89mm T45 Retractable Button Drill Bit Cemented Carbide Rock Drill

Description:

We can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.Rock Drill Thread Button Bits is suitable for R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60 rock drill rods use. It have many thread. It's widely used for hard rock(f=8~18) drilling use.

Applications

• Underground mining
• Tunneling
• Quarrying

• Widely used in bench and long hole drilling
• Perfect design can dealing with soft to medium-hard rock formations

Advantage

1. High quality 
2. Automatic production line ensure the quality stability
3. Grade requirements of heat-treatment procedureguarantee durability of the bits.
4. Price are competitive