Century Drill and Tool 95109 Coarse Plug Hand Tap, 7/16 - 14

Century Drill & Tool 11621 Letter Gauge Drill Bit, Size U

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Letter gauge drill bits are made from premium grade high speed steel.

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Product Review

Letter gauge drill bits are made from premium grade high speed steel.

U.S. AISI M2 Molybdenum High Speed Steel
135° Split Point
Fully Ground from billet blanks
Rockwell Hardness: Point C65 Shank C34
Letter Gauge U Drill Bit - 0.368" dia. 5" len.

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Century Drill and Tool 95109 Coarse Plug Hand Tap, 7/16 - 14