- Contact Person : Ms. Huang Hedy
- Company Name : Maxdrill Rock Tools Co., Ltd.
- Tel : 86-851-8639106
- Fax : 86-851-8639108
- Address : Guizhou,Guiyang,6/F Zhongtian Business Fortune Plaza,Dusi Road,Guiyang,Guizhou,China
- Country/Region : China
- Zip : 550001
MAXDRILL Self-drilling Rock Bolt/ rock anchoring
Structure of self-drilling bolt
I. Self-drilling hollow anchor bar | |||||||||||
| Outer side diameter | Average Internal diameter | Effective external diameter | Aver.eff. Cross sectional area | Ultimate load capacity | Yield load capacity | Average tensile strength Rm | Average yield strength Rp0,2 | Theorical weight | Thread type | |
| mm | mm | mm | mm2 | KN | KN | N/mm2 | N/mm2 | KG/m |
| |
R25N | 25 | 14 | 23 | 290 | 200 | 150 | 690 | 520 | 2.3 | ISO 10208 | |
R32N | 32 | 18.5 | 29.1 | 430 | 280 | 230 | 650 | 530 | 3.4 | ||
R32S | 32 | 15 | 29.1 | 520 | 360 | 280 | 690 | 540 | 4.1 | ||
R32L | 32 | 22 | 29.1 | 340 | 220 | 180 | 650 | 530 | 2.7 | ||
R38N | 38 | 19 | 35.7 | 770 | 500 | 400 | 650 | 520 | 6.1 | ||
R51L | 51 | 36 | 47.8 | 890 | 550 | 450 | 620 | 510 | 7.0 | ||
R51N | 51 | 33 | 47.8 | 1070 | 800 | 630 | 750 | 590 | 8.4 | ISO 1720 | |
T76N | 76 | 51 | 76 | 1900 | 1600 | 1200 | 840 | 630 | 15.0 | ||
T76S | 76 | 45 | 76 | 2500 | 1900 | 1500 | 760 | 600 | 19.7 | ||
Anchor plate | 120mm X 120mm X 6mm | 150mm X 150mm X 8mm | 200mm X 200mm X 10mm | ||||||||
Anchor nut | SW41 x H35 | SW46 x H45 | SW65 x H55 | ||||||||
Coupling | D35 x L150 | D41 x L160 | D55 x L170 | D64 x L120 | |||||||
Drill Bit | According to different condition, choose alloy, steel… Bit, custom design is available. | ||||||||||
(1)Diameter: R25, R32, R38, R51, T76.
(2)Max. Tensile Load: 200-1900KN.
(3)Yield Load: 150-1500KN.
(4)Standard length: we can supply any length according to construction require.
(5)Productivity: 400MT/ month
We can supply all the accessories including anchor bits, coupling, spherical nuts, plates, and stopper.
MAXDRILL Self-drilling Rock Bolt/ rock anchoring
