China Factory Tungsten Carbide Step Twist Drill Bit with Coating, Find details about China Twist Drill Bit, Carbide Drill from China Factory Tungsten Carbide Step Twist Drill Bit with Coating
Raw Material | Carbide, Tungsten Cobalt Alloy, tungsten carbide |
Coating | AlTiN, TiAlN, TiSiN, AlTiSiN, TiN, Nano, or as your requirements |
Overall Length | 38-330mm (customized is acceptable) |
Flute Diameter | 0.3-40mm (customized is acceptable) |
Diameter | 4-40mm (customized is acceptable) |
Precision | 0.005-0.01 (high precision) |
HRC | 45/50/55/65 HRC |
Controlling Mode | cnc tooling system |
Processing Type | Finishing Maching |
Suitable for | wood, cast iron, carbon steel, mould steel, stainless steel, titanium alloy, tool steel, and heat-treated steel, etc |
Products Detail:
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Step Drill Bits | |||||
D1 | D2 | L1 | L2 | L3 | |
3.40 | 6.0 | 66 | 28 | 11.4 | |
4.30 | 6.0 | 66 | 28 | 13.6 | |
5.00 | 6.6 | 79 | 41 | 16.5 | |
6.90 | 10.0 | 89 | 47 | 21.0 | |
8.70 | 12.0 | 102 | 55 | 25.5 | |
10.40 | 14.0 | 107 | 60 | 30.0 | |
12.25 | 16.0 | 115 | 65 | 34.5 | |
14.25 | 18.0 | 123 | 73 | 38.5 | |
Customized Tools are Acceptable |