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Collet type help :)

D

Djakomo

Plastic
Joined
Jun 29, 2019
Hi! I bought these collets thinking they were w20 collets, but they are not..
From the pictures they looked like w20, but the body is 19 mm, and the thread I can not find out the pitch... closest thread pitch is 1.25 mm but it does not fit perfectly.
I have these 6 soft collets, so if you could help me identifying them I would be grateful!

0-02-04-00e0f16e92cec61d3fe0aa27631bffe809a8d2c64d4c2998a8add85f06ed855a-6e960379 — imgbb.com
0-02-04-5f7764a7d1599b692c5d14bc135d50aa286c5bdd4606f84cc463619dfe4807f4-7c020953 — imgbb.com
0-02-04-33dcebc869ebcbe5f1b647e5e95fceed56dbead503544d1680c5491c066b88a5-64d578f9 — imgbb.com
0-02-04-381b5958417b91f0fab3db37aa92134cd37334d0204acb9a2adca252d83a1c00-24aee948 — imgbb.com
0-02-04-518986c98167ecb97863edf047a90a5e88d31f3e5f50ee8d28acd7968c730355-50099d9a — imgbb.com
 
The body on my W20 collets measure ~20 mm. Your body looks like 12 mm. The dimensions for a W12 looks like a close match for your pics. It does call out a 1.25 mm thread pitch for them.
 
The body is 19 mm.
If it is 3/4 inch do you know where can I find more info about them ? Thank you
 
Djakomo said:
Hi! I bought these collets thinking they were w20 collets, but they are not..
From the pictures they looked like w20, but the body is 19 mm, and the thread I can not find out the pitch... closest thread pitch is 1.25 mm but it does not fit perfectly.
I have these 6 soft collets, so if you could help me identifying them I would be grateful!

0-02-04-00e0f16e92cec61d3fe0aa27631bffe809a8d2c64d4c2998a8add85f06ed855a-6e960379 — imgbb.com
0-02-04-5f7764a7d1599b692c5d14bc135d50aa286c5bdd4606f84cc463619dfe4807f4-7c020953 — imgbb.com
0-02-04-33dcebc869ebcbe5f1b647e5e95fceed56dbead503544d1680c5491c066b88a5-64d578f9 — imgbb.com
0-02-04-381b5958417b91f0fab3db37aa92134cd37334d0204acb9a2adca252d83a1c00-24aee948 — imgbb.com
0-02-04-518986c98167ecb97863edf047a90a5e88d31f3e5f50ee8d28acd7968c730355-50099d9a — imgbb.com
Click to expand...

As they are not as common as plain ones, internal expander, step, and pot type collet chucks might have been ordered in US/Imperial even in an otherwise all-metric part of Europe.

I've gathered a set of Hardinge on the 5C stock, for example - they listed those clear up to 7" diameter.

Search in Imperial/US measurements, not just metric, and you might find the matchup faster.
 
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