Self-drilling anchor system is a type of ground anchor used to provide stability in soil or rock formations. For application in soil nailing, rock bolting, micro-pipling, tunneling, mining and infrastructure.
| Size | O.D. (mm) | I.D (mm) | Sectional Area (mm²) | Ultimate Load (kN) | Yield Load (kN) | Agt | Weight (kg/m) | |
| T40 | T40-16 | 40.0 | 16.0 | 900 | 660 | 525 | ＞10% | 7.10 |
| T40-20 | 40.0 | 20.0 | 710 | 540 | 425 | ＞10% | 5.60 | |
| Thread direction | Left hand | |||||||
| Thread standard | Internatioanl standard | |||||||
| Thread size | Length(mm) | Out Diameter(mm) | Unit Weight(kg） |
| T40 | 140.0 | 54.0 | 1.1 |
| 140.0 | 57.0 | 1.3 | |
| Steel grade | As per request | ||
| Thread direction | Lift hand | ||
| Thread standard | Internatioanl standard | ||
| Hardness (HRC) | HRC25 ~ HRC30 | ||
| Features | All are designed with a middle stop; O rings are available as per request. | ||
| Size | SW (mm) | L (mm) | Unit Weight (kg) |
| Spherical Nut | |||
| T40 | 65 | 50 | 0.90 |
| Steel grade | As per request | ||
| Thread direction | Lift/Right hand | ||
| Thread standard | Internatioanl standard | ||
| Hardness (HRC) | HRC25 ~ HRC30 | ||
| Features | All nuts are machined and with chamfered edges to suit both domed plates and solid plates. | ||
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EX | All steel cross bit for loose to medium dense ground formations. |
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ES | Hardened button bit for weak cemented soil/sands and weak fractured rock formations. |
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EC | Hardened arch bit for loose to dense soil or sand formations. |
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EY | Hardened three-cutters bit for weak cemented soil/sand and weak fractured rock formations. |
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EXX | TC cross bit for medium to strong fractured rock formations. |
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ESS | TC button bit for strong fractured rock formations. |
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ECC | TC arch bit for medium fractured rock formations. |
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EYY | TC three cutters bit for medium fractured rock formations. |
| Bit Matrix | ||||||||||||||
| Dia. | 42 | 51 | 76 | 90 | 100 | 115 | 130 | 150 | 175 | 220 | 250 | 280 | 300 | 350 |
| T40 | √ | √ | √ | √ | ||||||||||
| Thread standard | ISO10208 / ISO 1720 / International standard |
| Thread direction | Left Hand / Right Hand |
| Hardness | HRA87 ~ HRA90 for TC bits, HRC48 ~ HRC55 for all steel bits |
| Size | Solid Plate | ||
| A x A x B (mm) | D (mm) | Weight (kg) | |
| T52 | 200 x 200 x 12 | 56 | 3.5 |
| Note | Other dimensions are available upon request. | ||
| Size | Outside Diameter (mm) | Unit Weight (kg) |
| T40 | 88 | 0.45 |
| Anchor Bolt Size | Anchor Bit Size | Length (mm) | Unit Weight (kg) |
| T40 | T52 | 60 | 0.35 |
