View the Acme Gridley 1-1/4" RB-8 illustrated reference drawing for Crank Safety Mechanism
This National Acme replacement crank assembly part number AT-963492 is for Acme Gridley 1-1/4" RB-8 multi spindle screw machines starting with serial number AM-40630 and ending with serial number AM-406718. Please contact us if your screw machine serial number is prior to this number.
22845 Hoover Road
Warren, Michigan 48089
v: (586) 755-7300
f: (586) 755-1229
Mon-Fri 8am-5pm
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