D76 89 102mm T38 T45 T51 Concave Button Bit Match with T51 Thread Rods for Rock Drilling

Bits Type:

Head Diameter :40 mm -200 mm (D)

Bit Type: Button Bit, Cross Bit

Button Type: Semispherical Button, Ballistic Button, Conical Button

Thread: R25, R32, R38, T38, T45, T51

Bit Body: Standard Skirt

Bit Face: Flat Face, Concave Face, Convex Face, Drop-Center Face

Material: High quality tungsten carbide

Application:

The Threaded Button Bits are widely applicable to mining industry, tunneling and underground engineering, open pit, construction drill,

blast industry, civil engineering operations, road, gas line, pipe and trench projects, quarry work, rock anchoring and ground stabilization projects, water well industry, etc,.

Usage:

Type of Buttons:

Semispherical button:

This type button is suitable for very abrasive and very hard rock formations.

Ballistic button / Parabolic button:

This type button is suitable for medium abrasive and medium hard rock formations.

Conical button:

This type button is suitable for soft abrasive and soft rock formations.

The selection of Bit Face Type:

Drop center face bit:

It has high penetration rates in soft to medium hard and fissured rock formation, and has better hole deviation control.

Concave face bit:

It’s suitable for medium hard and similar rock formations, it has good hole deviation control and good flushing capacity.

Convex face bit:

It has high penetration rates in soft to medium-hard rock formation. It has the best performance of resistance to steel wash, and reduce the load and wear on the gauge buttons, but it has poor hole deviation control.

Flat face bits:

It’s suitable for hard to very hard and abrasive rock formations.

The selection of Bit skirt:

Standard skirt:

This design is suitable for most of rock formations.