many types of construction fasteners can be supplied by our company with competitive price and high quality. Fasteners Standards: ASTM ,EN74 , BS1139, etctypes: ... without boltWT:1.10kg,1.035kg/1.015kg,0.95kgRotary fasteners with bolt/without boltWT:1.2kg,1.1kg,1.035kg ... our products,please contact us .Waiting for your detailed requirements. construction fasteners,construction buckles,pipe fittings