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Rock Drill Bits, Tapered Chisel Bits:

1) Tapered connection: 7°, 11°, 12°

2) Alloy steel:42CrMo

3) Suitable carbide tips:YK20

4) Chisel bit diameter: 20-60mm

5)Technology:hot-pressing or welding

 Tapered Rock Drill Cross Bit:

1) Tapered connection: 7,11,12

2) Chisel bit diameter: 28-60mm 

3) Technology:hot-pressing or welding

4) Bit Body: Short skirt and Long skirt

5) Tapered drill rod: H22/H25*108mm

Tapered Button Bit:

1) Type: Tapered button bits

2) Shank Hex.Size: 19mm,22mm,25mm

3) Diameter: 30-42mm.

4) Taper degree: 7°11°12°

5) Package: Plastic case, wooden case.

Hexagon 22mm/25mm Rock Drill Rods, Integral Rods:

1) Tapered connection: 7,11,12 

2) Alloy steel:42CrMo

3) Diameter: 19mm 22mm 25mm

4) Length: According to clients' requirement

We choose different material and size for the drill bits in order to adapt the different rock formation and working conditons
1.excellent drilling penetration
2.used in very hard or hardest rock formations
3.adequate for various construction conditon
4.strong correstion resistance
the diameter is from 32mm to 76mm
thread button bits,taperd bits ,cross bits,etc