Dth Drilling Bit For 3 pcs 4 Teeth Taper Button Bits 30-42 mm Hard Spherical Cemented

1. The cemented carbide button bit is made of high-quality alloy steel as the base material of the library body.
2. Adopts the strengthening and toughening heat treatment process.
3. Have enough strength to meet the needs of rock drilling.
4. Have the least energy consumption in drilling.
5. Customized threaded drill bits according to different drilling applications.