SINODRILLS Retract thread button bits
Recommended by CCCME
- Product Details
- Company Profile
With the top quality of alloy steels imported from USA and the best carbides made in China, we produce all retract threaded button bits by hot press technology.
Thread size: R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60.
Diameter: 51mm to 152mm.
Face tape: Flat front, Drop center front, Uni-face