View the Acme Gridley 1-1/4" RB-8 illustrated code reference drawing for Group B
This National Acme replacement spring part number is for most Acme Gridley 1-1/4" RB-8 multi spindle screw machines, regardless of serial number.
4993 is the Acme Gridley part number for replacement spring used with both Standard Fingerholders and Compensating Fingerholders.
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Warren, Michigan 48089
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