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Anchor Tool Self Drilling Anchor Bolt Threraded Bar Anchor Rods Introduction
Concrete Anchor Bolts for Coal Mining is a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured rock formations.Anchor Tool Self Drilling Anchor Bolt Threraded Bar Anchor Rods Parameter
Material | Yield strength | Tensile strength | Elongation | Yield Load | Tensile Load | Kg/m |
20MnSi | (MPa) | (MPa) | (%) | (KN) | (KN) | |
φ16 | >=345 | >=510 | >=25 | >=69 | >=100 | 1.6 |
φ18 | >=345 | >=510 | >=25 | >=87 | >=126 | 2 |
φ20 | >=345 | >=510 | >=25 | >=108 | >=156 | 2.5 |
φ22 | >=345 | >=510 | >=25 | >=131 | >=189 | 3 |