T51 115mm Ballistic Spherical Thread Button Bits Rock Drilling
T51 115mm Ballistic Spherical Thread Button Rock Drill Bits
Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength).Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
• Recommended for eliminating hole deviation
• Widely used drifting and tunneling
• Bit face design is ideal for medium-hard to hard abrasive rock
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
Specification:
| Diameter | Buttons and Size (mm) | Flushing Hole | Weight | Part Number | ||||
| mm | inch | Front | Gauge | Angle | Front | Side | (kg) | |
| Spherical | ||||||||
| 89 | 3 1/2 | 4x13 | 8x13 | 40° | 2 | - | 4.9 | 4148300885 |
| 89 | 3 1/2 | 5x13 | 8x13 | 35° | 2 | 1 | 4.9 | 4148300886 |
| 89 | 3 1/2 | 3x11, 2x11 | 6x13 | 35° | 4 | - | 4.9 | 4148300887 |
| 89 | 3 1/2 | 4x11, 1x11 | 8x13 | 35° | 4 | - | 4.9 | 4148300888 |
| 89 | 3 1/2 | 4x13, 1x13 | 8x13 | 35° | 4 | - | 4.9 | 4148300889 |
| 102 | 4 | 4x14 | 8x14 | 40° | 2 | - | 5.8 | 4148300890 |
| 102 | 4 | 6x13 | 8x16 | 35° | 2 | 1 | 5.8 | 4148300891 |
| 102 | 4 | 3x13, 2x13 | 6x14 | 35° | 3 | 1 | 5.2 | 4148300892 |
| 102 | 4 | 4x13, 1x13 | 8x14 | 35° | 4 | - | 5.8 | 4148300893 |
| 102 | 4 | 4x13, 2x13 | 8x13 | 35° | 4 | 1 | 5.8 | 4148300894 |
| 115 | 4 1/2 | 6x14 | 8x14 | 35° | 2 | - | 6.8 | 4148300895 |
| 115 | 4 1/2 | 6x14 | 8x16 | 35° | 2 | - | 6.8 | 4148300896 |
| 115 | 4 1/2 | 4x13, 2x13 | 8x14 | 35° | 4 | - | 6.8 | 4148300897 |
| 115 | 4 1/2 | 4x13, 3x13 | 8x14 | 35° | 4 | - | 6.8 | 4148300898 |
| 115 | 4 1/2 | 4x14, 2x14 | 8x16 | 35° | 4 | - | 6.8 | 4148300899 |
| 115 | 4 1/2 | 4x13, 2x13 | 8x14 | 35° | 4 | - | 6.8 | 4148300913 |
| 115 | 4 1/2 | 4x13, 3x13 | 8x14 | 35° | 4 | - | 6.8 | 4148300914 |
| 115 | 4 1/2 | 4x14, 2x14 | 8x16 | 35° | 4 | - | 6.8 | 4148300915 |
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