Diameter: #21Decimal Equivalent: .1590"Flute Length: 2-1/8"Overall Length: 3-1/4"135° Split PointShank: StraightGold Oxide FinishDesigned For Metal And Wood CuttingPilot Hole For 10/32 TappingCobalt Drills Maintain Their Cutting Ability At High Temperatures And Are Extremely Resistant
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