Item: en74 scaffolding forged putlog coupler
Size: 48.3mm x 48.3mm(1 29/32”x1 29/32”)
Material : carbon steel
Standard :BS1139 (1982 & 1991), EN74 class A & B, AS1576
Surface: self-colored, galvanized, hot dip galvanized
Nut size:17mm, 19mm, 21mm, 22mm, 23mm
Stype: British stype, American stype, Germany stype etc.