| Product Photos |
| Product Description |
| Procuct Name | 3Pcs Black Oxide 3 Flats Shank Spiral Flute HSS Step Drill Bit with Chip-Breaker for Sheet Drilling |
| Size | 4-12mm, 4-20mm, 4-32mm (Inch Size is Availabel) |
| 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 | Black Oxide (TiN, Bright, Black & Amber, Co-coated, Black & Bright, TiAIN are Available) |
| Package | 3Pcs in Aluminum Case (Nylon Bag, Wooden Box, Plastic Box, Double Blister, Metal Box are Available) |
| 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° Spilt 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. Titanium nitride coating provides up to 6 times the life over high speed steel. 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.
Email:info@lddrills.com
Head Office: RM 14B 14/F WAH HEN COMM CTR NO 383 HENNESSY RD WANCHAI HK
Factory Address：No.1, Jinggong Road, Changxing Industrial Park, Danyang City, Jiangsu Province, China 212310
