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 | Metric Hole Enlarging HSS Step Drill Bit for Metal Sheet Tube Drilling |
| Size | 18-34mm (18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 34mm) |
| Material | HSS (Cobalt M35 is Available) |
| Flute Type | Straight Flute (Spiral Flute is Available) |
| Flute Number | Three Flutes (Two Flutes, Single Flute are Available) |
| Shank | Three Flats Shank (Quick Change Hex Shank, Round Shank, Double R Shank are Available) |
| Surface Finish | Black & Bright (TiN, Black & Amber, Bright, Co-coated, Black Oxide, 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. |
| Product Sizes |
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
