3Pcs Metric Bright Finish 3 Flats Shank Spiral Flute HSS Step Drill Bit Set

Procuct Name 3Pcs Bright Finish 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
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 Bright   (TiN, Black & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Package 3Pcs in Plastic Box 
1-16202S450-F26
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