Mich. Admin. Code R. 408.13835 - Chisels, punches, star drills, drift pins, and wedges
Rule 3835.
(1)
A chisel, punch, star drill, drift pin, or wedge with a metal striking end
shall not be used when the end becomes mushroomed. The striking end shall be
ground with a crowned radius and beveled edge.
(2) The working end of a chisel, punch, star
drill, drift pin, or wedge shall be maintained as designed.
Notes
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