China High Efficiency Carbide Bottom Drill Bits with Inner Coolant Hole, Find details about China Twist Drill Bit, Carbide Drill from High Efficiency Carbide Bottom Drill Bits with Inner Coolant Hole
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 |