| Procuct Name | Round Shank Straight Flute HSS Conical and Tube Drill Bit for Metal Tube and Sheet Drilling |
| Size | 24-40mm |
| Material | HSS (Cobalt M35 is Available) |
| Flute Type | Straight Flute (Spiral Flute is Available) |
| Flute Number | Single Flute (Two Flutes, Three Flutes 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. 3. A variety of hole diameters can be drilled using only one tool. 4. Single Cutting Edge:creates perfectly round holes in metal, plastic, wood and other thin materials without center punching. 5. High speed steel provides good life and high precision. 6. Round Shank:fits most kinds of power tools and provides high precision. 7. Only for rotary use. |