Description
Introducing our high-performance solid carbide step drill bit with chamfer, crafted from micro-grain carbide for exceptional durability and precision. This versatile tool seamlessly transitions between drilling and chamfering, offering superior hardness, wear resistance, and toughness. Experience longer tool life, precise machining, and reduced tool wear with this innovative solution.
| Cut dia.(mm) | L1 (mm) | L2 (mm) | Shank Dia.(mm) | L(mm) | Thread Size |
| 3.40 | 11.4 | 28 | 6 | 66 | M4 |
| 4.30 | 13.6 | 28 | 6 | 66 | M5 |
| 5.00 | 16.5 | 41 | 8 | 79 | M6 |
| 6.90 | 21.0 | 47 | 10 | 89 | M8 |
| 8.70 | 25.5 | 55 | 12 | 102 | M10 |
| 10.40 | 30.0 | 60 | 14 | 107 | M12 |
| 12.25 | 34.5 | 65 | 16 | 115 | M14 |
| 14.25 | 38.5 | 73 | 18 | 123 | M16 |
| 7.00 | 21.0 | 47 | 10 | 89 | M8*1 |
| 9.00 | 25.5 | 55 | 12 | 102 | M10*1 |
| 10.50 | 30.0 | 60 | 14 | 107 | M12*1.5 |
| 12.50 | 34.50 | 65 | 16 | 115 | M14*1.5 |
| 14.50 | 38.50 | 73 | 18 | 123 | M16*1.5 |
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