Our friction bolts are rollformed into a C shape by high tensile steel band. One end is tapered for easy insertion into a drill hole. The other end has a welded ring to hole the bearing plate.
Features
| Dimensions | TRFB33 | TRFB39 | TRFB42 | TRFB47 |
| Taper Diameter (mm) A | 27 27 | 32 32 | 36 36 | 40 |
| Taper Length (mm) B | 45 45 | 55 55 | 60 60 | 65 |
| Sloth Width (mm) C | 10 10 | 14 14 | 17 17 | 20 |
| Wall Thickness (mm) D | 2.5 3.0 | 2.5 3.0 | 2.5 3.0 | 3.0 |
| Bolt Size (mm) E | 33 33 | 39 39 | 42 42 | 47 |
| Ring Diameter (mm) | 6.0 6.5 | 6.5 7.0 | 7.0 7.5 | 7.5 |
| Technical Data | TRFB33 | TRFB39 | TRFB42 | TRFB47 |
| Drill Hole Diameter (mm) | 28-32 28-32 | 35-38 35-38 | 38-41 38-41 | 42-46 |
| Min Yield Strength (kn) | 80 96 | 90 105 | 99 116 | 120 |
| Min Tensile Strength (kn) | 107 120 | 115 140 | 127 154 | 165 |
| Typ Tensile Strength (kn) | 120 136 | 130 155 | 143 170 | 180 |
| Elongation (%) | ≥16 ≥16 | ≥16 ≥16 | ≥16 ≥16 | ≥16 |
| Typ Anchorage (ton) | 3-6 3-6 | 3-6 3-6 | 5-8 5-8 | 6-10 |
| Bearing Plate (mm) | 150*150*4 | 150*150*4(5) | 150*150*5 | 150*150*5 |