SL7699, SL-7699, Lot of Cobalt Steel Countersink Drill Bits #20
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Lot of 5ea NEW / nos High Quality Cobalt Steel combination Countersink / Drill Bits.
- Shank diameter 1/4"
- Drill / Point diameter .1610", 8.12mm, #20 drill size, (common size)
- Overall length 1 7/16"
Manufactured by Precision Twist Drill Co, made in U.S.A. P/N SL7699.