| Customization: | Available |
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| Length: | 38-330mm |
| Type: | Twist Drill Bit |
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1.HRC: HRC45 HRC55 HRC58 HRC60 HRC65
2.Coated: AlTiN, TiAlN, TiAISI,TiSiN, TiN, DLC,Nano, Diamond
3.Could be used for the processing of copper, cast iron, carbon steel, mould steel, stainless steel, titanium alloy, tool steel, and heat-treated steel
Products Features:
1. Special Designed Drill Tip: Special designed drill tip will increase the Centering Ability and Chip breaker ability. Thus,the processing efficiency will be increased.
2. Much Sharper Cutting Edge: The much sharper cutting edge can decrease the cutting resistance and and torque. The lifetime of tools and machines will be longer.
3. Heat-resistant Coating: With highly heat-resistant HELICA/ALTIN coating, can be used for high-speed processing.
4. Smooth and Wide Flute:Smooth and wide flute will remove the cuttings more easily.
5. High Quality Raw Material: The raw material is used of high toughness, grain-sized carbon tungsten.
6. Polished Surface Treatment: With high polished surface treatment, reduce the friction coefficient could be reduced, the lathe efficiency could be improved, more production time could be saved.
Products Detail:
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| Bottom Drill Bits | ||||||
| d1 | d2 | L1 | L3 | L4 | L2 | Coolant solution |
| 3.00-3.70 | 6 | 62 | 20 | 14 | 36 | Inner Coolant |
| 4.00-4.65 | 6 | 66 | 24 | 17 | 36 | Inner Coolant |
| 4.80-6.00 | 6 | 66 | 28 | 20 | 36 | Inner Coolant |
| 6.10-7.00 | 8 | 79 | 34 | 24 | 36 | Inner Coolant |
| 7.10-8.00 | 8 | 79 | 41 | 29 | 36 | Inner Coolant |
| 8.10-10.00 | 10 | 89 | 47 | 35 | 40 | Inner Coolant |
| 10.25-12.00 | 12 | 102 | 55 | 40 | 45 | Inner Coolant |
| 12.25-14.00 | 14 | 107 | 60 | 43 | 45 | Inner Coolant |
| 14.25-16.00 | 16 | 115 | 65 | 45 | 48 | Inner Coolant |
| 16.50-18.00 | 18 | 123 | 73 | 51 | 48 | Inner Coolant |
| 18.50-20.00 | 20 | 131 | 79 | 55 | 50 | Inner Coolant |
| 20.50-25.00 | 25 | 140 | 85 | 60 | 56 | Inner Coolant |
| Customized Tools are Acceptable | ||||||
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