Dave.... the thread is 3/4" X 16 tpi
Is this pretty much the standard? And thanks for the advice.


Dave in Fairfax wrote:
Ecnerwal wrote:

Packard Woodworks does have #1 taper centers in the $24-27 range, or a
Stebcenter #1 for $50. 800 683-8876 - I'm just a happy customer.


Better check the thread and size on that HF spur drive. They
frequently are 3/4" X 10 tpi. Driving the MT out can be
difficult. Just take a file to it and sharpen the edges.

Dave in Fairfax