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Structural Difference, Single-side Riveting Selection & Foreign Trade Brand Control Specification For Import Rivet Brands HUCK & AVDEL

Structural Difference, Single-side Riveting Selection & Foreign Trade Brand Control Specification For Import Rivet Brands HUCK & avdel

Overseas steel structure and bus projects usually specify HUCK lockbolts for heavy permanent connection and avdel blind rivets for light sheet sealing. Mismatch leads to structural crack and water leakage, rejected by overseas supervisors. Fastener_hk stocks original rivets and matching riveting tools in Hong Kong warehouse.

1. Core Performance & Application Comparison Between HUCK & avdel

Performance Item HUCK Lockbolt avdel Blind Rivet
Locking Structure Permanent ring groove mechanical lock, no loose mandrel risk Single-point clamping after mandrel break, light connection only
Tensile & Shear Strength 2.2~2.8 times stronger than blind rivets for heavy load permanent structure Medium strength, only for static light sheet metal
Waterproof Grade IP67 sealed version for long-term marine & outdoor environment IP54 sealed type, indoor or light rain use only
Disassembly Permanent, can only be removed by destruction One-time use, scrap after disassembly
Main Export Applications Steel bridge, container, bus body, machinery frame Electric cabinet, PV frame, small equipment aluminum housing

2. Mandatory Riveting Operation Notes

1. HUCK: Original hydraulic riveter mandatory, clamping thickness follow brand standard strictly; SUS316L grade for coastal salt spray projects; 2. avdel: Sealed aluminum type required for outdoor waterproof; max 3 layers sheet stacking, cannot replace HUCK for load-bearing vehicle & bridge structure.

3. Foreign Trade Customs & Audit Control Rules

1. Customs declaration: Fill complete brand name, provide original agency authorization to avoid IP inspection detention; 2. Project audit documents: Fastener_hk supplies original strength & salt spray test CO certificate for overseas supervisors; 3. Lead time: Large HUCK lockbolts 40-60 days factory lead time, small AVDEL rivets spot stock in Hong Kong; 4. Replacement ban: No domestic substitute allowed if drawing marks HUCK lockbolt for structural projects.

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