High Wearable T51 89mm Tungsten Carbide Drill Bits Retractable
Drill Bit for Rock and Concrete
Product Description:
Retractable rock drill 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
Suitable for powerful percussive drills and top hammers with high
speed drifter, such as Atlas Copco 282 rocket boomer, Atlas Copco
352 rocket boomer jumbo,AtlasCopcoD7roc, Furukawa HCR 1200, Tamrock
and Ingersoll Rand ECM660,the products are widely used in bench and
production drilling, extensional drilling, our products with
comparative advantages of the more prominent cost-effective as the
famous brand in the world, our products have been recognized as
high-quality brand of rock-drilling tools made in China.
Retractable rock drill button bit suitable for small hole range
Retractable rock drill button bit widely used in Dimensional Stone
Quarrying Industry
Retractable rock drill button bit widely used in Underground Mining
Industry
Product Advantage:
1. Recommended for eliminating hole deviation
2. Widely used drifting and tunneling
3. Bit face design is ideal for medium-hard to hard abrasive rock
4. Color: Green,Blue or Based on Customer requirements
Specification of other Retrac Button Bits:
| T51 Button bits, retract skirt |
| Diameter | T.C buttons | Flushing hole | Angle | Weight |
| mm | inch | Gauge x mm | Front x mm | Side | Front | Gauge | Kg |
| 76 | 3 | 6x12 | 4x11 | 1 | 2 | 40° | 3.08 |
| 76 | 3 | 6x13 | 3x12,1x11 | 1 | 3 | 35° | 3.16 |
| 76 | 3 | 8x12 | 4x12 | 1 | 2 | 35° | 3.15 |
| 76 | 3 | 8x12 | 5x11 | 1 | 2 | 35° | 3.09 |
| 89 | 3 1/2 | 8x13 | 4x13 | 1 | 2 | 35° | 4.52 |
| 89 | 3 1/2 | 8x13 | 4x11,1x11 | 1 | 4 | 35° | 4.35 |
| 89 | 3 1/2 | 8x13 | 4x11,2x9 | 1 | 4 | 35° | 4.28 |
| 89 | 3 1/2 | 8x14 | 5x12 | 1 | 2 | 35° | 4.58 |
| 89 | 3 1/2 | 8x13 | 6x12 | 1 | 2 | 35° | 4.42 |
| 89 | 3 1/2 | 9x12 | 6x10 | 1 | 3 | 35° | 4.62 |
| 102 | 4 | 8x15 | 4x15 | 1 | 2 | 35° | 7.38 |
| 102 | 4 | 8x14 | 4x12,1x12 | 1 | 4 | 35° | 7.25 |
| 102 | 4 | 8x14 | 4x12,2x12 | 1 | 4 | 35° | 7.28 |
| 102 | 4 | 8x14 | 6x12 | 1 | 2 | 35° | 7.15 |
| 102 | 4 | 9x13 | 8x13 | 1 | 3 | 35° | 7.42 |
| 115 | 4 1/2 | 8x15 | 4x13,2x13 | 1 | 4 | 35° | 9.54 |
| 115 | 4 1/2 | 8x15 | 7x14 | 1 | 2 | 35° | 9.75 |
| 115 | 4 1/2 | 9x14 | 8x14 | 1 | 2 | 35° | 9.72 |
| 127 | 5 | 8x16 | 7x14 | 1 | 2 | 35° | 12.15 |
| 127 | 5 | 9x16 | 8x14 | 1 | 3 | 35° | 14.42 |
