1.The 60-degree angle center drill proves invaluable for precisely drilling center holes, 60-degree countersink holes, or initiating holes for larger drill bits in metalworking applications.
2. Compatible with lathe machines and the majority of electronic drills, it efficiently drills holes in steel, iron, aluminum, carbon steel, brass, and other challenging materials with hardness ranging from 170HB up to 200HB.
3.Crafted from HSS high-speed steel, the center drill bit boasts an exceptionally sharp blade, ensuring low consumption, durability, and resilience to impact and wear.
d | D | L-Max(mm) | L-Min(mm) |
1.25 | 3.15 | 33.5 | 29.5 |
1.6 | 4 | 37.5 | 33.5 |
2 | 5 | 42 | 38 |
2.5 | 6.3 | 47 | 43 |
3.5 | 8 | 52 | 48 |
4 | 10 | 59 | 53 |
5 | 12.5 | 66 | 60 |
6.3 | 16 | 74 | 68 |
8 | 20 | 83 | 77 |
10 | 25 | 103 | 97 |