High quality/High cost performance Rock Drilling Tools R28 Thread Button Bit

Min.Order: 5

Product origin: Liaocheng, Shandong, China

Infringement complaint:

Complaint

US$ 15

Description

Button bits for rock drilling, a kind of top hammer drill bit and rock drill bit, is mainly used with hydraulic drill rods
(pneumatic drill rods) and hydraulic rock drills (or pneumatic rock drills) in top hammer drilling.

Button bits rock drilling use different forms of threads to cooperate with the drill rod to perform drilling operations.

The thread type includes R25,R28,R32,SR35,R38,T45,T51, ST58, GT60, ST68 and so on.
R25, R28, R32, R38
Used in drifting and tunneling.
T38, T45, T51, ST58, ST68
Used in benching and long hole drilling.

Raw Material :alloy steel and tungsten carbides by heat forging treatment.

Buttons shapes:spherical,ballistic and conical.
Spherical Button Characteristics:

1. Universal button
2. Good wear resistance
3. Best suited for hard ground
4. 27000-48000PSI(180 to 320Mpa)
5. Suited for abrasive to very abrasive drilling conditions

Ballistic Button Characteristics:
1. Fast Penetration
2. Best suited for soft rock
3. 10000-20000PSI(70 to 140Mpa)
4. Suited for non-abrasive drilling conditions
Face shapes: flat shape,drop-center shapes and engrave shapes,

Body shapes:normal and retrac shapes.

Product Name	Button Bit
Usage	For Mining and Tunnel drill machine
Connection Type	R25 Thread
Diameter	33-45mm
No. of buttons	7 pcs,9pcs
Weight	0.5KG
Packing	Wooden Case