keyless chuck

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Blog entry by woodsmith posted 09-22-2009 03:49 PM 1431 reads 0 times favorited 11 comments Add to Favorites Watch

everyone seems to like them but i have trouble geting them tight enought to keep the drill bit not to slip. anyone else have that trouble? anyone have a trick to keep it from happening?

-- woodsmith

11 comments so far

View Dick, & Barb Cain's profile

Dick, & Barb Cain

8693 posts in 4298 days

#1 posted 09-22-2009 03:59 PM

I set my adjustment so I can hold the chuck by hand, and run the drill.

The ratcheting helps in the tightening.

-- -** You are never to old to set another goal or to dream a new dream ****************** Dick, & Barb Cain, Hibbing, MN.

View ratchet's profile


1391 posts in 3786 days

#2 posted 09-22-2009 05:13 PM

Turn the drill to its slowest speed setting, turn the torque up, then hold the chuck firm while running it. On drill presses I abandoned keyless chucks altogether and haven’t looked back.

View Chris Wright's profile

Chris Wright

540 posts in 3480 days

#3 posted 09-22-2009 06:06 PM

I’ve never had a problem with my cordless drill slipping on bits. One thing you might try is to grind a few facets on the shank for the jaws to grip on, maybe practice on a few cheap bits first. As for my drill press, I don’t think I’d want to use a keyless chuck on it, the torque is just to high and I doubt I’d get the jaws tight enough to keep it from slipping, since I’ve had that issue even with my keyed chuck.

-- "At its best, life is completely unpredictable." - Christopher Walken

View CanadaJeff's profile


207 posts in 3609 days

#4 posted 09-22-2009 07:10 PM

Mine occasionally slips on me, typically when Im using a large forstner bit and try to remove too much too fast. My current solution is to just let up on the downward pressure and remove less. The issue with the slipping is that the forstner bits are perfectly smooth and round so there isn’t much to grab on to.

Do they sell drill bits that have the end as an hexagon shape (similar to driver bits)? That would almost certainly fix the slipping issue.

View PurpLev's profile


8535 posts in 3648 days

#5 posted 09-22-2009 07:16 PM

I use a keyless chuck on my drill press- and never looked back…. never have to deal with a key, open/close all 3 jaws… replacing a bit is a 1 sec, 1 hand operation

generally speaking slippage is only noticeable when using larger forstner bits. my forstner bits however have a hexagon shanks which prevents slippage, so I do not experience any at all.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View stefang's profile


15881 posts in 3333 days

#6 posted 09-22-2009 11:06 PM

I have had mixed results and I use both types on different drills. I use one with my lathe and that one is ok. I prefer a keyed chuck in the drillpress. but like Purplev says, he likes his. Maybe there is a difference in the quality of the different types?

-- Mike, an American living in Norway.

View Broda's profile


313 posts in 3518 days

#7 posted 09-23-2009 10:03 AM

I bought a keyless chuck for my hand drill and I’m gonna take it back to the shop and change it to keyed.

but then again, It could be just that brand of chuck

-- BRODY. NSW AUSTRALIA -arguments with turnings are rarely productive-

View woodsmith's profile


69 posts in 3791 days

#8 posted 09-23-2009 08:51 PM

Thanks for the sugestions. I have three hand drills with keyless chucks and I don’t like them. I may change them out. some times they work ok but at the worst time they start slipping.

-- woodsmith

View TopamaxSurvivor's profile


18271 posts in 3675 days

#9 posted 09-24-2009 07:35 AM

Easiest way is to get a good grip with both hands and tighten it if its giving yoiu trouble. I usually run it tight withthe drill but if it slips i get both hands on it and that takes care of it. some tiimes I wonder who the h* tightened it :-))

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View Dick, & Barb Cain's profile

Dick, & Barb Cain

8693 posts in 4298 days

#10 posted 09-24-2009 05:43 PM

If you’re having a problem with slipping in a keyed chuck, I’ve found that if you rotate, & tighten with all 3 key holes, that it will hardly ever slip.

It’s kind of surprising, but you can actually tighten each one a little tighter.

-- -** You are never to old to set another goal or to dream a new dream ****************** Dick, & Barb Cain, Hibbing, MN.

View SCOTSMAN's profile


5849 posts in 3584 days

#11 posted 09-24-2009 06:56 PM

I have several keyless chucks for several lathes including a large engineering lathe,also a wood lathes both large and small drill presses and several battery drills with them secret is to buy quality chucks not chinese junk .They will work well and keep holding if you buy the well made ones Rohm jacobs and so forth.Alistair

-- excuse my typing as I have a form of parkinsons disease

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