TBM tunnel boring machine carbide tips coal mining rock drill auger bits:
1. According to the technical drawings using standard material specification.
2. Competitive price and products
3. tungsten carbide with reinforcement coal mining drill bits
4.continuous miner, long wall shearing, roadheader
Product Name: | Coal mining tools |
Description: | rock drilling tools, construction drilling tools, mining tools, road milling tools, shield cutters and other related products. |
Material: | carbide steel |
MOQ: | 100PCS |
Type | U82.U84.U85.U92.U94.U95.U62.U47.U138.U765.U170.S100.S120.S135.S150. S160.S170.S200.5030.C31.C21, etc.. |
Diameter | 19-70mm |
Use | Mining and drilling |
Color | According to the customer request |
