
Irwin 3-Piece HSS Black Oxide Metal Countersink Bit Set
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Description
High speed steel with black oxide coating for corrosion resistance. 5 flute design reduces vibration for smoother drilling. Precision-ground 82 deg (degree) tip for countersinking into most machinable metals. 1/4" round shank compatible with all hand held and stationary drills. Set includes 1 each: 1/2" Model No. 12411 (SKU 325880), 5/8" Model No. 12412 (SKU 325899), 3/4" Model No. 12413 (SKU 325902).
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