  • Cast iron lathe chuck backplate adapter fits lathes with 1"-10 spindle nose thread
  • Adapter is 4" (100 mm) in diameter and has three chuck mounting holes for a 3-jaw chuck
  • For 4" 3-jaw chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$23.95
Chuck Adapter, 1"-10 Thread 5" Diameter Cast 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. *NOTE*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 insure perfect concentricity.
$32.95
Chuck Adapter, 1"-10 Thread 6" Diameter
  • Cast iron lathe chuck backplate adapter fits lathes with 1"-10 spindle nose thread
  • Adapter is 6" (160 mm) in diameter and has no chuck mounting holes
  • Use it for all 6" chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity.
$39.95
Chuck Adapter, 1"-8 Thread 4" Diameter
  • Cast iron lathe chuck backplate adapter fits lathes with 1"-8 spindle nose thread
  • Adapter is 4" (100 mm) in diameter and has no chuck mounting holes
  • For all 3" chucks and 4" 4-jaw chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$23.95
Chuck Adapter, 1"-8 Thread 4" Diameter, 3 Holes
  • Cast iron lathe chuck backplate adapter fits lathes with 1"-8 spindle nose thread
  • Adapter is 4" (100 mm) in diameter and has three chuck mounting holes for a 3-jaw chuck
  • For 4" 3-jaw chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$23.95
Chuck Adapter, 1"-8 Thread 5" Diameter Cast 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. *NOTE* 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 insure perfect concentricity.
$32.95
Chuck Adapter, 1"-8 Thread 6" Diameter Cast iron lathe chuck adapter fits a lathe with a 1"-8 spindle nose thread. This adapter is 6" (125 mm) in diameter and has no chuck mounting holes. Use it for all 6" chucks. *NOTE* 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 insure perfect concentricity.
$39.95
Chuck Adapter, 1-1/2"-8 Thread 4" Diameter
  • Cast iron lathe chuck backplate adapter fits lathes with 1-1/2"-8 spindle nose thread
  • Adapter is 4" (100 mm) in diameter and has no chuck mounting holes
  • For all 3" chucks and 4" 4-jaw chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$23.95
Chuck Adapter, 1-1/2"-8 Thread 4" Diameter, 3 Holes
  • Cast iron lathe chuck backplate adapter fits lathes with 1-1/2"-8 spindle nose thread
  • Adapter is 4" (100 mm) in diameter and has three chuck mounting holes for a 3-jaw chuck
  • For 4" 3-jaw chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$23.95
Chuck Adapter, 1-1/2"-8 Thread 6" Diameter
  • Cast iron lathe chuck backplate adapter fits lathes with 1-1/2"-8 spindle nose thread
  • Adapter is 6" (160 mm) in diameter and has no chuck mounting holes
  • Adapter can be used for any 6", 5" or 4" lathe chuck
  • Includes instructions for final turning of the registration diameter to insure concentricity.
$39.95
Chuck Adapter, 1-3/4"-8 Thread 6" Diameter
  • Cast iron lathe chuck backplate adapter fits lathes with 1-3/4"-8 spindle nose thread
  • Adapter is 6" (160 mm) in diameter and has no chuck mounting holes
  • Adapter can be used for any 6", 5" or 4" lathe chuck
  • Includes instructions for final turning of the registration diameter to insure concentricity.
$39.95
Chuck Adapter, 1/2"-20 Thread 3" Diameter, 3 Holes
  • Cast iron lathe chuck backplate adapter fits lathes with 1/2"-20 spindle nose thread
  • Adapter is 3" (80 mm) in diameter and has three chuck mounting holes for a 3-jaw chuck
  • For 3" 3-jaw chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$21.95
Chuck Adapter, 2-1/4"-8 Thread 6" Diameter
  • Cast iron lathe chuck backplate adapter fits lathes with 2-1/4"-8 spindle nose thread
  • Adapter is 6" (160 mm) in diameter and has no chuck mounting holes
  • For all 5" and 6" chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$39.95
Chuck Adapter, 3/4"-16 Thread 3" Diameter, 6 Holes
  • Cast iron lathe chuck backplate adapter fits lathes with 3/4"-16 spindle nose thread
  • Adapts 3" (80 mm) plain back chucks to Sherline and Taig spindles
  • Six mounting holes allow mounting 3-jaw or 4-jaw chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$23.95
Chuck Adapter, M39 x 4 Thread 4" Diameter
  • Cast iron lathe chuck backplate adapter fits lathes with M39 x 4 spindle nose thread
  • Adapter is 4" (100 mm) in diameter and has no chuck mounting holes
  • For all 3" chucks and 4" chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$23.95
Chuck Adapter, M39 x 4 Thread 6" Diameter
  • Cast iron lathe chuck backplate adapter fits lathes with M39 x 4 spindle nose thread
  • Adapter is 6" (160 mm) in diameter and has no chuck mounting holes
  • For all 5" and 6" chucks
  • Includes instructions for final turning of the registration diameter to insure concentricity
$39.95
Chuck Adapter, Unthreaded 4" Diameter Cast 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. *NOTE*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 insure perfect concentricity.
$23.95
Chuck Adapter, Unthreaded 6" Diameter Cast 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. This adapter can be used for most 6", 5" or 4" lathe chuck. This adapter is 6" (160 mm) in diameter and has no chuck mounting holes. Use it for all 5" and 6" chucks. *NOTE*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 insure perfect concentricity.
$39.95
Lathe Chuck, 3-Jaw 3"
  • Self-centering 3-Jaw lathe chuck.
  • 3" (80 mm) diameter
  • Includes chuck key, inside and outside jaws
  • Plain back mounting
  • High quality steel, hardened and ground
$84.95
Lathe Chuck, 3-Jaw 4"
  • 3-jaw self centering lathe chuck
  • 4" (100 mm) diameter
  • Includes chuck key, inside and outside jaws
  • Plain back mounting
  • High quality steel, hardened and ground
$99.95
Lathe Chuck, 3-Jaw 4" with Adapter
  • 3-jaw self-centering lathe chuck
  • 4" (100 mm) diameter
  • Includes chuck key, inside and outside jaws and mounting bolts
  • Includes an adapter to mount on a 3" (80 mm) flange
  • High quality steel, hardened and ground
$109.95
Lathe Chuck, 3-Jaw 5"
  • 3-Jaw Lathe Chuck
  • 5" (125 mm) diameter
  • Includes chuck key, inside and outside jaws
  • Plain back mounting
  • High quality steel, hardened and ground
$99.95 On Sale

Regularly $109.95

Lathe Chuck, 3-Jaw 5" with Adapter
  • 3-jaw self-centering lathe chuck
  • 5" (125 mm) diameter
  • Includes chuck key, inside and outside jaws and mounting bolts
  • Includes an adapter to mount on a 3" (80 mm) flange
  • High quality steel, hardened and ground
$129.95
Lathe Chuck, 3-Jaw 6"
  • 3-jaw self centering lathe chuck
  • 6" (160 mm) diameter
  • Includes chuck key, inside and outside jaws
  • Plain back mounting
  • High quality steel, hardened and ground
$149.95
Lathe Chuck, 3-Jaw 6" for C8
  • 3-jaw lathe chuck
  • 6" (160 mm) diameter
  • Includes chuck key, inside/ outside jaws
  • Specific flange backplate for mounting on C8 lathe
$199.95
Lathe Chuck, 3-Jaw 6" Front Mount Reversible Jaws
  • 3-jaw self centering lathe chuck
  • 6" (160 mm) diameter
  • Includes chuck key and reversible top jaws
  • Plain back mounting with bolts thru from the front
  • High quality steel, hardened and ground
$209.95
Lathe Chuck, 4-Jaw 3"
  • 4-Jaw Lathe Chuck
  • 3" (80 mm) diameter
  • Each jaw is independently adjustable and reversible
  • Plain back mounting
  • High quality steel, hardened and ground
$84.95
Lathe Chuck, 4-Jaw 3" Self-Centering
  • 4-jaw self-centering lathe chuck
  • 3" (80 mm) diameter
  • Includes chuck key, inside and outside jaws
  • Plain back mounting
  • High grade tool steel
$122.95
Lathe Chuck, 4-Jaw 4"
  • 4-Jaw Lathe Chuck
  • 4" (100 mm) diameter
  • Each jaw is independently adjustable and reversible
  • Plain back mounting
  • High quality steel, hardened and ground
$94.95
Lathe Chuck, 4-Jaw 4" Self-Centering
  • 4-jaw self-centering lathe chuck
  • 4" (100 mm) diameter
  • Plain back mounting
  • Includes chuck key, inside and outside jaws
  • High grade tool steel
$134.95
Lathe Chuck, 4-Jaw 4" with Adapter
  • 4-jaw lathe chuck
  • 4" (100 mm) diameter
  • Each jaw is independently adjustable and reversible
  • Includes an adapter to mount on a 3" (80 mm) flange
  • High quality steel, hardened and ground
$99.95 On Sale

Regularly $106.95

Lathe Chuck, 4-Jaw 5"
  • 4-Jaw Lathe Chuck
  • 5" (125 mm) diameter
  • Each jaw is independently adjustable and reversible
  • Plain back mounting
  • High quality steel, hardened and ground
$109.95
Lathe Chuck, 4-Jaw 5" for C8
  • 4-jaw independent lathe chuck
  • 5" (130 mm) diameter
  • Includes chuck key, inside/ outside jaws
  • Specific flange backplate for mounting on C8 lathes
$114.95 On Sale

Regularly $139.95

Lathe Chuck, 4-Jaw 5" with Adapter
  • 4-Jaw Lathe Chuck for Sale
  • 5" (125 mm) diameter
  • Each jaw is independently adjustable and reversible
  • Includes an adapter to mount on a 3" (80 mm) flange
  • Plain back mounting
$119.95
Lathe Chuck, 4-Jaw 6"
  • 4-jaw lathe chuck
  • 6" (160 mm) diameter
  • Each jaw is independently adjustable and reversible
  • Plain back mounting
  • High quality steel, hardened and ground
$139.95
Lathe Chuck, 4-Jaw 6" for C8
  • 4-jaw independent lathe chuck
  • 6" (160 mm) diameter
  • Includes chuck key and reversible jaws
  • Specific flange backplate for mounting on C8 lathe
$169.95 On Sale

Regularly $224.95

Lathe Chuck, 6-Jaw 4"
  • 6-jaw self centering lathe chuck
  • 4" (100 mm) diameter
  • Includes chuck key and mounting bolts
  • Plain back mounting
  • Excellent for holding thin walled workpieces
$174.95
Spacer, Taig Chuck Adapter This washer allows the use of Sherline tools on Taig 3/4"-16 spindles.
$1.95
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