Myford Gearbox drain seal washer

[Michael O’ConnorParticipant @michaeloconnor78257]

Hi Baz,

Yes, that is a Bison 4” Diameter 5C collet chuck. Bison even sells a 1-1/8”-12 BSW backplate for it.

**LINK**

I purchased mine from New England Brass & Tool. (USA)

This is a standard Bison item.

4” Bison 5C Collet Chuck (Plain Back) #7-862-0401 $495

Fully Machined Threaded Adapter 4” No.7-922-046 $95

Very happy with mine. The 4” diameter is the perfect size for the Myford lathe. Not available in a Set-Tru type.

[Author]

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