Product description： 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.
| Product Description |
| Procuct Name | Spiral Flute 3 Flats Shank HSS Tube and Conical Drill Bit for Sheet Metal Tube Drilling |
| Size | 4-20mm |
| Material | HSS (Cobalt M35 is Available) |
| Flute Type | Spiral Flute (Straight 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. 2. A variety of hole diameters can be drilled using only one tool. 3. Single Cutting Edge:creates perfectly round holes in metal, plastic, wood and other thin materials without center punching. 4. Round Shank provides high precision. 5. Only for rotary use. |
We Can Produce All Sizes of Step Drill Bits as Your Requirement ,Please Contact Us If You Need.
Contact: David Yu
Phone: +86-139-52828006
Tel: +86-139-52828006
Add: Houxiang, Danbei Town, Danyang City, Jiangsu, China, 212300
