Better drill press vise?

#44
The last Acme tread rod I needed( for a cannon barrel elevation jack) I purchased from a local Bolt Supply House establishment . They had a large selection (1/4"-1 1/4") of the rods & corresponding nuts in regular stock.
 

David_R8

Scrapper of metal
Premium Member
#46
From what I know Acme is stronger due to the thread form.
Truthfully it probably wouldn't make much differenence for this application.
 
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#51
Why does it need to be ACME thread?
Acme threads don't bind up as bad as pointed threads when being advanced or loosened under pressure ...less friction than to the larger area of a thread with longer slope to a thread crown and also less thread count per inch reduces engagement per inch of object but retains strength .
 

David_R8

Scrapper of metal
Premium Member
#60
I don’t ‘think’ so honestly. Anything will be better the 6B class thread that’s currently in the vise body. :D