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- Contact Person : Ms. Cao Bommie
- Company Name : Zhengzhou Eternoo Machinery Co., Ltd.
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self drilling hollow grouting anchor bolt
Product Detailed
Related Categories:Anchors
1)Drilling, grouting, anchoring accomplish at a time
2)standard:TB/T 3209-2008-hollow bolt technical condition
3)alloy bit
1.standard
TB/T 3209-2008<hollow bolt technical condition>
2. component
Spherical nut: surrounding rock stress concentration can be passed to the plate.Vaulted pad: can accept more of the surrounding rock stress.The plasma plug: to keep certain pressure grouting surrounding rock fully filling the gap.The body: the international standard waveforms thread connection, convenient in drill installation, sets coupling, nuts tighten, and any cutting and lengthen connectionLink set: make bolt drilling and lengthening to the depth of the design at the same timeBit: strong penetration, so that the anchor can go through all kinds of rockmodel | Nominal diameter(mm) | Nominal thickness(mm) | Yield strength (MPa) | Tensile strength(MPa) | Yield stress(KN) | Max strength(KN) | Elongation rate(%) |
φ25×5 | 25 | 5 | 325 | 490 | ≥102 | ≥153 | ≥21 |
φ25×7 | 25 | 7 | 325 | 490 | ≥128 | ≥193 | ≥21 |
φ28×5.5 | 28 | 5.5 | 325 | 490 | ≥126 | ≥190 | ≥21 |
φ32×6 | 32 | 6 | 325 | 490 | ≥159 | ≥240 | ≥21 |
self drilling hollow grouting anchor bolt
