Professional embedded anchor bolt features: 1) L-hook length ≥4×bolt diameter for sufficient anchorage; 2) Hook inner radius R≥2d to avoid stress concentration; 3) Hot-dip zinc coating has strong adhesion (no spalling in hammer test); 4) Average zinc thickness ≥85μm, local minimum ≥70μm; 5) Threaded length customizable, typically 2-3×nut thickness; 6) Straightness ≤1mm/300mm for easy alignment; 7) Material yield strength ≥235MPa; 8) Hook angle 90°±2° ensuring vertical load capacity.
Common diameters M12 to M36, total length 200-1500mm. Specification parameters: 1) Threaded length typically 300mm, rest is plain shank; 2) Plain shank diameter tolerance h11; 3) Thread accuracy 6g; 4) Hook end flattened, length ≥3d; 5) Threads pass go/no-go gauge after galvanizing; 6) Zinc coating thickness test report per batch; 7) Bend area crack-free, surface smooth; 8) Weight tolerance ±5%; 9) Packed in anti-rust oiled paper; 10) Upper threads can be customized.
For various foundation fixings: 1) Equipment installation: Machine tool, press, generator base anchoring; 2) Steel structures: Factory column base, platform stanchion embedment; 3) Tower structures: Communication tower, lighting mast foundation; 4) Pipe supports: Pipe rack, trestle foundation; 5) Lifting equipment: Gantry crane, overhead crane rail foundation; 6) Building curtain walls: Embedded fixture systems; 7) Solar mounting: PV panel support structure foundation; 8) Seismic isolation: Building isolator embedment.
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