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Help with drill press chuck

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Forum topic by Sigo posted 478 days ago 1057 views 0 times favorited 12 replies Add to Favorites Watch
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Sigo

11 posts in 519 days


478 days ago

Topic tags/keywords: drill press question

Just purchased a Central Machinery Drill Press. I’ve got a little more runout than I’d like (.085”). The arbor has very little runout (.0005”). The chuck says 5/8 JT3. What other information do I need to order a better chuck and is there one you’d recommend?


12 replies so far

View runswithscissors's profile

runswithscissors

894 posts in 623 days


#1 posted 478 days ago

I like Grizzly’s keyless chucks on my dp. I think they grip the drill as well and I don’t have to hunt down the key.

View huff's profile

huff

2782 posts in 1883 days


#2 posted 477 days ago

Sigo,

You could check out this company; http://www.victornet.com

They carry all type chucks.

-- John @ http://www.thehuffordfurnituregroup.com

View Kreegan's profile

Kreegan

1452 posts in 744 days


#3 posted 477 days ago

View JustJoe's profile

JustJoe

1554 posts in 636 days


#4 posted 477 days ago

You’ve got the info you need – the taper is JT3 the max size is 5/8. Anything with a JT3 taper will fit, the max size is personal preference based on how fat a drill shank you want to be able to use.
It’s hard to recommend a brand because of where you’re putting it – good chucks aren’t cheap or even moderately priced and a high-end chuck on a low-medium tool is just putting fancy rims or fuzzy dice on a Pinto. The Rohm and “new” Jacobs chucks have been known to slip but they are inexpensive and runout isn’t too bad. Albrecht chucks are super high quality but cost more than the drill press you’d want to put them on.
EDIT: You might also try taking a taper tool and knocking the chuck out, wiping it all down with a clean rag and reseating it to see if that improves runout.

-- This Ad Space For Sale! Your Ad Here! Reach a targeted audience! Affordable Rates, easy financing! Contact an ad represenative today at JustJoe's Advertising Consortium.

View shampeon's profile

shampeon

1275 posts in 781 days


#5 posted 477 days ago

I’ve got one of the Victornet keyless JT3 chucks, and it’s worked well, especially for the price. I think the runout was measured at 0.006. The only thing I don’t like is the minimum size of 1/8”.

It seems like there’s a gulf between the import chucks (less than $50) to the name-brand ($150 or more) chucks.

-- ian | "You can't stop what's coming. It ain't all waiting on you. That's vanity."

View Fred Hargis's profile

Fred Hargis

1643 posts in 1091 days


#6 posted 477 days ago

Yep, I’ve been wanting to replace the one on my Delta DP…the Jacobs USA chucks are really expensive. Can’t decide whether to save a few more sheckels and get one, or just go with another import. You might check e-bay, I was able to get a really good Jacobs 1/2” for my lathe (arbor and all) for $30. I haven’t seen any 5/8” used ones show up there, tho.

-- I long for the days when Coke was a cola, and a joint was a bad place to be (Merle Haggard)

View Airspeed's profile

Airspeed

413 posts in 500 days


#7 posted 477 days ago

I put a Grizzly keyless chuck on mine four years ago and it still works great, holds any bit very tight. The only downside is its a little longer than my old keyed chuck.

-- http://smg.photobucket.com/albums/v655/aaronhero/

View lumberjoe's profile

lumberjoe

2827 posts in 846 days


#8 posted 477 days ago

Maybe I got lucky. I’ve got the 38144 16 speed floor drill press. I’ve never measured for run out because I haven’t had a problem. I just went out and measured and I have .003 – which I think is very acceptable.

I turn a lot of pens and would definitely notice a lot of run out. Most of the holes are 2 to 3” deep. They need to be exact all the way through or the brass tubes for the pens would have a lot of play. With good (whiteside) drill bits, I often have to tap the tubes in with a mallet after applying CA.

-- www.etsy.com/shop/KandJWoodCrafts

View Sigo's profile

Sigo

11 posts in 519 days


#9 posted 477 days ago

Thanks for all of the replies. I did try to reseat the chuck several times, rotating it a quarter turn each time. Best I could get was .008” when measuring with a 1/2 inch bit just below the chuck. Runout on the arbor was about .0005”.

View MNgary's profile

MNgary

235 posts in 1015 days


#10 posted 477 days ago

+1 for JustJoe.

-- I dream of the world where a duck can cross the road and no one asks why.

View Sigo's profile

Sigo

11 posts in 519 days


#11 posted 457 days ago

Well, to close this out, I ended up returning the drill press for a second one. I ultimately returned the second Central Machinery Drill Press. I just wasn’t happy with the run out on either. To compound my frustration, on the second DP, table wouldn’t move down smoothly. To the credit of HF, they took both back without question. I ended up purchasing the Porter Cable DP and believe it is superior in most every aspect.

View NiteWalker's profile

NiteWalker

2704 posts in 1175 days


#12 posted 457 days ago

You did good; the pc is a great press for the money, but honestly I’ve never checked my drill press (ridgid 15”) for runout. I haven’t felt the need to. It drills holes where I need, and the resulting hole is the size I need.

I’d only muck with it if I saw visible runout.

-- He who dies with the most tools... dies with the emptiest wallet.

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