Φ42mm PDC Anchor Drill Bits
Φ42mm PDC anchor drill bits are widely used for anchoring and slope protection drilling in coal mines, metal mines, tunnels, railways, highways and other fields. The characteristic of our company's drill bits is to use the company's self-developed S series patented PDC as cutting teeth, fast speed is the outstanding feature of the product. Specifications: 25, 28, 30, 32, 36, 40, 45, etc. Other specifications can be customized.