Details: Coal bit/ coal drill bit/ drill bit:
Material: High manganese steel
Use: Coal mining
Specializes in producing and exporting all kind of drill tools
Low price and supreme quality
Carbide coal drill bit
Coal drill bit/ coal bit:
Applications: Apply to the anchor-network support hole drilling in coal mine, hydraulic project. Etc.
1. High wear resistance and impact-resistance toughness.
2. To repeat repair & greaning are not necessary, long drill life.
3. High efficiency could be promoted sharply in penetration of high-medium hard rock formation.
4. Labour intensity could be reduced.
5. Rock formation to be suitable t: F=4-12
3 wings/ 2 wings
The coal bits are mainly used in coal and mine drilling.
﹡We can manufacture all kinds of bits and shells according to customer's special requirement.
Any requirement please contact us, we'll do the best service for you. Hope we can establish a good business relationship
Colliery Drilling Tools Main Standard(mm)
d h l m
Thread joint 27 44 17 M14× 1.5
27 54 17 m12× 1.75
28 54 20 m12× 1.75
29 52 18 m14× 1.5
30 50 18 m14× 1.5
32 52 22 m14× 1.5
32 56 22 m12× 1.75
Contact Name: David Chen
Company Name: Henan Zhongmei Drill Tool Co., Ltd.
Street Address: Jindai Industrial
Zone, Guancheng District, Zhengzhou
City, Henan Province, China 450004
Member name: davidhnzm
Member Since: 10 May 2010
Total Leads: 17 davidhnzm Import Export Business Leads
Business focus: Diamond Bits, Pdc Bit, Pdc Core Bit, Coal Bit, Anchor Bit, Coal Cutter Picks, Integral Drill Rod, Taper Drill Rod, Chisel Bit, Cross Bit, Button Bit
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