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Back to 3-Jaw Self Centering Chucks
3.1″ 3-Jaw Wood Lathe Chuck
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Product Description
This chuck is identical to our # 1040 self-centering chuck except that it has a 1″-8 TPI thread that accommodates most wood-working lathes. Because this chuck was initially designed for machine-lathe work, its accuracy far exceeds what is necessary for general wood turning. It has a clamping range of 3/32″ (2 mm) up to 1-3/16″ (30 mm) diameter with the jaws in the normal position. With the jaws in the reversed position, work up to 2-1/4″ (56 mm) can be gripped. The hole through the chuck is .687″ (17 mm). Rotating the knurled ring closes all three jaws simultaneously to quickly grip round or hexagonal stock. Tommy bars (provided) are used in the holes in the side to tighten and loosen the chuck for more leverage.
Jaw Options
- For those who have jobs where speed and ease of use are more important than maximum accuracy and want a chuck that is loose right from the start (No extra charge).
Add the note “loose jaws” to the comments box above - Soft (not hardened or machined) steel jaws are also available when you build your own chuck.
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Always wear safety glasses when operating machine tools. |
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Download PDF 1040 Instructions
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| Chuck Diameter | 3.1″ |
|---|---|
| Jaw Capacity | With jaws in normal position: 3/32″ (2mm) – 1-1/2″ (38mm)
With jaws in reverse position: 3/32″ (2mm) – 3-1/4″ (82.5mm) |
| Through Hole Diameter | .687″ (17mm) |
| Thread Size | 1″-8 |
| Chuck Body Material | 12L14 Steel |
| Chuck Jaws Material | 12L14 Case Hardened Steel |
| Part No. | Description | Quantity |
|---|---|---|
| 10430 | 3.1″ 3 Jaw Chuck Body 1″ – 8 Thread | 1 |
| 10402 | 3.1″ Chuck Scroll | 1 |
| 10413 | Chuck Retainer Ring | 1 |
| 10414 | 3 Jaw Chuck Jaw* | 3 |
| 40580 | Tommy Bar | 2 |
*Because chuck jaws are factory ground to precisely match each chuck body you must send your chuck back to us to be fitted with new jaws. Please contact us for instructions on how to return your chuck.
Click the P/N below to download a zipped version of the IGS 3D CAD file. You will need to extract the zip file before viewing the IGS file.
1043 4-Jaw Chuck 3D IGS model
You need an IGS viewer to view .igs files. CLICK HERE to download a FREE IGS viewer.
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