Beijing Jincheng Mining Technology Co., Ltd.
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RC Reverse Circulation Drilling Bits for drilling
Specification
| Specification | Head Shape | Head Diameter(mm) | Shank Length | Spline | Port Holes | Weight(Kg) | |
| RE004 | RE004-115 | Drop-Center Face | 115 | 271 | 8 | 2 | 11.5 |
| RE004-121 | Drop-Center Face | 121 | 271 | 8 | 2 | 12.1 | |
| RE004-124 | Drop-Center Face | 124 | 271 | 8 | 2 | 12.3 | |
| RE004-127 | Drop-Center Face | 127 | 271 | 8 | 2 | 12.5 | |
| RE542 | RE542-121 | Drop-Center Face | 121 | 225 | 8 | 2 | 10.7 |
| RE542-124 | Drop-Center Face | 124 | 225 | 8 | 2 | 11 | |
| RE542-127 | Drop-Center Face | 127 | 225 | 8 | 2 | 11.2 | |
| RE542-133 | Drop-Center Face | 133 | 225 | 8 | 2 | 11.4 | |
| PR52 | PR52-133 | Drop-Center Face | 133 | 282 | 8 | 2 | 16.5 |
| PR52-136 | Drop-Center Face | 136 | 282 | 8 | 2 | 16.7 | |
| PR52-140 | Drop-Center Face | 140 | 282 | 8 | 2 | 16.9 | |
| PR52-143 | Drop-Center Face | 143 | 282 | 8 | 2 | 17.1 | |
| PR54R | PR54R-136 | Drop-Center Face | 136 | 261 | 8 | 2 | 18.3 |
| PR54R-140 | Drop-Center Face | 140 | 261 | 8 | 2 | 18.5 | |
| PR54R-143 | Drop-Center Face | 143 | 261 | 8 | 2 | 18.7 | |
| PR54R-146 | Drop-Center Face | 146 | 261 | 8 | 2 | 18.9 | |
| PR54R-165 | Drop-Center Face | 165 | 261 | 8 | 2 | 21 | |
| PR54R-178 | Drop-Center Face | 178 | 261 | 8 | 2 | 22.5 | |
Certification
Features
1) Face design: flat, convex, concave
2) Inserts design: spherical, ballistic, parabolic
3) Designed to work with RC hammers
4) Bit diameter: 90mm to 213mm
5) Reliable quality
6) Long service life
7) Smooth flushing effect
Delivery