3Pcs Set Metric Titanium Aluminum Nitride Coating 3 Flats Shank HSS Step Drill Bit

rocuct Name 3Pcs Titanium Aluminum Nitride 3 Flats Shank Spiral Flute HSS Step Drill Bit Set for Metal Sheet Tube Drilling in Plastic Box
Size 4-12mm, 4-20mm, 6-30mm   (Inch Size is Available)
Material HSS   (Cobalt M35 is Available)
Flute Type Spiral Flute   (Straight Flute is Available)
Flute Number Two Flutes   (Single Flute, Three Flutes are Available)
Shank  Three Flats Shank   (Quick Change Hex Shank, Round Shank, Double R Shank are Available)
Surface Finish TiAIN (TiN, Bright, Black & Amber, Co-coated, Black Oxide, Black & Bright are Available)
Package 3Pcs in Plastic Box
1-16202SK9-4332
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