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Product Description
Greenlee 60177 Square Knockout Punch Unit (4-1/8" Hole Size)For use with with Hand and Foot Pump Hydraulic Drivers with RamHole Size: 4-1/8" (4.125"L x 4.125"W)Maximum Capacity: 10-Gauge Mild SteelPunch Unit Includes:
Punch (# 60178)
Die (# 60179)
Draw Stud (# 60118)
BB Drive Nut (n/a)
Counter Nut (# 60235)Minimum Pilot Hole: 1.188"For maximum draw stud life, Greenlee recommends the use of battery or hydraulic drivers
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Greenlee
8004350786