Question regarding 2J collets
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Topic: Question regarding 2J collets (Read 1153 times))
AustinBinTX
Marksman
Posts: 462
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Real Name: Austin
Question regarding 2J collets
«
on:
March 25, 2017, 10:41:10 PM »
Anyone know the maximum diameter bar stock that can be passed through a 2J collet?
I know the max size is 1-3/8".
I got extremely lucky and snagged a Hardinge Sjogren 2J speed collet chuck with D1-4 back and a 2J to 5C adapter for literally next to nothing. The good news is I have complete sets of inch and metric 5C collets, so I don't have to pay the insane price for all the 2J's. I'm just wanting to buy everything above the 1" size since that's the max I can pass through a 5C. Eventually I guess I can buy the complete 2J set as they pop up.
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Iredell, TX
MultimediaMan
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Posts: 170
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Real Name: Matthew
Re: Question regarding 2J collets
«
Reply #1 on:
June 03, 2017, 03:06:28 PM »
1-3/8" is the max round bar size which can be fed through it. There aren't too many "cheater" sizes for 2J (which do away with internal threads and full through-the-middle sizes 5C collets greater than 1" to 1-1/8" won't have internal threads or the ability to bar feed from the rear.) Like you, I already have a 5C setup... and a 2J is a reasonable step up... however, 3J might be a better overall plan (3J goes to 1-1/2").
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Bentonville, Arkansas
Corny
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Posts: 176
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Real Name: Jon
Re: Question regarding 2J collets
«
Reply #2 on:
July 25, 2017, 01:14:48 PM »
3j goes to 1.75.
also you can get special oversize collet for them that go up to 6"
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USA, SD, Watertown
AustinBinTX
Marksman
Posts: 462
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Real Name: Austin
Re: Question regarding 2J collets
«
Reply #3 on:
July 31, 2017, 09:38:33 AM »
Thank you
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Iredell, TX
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Question regarding 2J collets