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Whitcomb #1 1/2 Collets and others
A little more research: The mystery collets are awfully close to a Springfield #3, (.365" thread dia, .440" body dia, .725" head dia). Only the head size is a little large.- salperta
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- Forum: Antique Machinery and History
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Whitcomb #1 1/2 Collets and others
Hi All. This is cross-posted to the general forum because I didn't realize it probably belonged here. Feel free to delete whichever one is inappropriately located: Among many other oddities and wonders, I inherited a bunch of unmarked collets from my dad when he retired. He ran Howard Precision...- salperta
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- Replies: 2
- Forum: Antique Machinery and History
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Whitcomb 1 1/2 Collets and mystery
Hi All. Among many other oddities and wonders, I inherited a bunch of unmarked collets from my dad when he retired. He ran Howard Precision Products in Framingham, MA, previously Howard Clock Products out of Waltham. Originally, they made watches and clocks. I'm trying to identify some of these...