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Getting a Grip on Four-Jaw Lathe Chucks

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A chuck also grips Square stock

A chuck also grips Square stock

Chucks also can grip most common sizes of turning squares. Because square stock cannot be held as securely as round stock, hold it with the chuck and support it with a tail center, as shown. Then turn a round spigot on the tailstock end. Now flip the square end for end, and grip the spigot in the chuck, once again supporting it with the tail center. When you cut square stock for mounting in a chuck, make accuracy a priority; out-of-square stock is difficult to grip securely. The slightly rounded jaw corners of Oneway chucks offer the best design for gripping square stock.

Woodturning chucks.
Packard Woodworks. Call 800/683-8876, or go to
Grizzly Industrial. Call 800/523-4777, or go to
Penn State Industries. Call 800/377-7297, or go to
Craft Supplies, USA. Call 800/551-8876, or go to

Continued on page 10:  Meet the authors


Comments (7)
brcollectibles wrote:

I think that oneway in Canada made the ist of these. I never did much turning till I got the oneway chuck. There is only so much you can do between centers.

1/28/2016 10:25:52 AM Report Abuse
nelsondefelixy wrote:

I have just bought a 3" 4-jaw chuck, thanks for this article a guide for a beginner like me, by the way i let a machinest make an adapter to fit on the spindle of my lathe, Nelson Defelix-Iloilo City, Philippines,12-3-15, 8:30pm

12/3/2015 06:31:02 AM Report Abuse
rwm50 wrote:

myplace i have the same unit, you need a 1" + 10 tpi thread type chuck

4/3/2013 05:31:05 PM Report Abuse
Stackman wrote:

I have a 4 Jaw chuck ordered at Busy Bee Tools for my Craftsman lathe. 3/4 X 16 TPI tread pattern.

11/27/2011 10:09:28 AM Report Abuse
mcplace wrote:

I need a 4jaw chuck for a Sears Craftsman wood lathe model# 351.217150 where can I find one. Sears says this model is obsolete any brand might as lon as the thread pattern match.Can some one help

4/23/2011 12:50:03 PM Report Abuse
helmich1 wrote:

Very informative! Metalworking 4 jaw chucks work differently, but that is another ballgame.

3/24/2011 10:38:22 AM Report Abuse

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