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R25 / R28 / R32 6 12 Degree Pilot Adapter Reaming Bit For Quarrying Drilling
R25 / R28 / R32 6 12 Degree Pilot Adapter Reaming Bit For Cut Holes Quarry Mining
Introduction:
Reaming bits is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in combination with a pilot adapter.
Button bit and Insert types
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
Description:
| Product Name: | Different rock hardness drilling button bit |
| Description: | 1. For different rock hardness mining, tunneling, quarrying button bit. 2. Button bit Made with high quality of best quality alloy steel bar and tungsten carbide, through heat treatment. |
| Material: | Alloy steel bar and tungsten carbide bit |
| MOQ: | Trial order 1-5pcs |
| Body Type: | Normal type and retract type |
| Thread type: | R25,R28,R32,R38,T38,T45,T51,ST58,ST68 |
| Diameter | 32mm-152mm |
| Button bit shape | Spherical and Ballistic |
| Face shape | Flat shape ,Drop-center shape, Dome Bit |