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28mm 32mm coal mining roof bits
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Product Details
| Place of Origin | Henan, China | Brand Name | ZM | |
| Model Number | all types | Type | Center Drill Bit | |
| Material | High Carbon Steel | Use | Other, mining |
Product Description
Specifications
1.28,30,32,34mm coal mining roof bits2.do coal mining bit OEM,ISO9001
3.different shapes and combination styles bit
40mm,42mm coal mining roof bits/auger drill bit
interduction about company:
Henan Zhongmei Drill Tool Co.,Ltd ,which is a provate enterprise,specializes in drilling tools,the main products are as following:pdc drill bit series,Tricone bits series,diamond bit series,TC drill bit series,Ballistic bit seriesand drill rods series.
the featured about PDC anchor drill bits:
PDC anchor drill bits are widely application in coal mining, oil/gas field, geological exploration, water conservarcy, power engineering , and other many industries, The wings of cutter are made from PDC.They have faster drilling speed and longer life when drilling soft to medium stratum(f≤10).
Drilling holes without the contract og the diameter,the quality of the drilled hole is perfect and decreasing the waste of rolled up powder and anchor-shank.
Speifications(mm) :
25,27,28,29,30,32,36,42.
Normal Thread Model: M16*2; M14*1.5, M12*1.75; M14*1.5; M12*1.75
Notes:Non-standard items also can be made as your requirements.
Contact Us
- Henan Zhongmei Drill Tool Co., Ltd.
- Contact nameAndy Wang Chat Now
- Phone86-371-13255921607
- AddressJindai Industrial Zone, Guancheng District, Kaifeng, Henan
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