Chip in brand new collet: Does it matter?

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Forum topic by dpoisson posted 08-09-2012 07:20 PM 899 views 0 times favorited 7 replies Add to Favorites Watch
View dpoisson's profile


190 posts in 2941 days

08-09-2012 07:20 PM

Topic tags/keywords: collet damage chip chuck turning

Hi, I’m looking for advise. I have received my brand new PSI collet chuck kit and I’ve noticed that one of the collet (the 3/4”) has a chip in it. I was wondering if this is acceptable? I’m still fairly new to turning, but wouldn’t the slightess little thing that’s out of round / balance cause wobbling?

Here’s a pic:




7 replies so far

View PurpLev's profile


8536 posts in 3675 days

#1 posted 08-09-2012 07:40 PM

this is probably nothing more than a visual flaw and should not affect the grabbing capabilities of this collet because of the ER collet design. however for a brand new collet I would contact PSI for a replacement. the fact that it’s chipped means that it was subject to some sort of abuse (being very general with the term here) and you never know what else got affected by this abuse that might only become visible later down the road when warranty is non existent – since it’s new – I’d correct it now.

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

View MrRon's profile


4795 posts in 3270 days

#2 posted 08-09-2012 07:44 PM

Ditto; Call for a replacement.

View NiteWalker's profile


2737 posts in 2603 days

#3 posted 08-09-2012 08:11 PM

And another vote for a replacement.
On the plus it might not even be worth it to them to have you return the collet.

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

View Dusty56's profile


11819 posts in 3714 days

#4 posted 08-09-2012 08:24 PM

If it’s new , it shouldn’t be flawed in my book….I’m sure they didn’t give you a discount for accepting used / defective parts. Its not like you bought it from Craigslist : )

-- I'm absolutely positive that I couldn't be more uncertain!

View Bagtown's profile


1739 posts in 3757 days

#5 posted 08-09-2012 08:25 PM

Has no effect on how a collet works.
It’s very minor.
I’ve used collets chipped like that (I dropped it) on a CNC mill before.
Wouldn’t bother me a bit.
If anything I’d let the company know that it got through their QA/QC system just to help them. I’d probably say “no thanks” to a replacement, but I’d let them know that I’d appreciate it if they keep me in mind if they ever need anything tested or have any giveaways, etc.
Demanding replacements for anything short of perfection is not helping the economy a bit.

Just my thoughts,


-- Mike - In Fort McMurray Alberta

View Charles Maxwell's profile

Charles Maxwell

1099 posts in 3834 days

#6 posted 08-09-2012 08:51 PM

It won’t effect the operation but, you should file and polish the abrasion so as to prevent further cracking.

-- Max the "night janitor" at

View dpoisson's profile


190 posts in 2941 days

#7 posted 08-10-2012 03:53 PM

Hi, thanks for the great advise. I contacted my dealer (sells Penn State stuff here in Québec, Canada) and he’s going to contact Penn State himself to see what they think. He says they’ll probably ship a new collet to him or something like that.

The main reason why I hesitated to much to call him is rather selfish. I order stuff from him (he’s in Montréal) and whenever we go see my dad near Montréal or when my dad comes to Québec City, I get my order.

I didn’t want to go through another month or so waiting for a useable collet ;-/ Especially not after just upgrading to a new lathe!



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