... of construction fasteners can be supplied by our company with competitive price and high quality. Fasteners Standards: ASTM ,EN74 ... , BS1139, etctypes:Right-angle fasteners with bolt /without boltWT:1.2KG 0.9kg,0.85kg,0 ... .15KG 0.9kg,0.85kg,0.80kgButt fasteners with bolt/without boltWT:1.10kg,1.035kg/1. ... 015kg,0.95kgRotary fasteners with bolt/without boltWT:1.2kg,1.1kg,1. ...