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DFARS Specialty Metals
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For Maximum Steel Thickness
Stud-Driven Keyway Punches
Round with Keyways
Round with Keyways
Also known as chassis punches, these tools cut through sheet metal to make holes for installing panel cutout switches. They have a centering design for accurate alignment. Drill pilot holes slightly larger than the size of the stud. All punches can be used with a hydraulic driver.