Conical Drill Bit
3pcs Straight Flute Tungsten Carbide Titanium Coated Step Drill Bit Hss Stepped Cone Drill Bits Set
- This step drill set made of strong M42 steel with titanium coating.
- The straight flute is for excellent heat dissipation and chip removal.
- The step cone drill bit sets have a clear scale mark.
- Titanium coated with more capable and durable.
- Perfect for home repairs and light jobs.
- Product Details
- Factory
- Material
Product Description
| Product Name | 3pcs Straight Flute Tungsten Carbide Titanium Cotaed Step Drill Bit Hss Stepped Cone Drill Bits Set |
| Color | As your request |
| Name | hss stepped drill bits set |
| Used | drilling holes with different diameters |
| Spiral Flute Step Drills (Metric) | |||||
| Size (mm) | Number of Steps | L1 (mm) | L2 (mm) | D1 (mm) | D2 (mm) |
| 4-12 | 5 | 62 | 22 | 12 | 6 |
| 4-12 | 9 | 68 | 22 | 12 | 6 |
| 4-20 | 9 | 71 | 22 | 20 | 8 |
| 4-22 | 10 | 73 | 22 | 22 | 8 |
| 4-30 | 13 | 95 | 22 | 30 | 10 |
| 4-32 | 14 | 102 | 22 | 32 | 10 |
| 4-39 | 13 | 97 | 25 | 39 | 10 |
| 5-35 | 13 | 73 | 25 | 35 | 13 |
| 4-40 | 16 | 103 | 25 | 40 | 12 |
| 10-45 | 9 | 98 | 25 | 45 | 13 |
| Spiral Flute Step Drills (Inch) | |||||
| Size (inch) | Number of Steps | L1 (inch) | L2 (inch) | D1 (inch) | D2 (inch) |
| 3/16-1/2 | 6 | 2 7/32 | 7/8 | 3/16-1/2 | 1/4 |
| 1/8-1/2 | 13 | 2 27/32 | 7/8 | 1/8-1/2 | 1/4 |
| 1/4-3/4 | 9 | 2 51/64 | 29/32 | 1/4-3/4 | 3/8 |
| 3/16-7/8 | 12 | 3 | 7/8 | 3/16-7/8 | 3/8 |
| 1/4-1 3/8 | 10 | 2 61/64 | 7/8 | 1/4-1 3/8 | 3/8 |
| 7/16-1 1/8 | 12 | 2 51/64 | 7/8 | 7/16-1 1/8 | 3/8 |
| 9/16-1 | 8 | 3 3/64 | 7/8 | 9/16-1 | 3/8 |
| 13/16-1 3/8 | 10 | 3 | 7/8 | 13/16-1 3/8 | 3/8 |
| * Custom-tailor would be available against customers’ requirements | |||||
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