Help me indentify these collets?

Mud · Dec 1, 2006

I have these collets in my collection and would like to find them a new home, but I need to know what they are so I can do that properly. They are marked B&S 23 and B60 Index. I can't find any reference to either of those designations in the B&S site or in the Hardinge site. The collet on the right takes S16 collet pads as shown.

What machines do these fit?
Thanks!

Lca078 · Dec 1, 2006

They're reminiscent of B&S 21's, just a lot bigger! We have a NMTB 50 collet chuck that takes the B&S 21's. Maybe there's an equivalent 50 taper collet chuck for these 23's which means they'll be useful on most large mills?

L Vanice · Dec 1, 2006

The obvious answer is a German Index B60 screw machine. But some other machines take them, too. Google found a Hardinge document showing them applied to a Hardinge CNC lathe.

Larry

precisionworks · Dec 1, 2006

From the Harding Tooling website:

Which collets and feed fingers are standard for #3 Ultramatic with 2-3/8" Capacity?

The #23 (Part #3153) Collet, or the #23A (Part #3147) Collet; the #23 (Part #3153) Finger for 2" Capacity Tube, #23M (Part #3149) Master Collet and Pads, and the #23M Master Finger and Pads are typical. From sizes 2" to 2-3/8" inclusive, an Outside Feeding Attachment and Stock Loader are used. With alternate chuck sleeves, use the #22 (Part #3111), #22C (Part #3125) or the #22D (Part #3127) Collets. With alternate adapters, use the #10 (Part #3035), #11AA (Part #3065), #22 (Part #3115), #22H (Part #3133), or #22D (Part #3129) Fingers.

http://hardingetooling.com/faq.asp

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Barry Milton

Mud · Dec 2, 2006

Thanks guys, I couldn't find it on my own.

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