Irwin 3-Piece HSS Black Oxide Metal Countersink Bit Set Shepherd non-cushion-backed resilient

non-cushion-backed resilient

It utilizes nano-sized particles to penetrate into small surface pores where it can effectively work to remove surface stains and residues

2-piece design surface dimensions: 4-7/8" x 5-7/8"

flowable or fluid consistency requiring only the addition of water

Irwin 3-Piece HSS Black Oxide Metal Countersink Bit Set Shepherd non-cushion-backed resilientHigh 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).