... . b)48.3mm C)HDG or electrical galvanized D)weight:1.10--1.15kg Drop Forged Swivel Coupler, British Style, made as ... per EN-74/BS1139. Specifications: 1) size: 48.3*48.3mm2) Min Slip Load:10Mpa3) Distortion ... 5) superficial treatment: HDG, galvanized, or spray painted 6) Weight: 1.12--1.18KG We are a leading scaffolding manufacturer and exporter, based ...