R38 SELF DRILLING ANCHOR SYSTEM
Self Drilling Anchor Bolt
| Size | Outer Dia. (mm) | Inner Dia. (mm) | Sectional Area (mm²) | Ultimate Load (kN) | Yield Load (kN) | Agt (%) | Weight (kg/meter) |
|---|---|---|---|---|---|---|---|
| R38N-21 | 38.0 | 21.0 | 620 | 500 | 400 | ＞6% | 4.90 |
| R38N-19 | 38.0 | 19.0 | 700 | 500 | 400 | ＞10% | 5.50 |
| R38S-18 | 38.0 | 18 | 700 | 560 | 460 | ＞10% | 5.50 |
Anchor Coupler
| Thread Size | Length (mm) | Out Diameter (mm) | Unit Weight (kg) |
|---|---|---|---|
| R38 | 180.0 | 51.0 | 1.4 |
| R38 | 220.0 | 51.0 | 1.7 |
Anchor Nuts (Hexagonal type)
| Thread Size | Key Size (mm) | Length (mm) | Unit Weight (kg) |
|---|---|---|---|
| R38 | 50 | 60 | 0.50 |
Anchor Nuts (Spherical type)
| Thread Size | Key Size (mm) | Lenght (mm) | Unit Weight (kg) |
|---|---|---|---|
| R38 | 50 | 50 | 0.60 |
Plate (Domed type)
| Size | Dimensions (mm) | Thickness (mm) | Hole Dia. (mm) | Unit Weight (kg) |
|---|---|---|---|---|
| R38 | 200 x 200 | 12 | 41 | 3.8 |
Anchor Bit
| EX | All steel cross bit for loose to medium dense ground formations. |
|---|---|
| ES | Hardened button bit for weak cemented soil / sands and weak fractured rock formations. |
| EW | Clay bits for soft clay and soils. |
| EC | Hardened arch bit for loose to dense soil or sand formations. |
| EY | Hardened three cutters bit for weak cemented soil / sand and weak fractured rock formations. |
| EXX | TC cross bit for medium to strong fractured rock formations. |
| ESS | TC button bit for strong fractured rock formations. |
| ECC | TC arch bit for medium frctured rock formations. |
| EYY | TC three cutters bit for medium fractured rock formations. |
| Dia. | 42 | 51 | 76 | 90 | 100 | 115 | 130 | 150 | 175 | 220 | 250 | 280 | 300 | 350 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R32 | √ | √ | √ | √ | √ |
Bit Adapter
| Hollow Bar Size | Dirll Bit Size | Length （mm） | Unit Weight (kg) |
|---|---|---|---|
| R38 | R51 | 70 | 0.40 |
Centralizer
| Size | Out Diamter (mm) | Unit Weight (kg) |
|---|---|---|
| R38 | 78 | 0.3 |
