Skinner 4 Jaw Chuck 21912-45 - $200 (Menahga)

Skinner 4 Jaw Chuck 21912-45 1 thumbnail

condition: good

make / manufacturer: Skinner Chuck

model name / number: 21912-45

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Nice 4 jaw chuck. The index bore on the back of the check is 4.100 so it must be a 1 3/8spread and it appears to be 6 threads per inch. Peak to peak it would be 7.

post id: 7936550435

posted: 2026-05-24 21:46

updated: 2026-07-03 15:53

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Skinner 4 Jaw Chuck 21912-45 - tools - by owner - sale - craigslist

Nice 4 jaw chuck. The index bore on the back of the check is 4.100 so it must be a 1 3/8spread and it appears to be 6 threads per inch. Peak to peak it would be 7.