Drillco 350A002 3500 Imperial Plain Combined Drill and Countersin
k, 5/64 in Drill - Fraction, 0.0781 in Drill - Decimal Inch, 60 d
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Drillco 350C002A 3500C Imperial Combined Drill and Countersink, 5
/64 in Drill - Fraction, 0.0781 in Drill - Decimal Inch, 60 deg I
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