| Procuct Name | Round Shank Straight Flutes HSS Step Drill with original color for Tube Metal Sheet Drilling |
| Size | 8.5mm, 10.5mm, 12.5mm, 14.5mm, 16.5mm, 18.5mm, 20.5mm, 23.5mm, 25.5mm, 30.5mm, 32.5mm, 38.5mm, 40.5mm |
| Material | HSS (Cobalt M35 is Available) |
| Flute Type | Straight Flute (Spiral Flute is Available) |
| Flute Number | 3 Flutes (Two Flutes, Single Flute are Available) |
| Shank | Round Shank (Three Flats Shank, Quick Change Hex Shank, Double R Shank are Available) |
| Surface Finish | Bright (TiN, Black & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available) |
| Package | One Piece in Double Blister or Plastic Tube |
| Features | 1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm. 2. 135° Split Point Tip: increases cutting speed with self-centering and the drills do not run off center. 3. A variety of hole diameters can be drilled using only one tool. 4. The dimension of drilled hole is exact. 5. Two Flute Design: provides longer life and better chip removal. 6. The Spiral Groove: creates better, less noise, less force has to be used. 7. Only for rotary use. |