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
Part Number: 1187
Weight: 4.16 lb
Weight: 4.16 lb
$104.95
On Sale
Regularly $109.95
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This 3 inch 3-Jaw self-centering lathe chuck is the one that comes on the mini lathe. It includes a chuck key and inside and outside jaws.
This three jaw chuck has a 0.63" (16 mm) through hole. It holds work up to 2.48" (63 mm) in diameter.
The radial runout of a test bar held in this chuck, when the chuck is mounted true, is 0.003" maximum.
Chris' TipsThis chuck will fit many other lathes when mounted on a backplate chuck adapter. See the list of adapters below.
Here is a chart that provides lathe chuck capacities and mounting dimensions.
| Rated Capacity, Inside Jaws | 0.08" - 0.87" (2.0 mm - 22.0 mm) |
| Rated Capacity, Outside Jaws | 0.87" - 2.48" (22.0 mm - 63.0 mm) |
| Practical Maximum Capacity, Inside Jaws | 1.15" (29.2 mm) |
| Practical Maximum Capacity, Outside Jaws | 2.75" (69.8 mm) |
| Jaw Height Above Face | 0.67" (17.0 mm) |
| Registration Recess Diameter | 2.17" (55.0 mm) |
| Registration Recess Depth | 0.14" (3.5 mm) |
| Bolt Circle Diameter | 2.60" (66.0 mm) |
| Center Hole Diameter | 0.63" (16.0 mm) |
| Diameter, Overall | 3.15" (80.0 mm) |
| Height | 1.97" (50.0 mm) |
| Number and Size of Bolts | 3 M6 |
Compatibility
This product works with these LittleMachineShop.com products:
- 1888 Adapter, 3" Lathe Chuck, Rotary Table
- 1791 Chuck Adapter, 1"-10 Thread 4" Diameter
- 1917 Chuck Adapter, 1"-10 Thread 4" Diameter, 3 Holes
- 1790 Chuck Adapter, 1"-8 Thread 4" Diameter
- 1916 Chuck Adapter, 1"-8 Thread 4" Diameter, 3 Holes
- 1792 Chuck Adapter, 1-1/2"-8 Thread 4" Diameter
- 1918 Chuck Adapter, 1-1/2"-8 Thread 4" Diameter, 3 Holes
- 2022 Chuck Adapter, 1/2"-20 Thread 3" Diameter, 3 Holes
- 1920 Chuck Adapter, 3/4"-16 Thread 3" Diameter, 6 Holes
- 1921 Chuck Adapter, M39 x 4 Thread 4" Diameter
- 2335 Chuck Adapter, Unthreaded 4" Diameter
- 1222 Studs & Nuts, M6
This product works with lathes with a 80 mm flange chuck mount and a 3.5 to 8 inch swing including:
- Grizzly M1015 Shop Fox 6x10 Micro Lathe
- Micro-Mark 85181 MicroLux 6x10 Micro Lathe
- SIEG C1 6x10 Micro Lathe
- Woodstock International M1015 Shop Fox 6x10 Micro Lathe
- Enco 110-0803 Enco 7x10 Mini Lathe
- Harbor Freight 93212 Central Machinery 7x10 Mini Lathe
- Harbor Freight 33684 Central Machinery 7x10 Mini Lathe
- MSC 0192857 Enco 7x10 Mini Lathe
- Bolton CQ9318 7x12 Mini Lathe
- Busy Bee Tools CX704 Craftex 7x12 Mini Lathe
- Cummins (Tools Now) 5278 7x12 Mini Lathe
- Eastwood 32497 7x12 Mini Lathe
- Grizzly G8688 7x12 Mini Metal Lathe
- Harbor Freight 93799 Central Machinery 7x12 Mini Lathe
- Homier 03911 Speedway 7x12 Mini Bench Metal Lathe
- Northern Tool 49656 KLUTCH 7x12 Mini Lathe
- Princess Auto 8507659 Powerfist 7x12 Mini Lathe
- SIEG C2 7x12 Mini Lathe
- Tormach 30689 7x12 Duality Lathe
- Travers Tools OT222300 OTMT 7x12 Mini Lathe
- Warco 3004 7x12 Mini Lathe (Metric)
- Warco 3005 7x12 Mini Lathe (Imperial)
- WEN 3455 WEN 7x12 Mini Lathe
- Micro-Mark 82500 MicroLux 7x12 Mini Lathe
- LittleMachineShop.com 4100 HiTorque 7x12 Mini Lathe
- LittleMachineShop.com 4200 HiTorque 7x12 Deluxe Mini Lathe
- SIEG SC2 7x12 Mini Lathe
- Micro-Mark 82710 MicroLux 7x14 Mini Lathe
- LittleMachineShop.com 4959 SIEG 7x14 Mini Lathe
- SIEG C3 7x14 Mini Lathe
- Warco 4820-350 7x14 Mini Lathe (Metric)
- Warco 4800-350 7x14 Mini Lathe (Imperial)
- Grizzly G0765 7x14 Mini Lathe
- Micro-Mark 84631 MicroLux 7x16 Mini Lathe
In your instruction manual, this part appears on the parts list as:
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