Fastener 1.Material:Cast iron,carbon steel 2.Weight:0.05 to ... 4.Certificate: ISO9001 Construction Fastener 1. Material: Gray iron & ductile iron & malleable iron according to ASTM, DIN,JIS, EN, ISO, ... lock, drawer slides, lock body, padlock, door lock, furniture handle, door handle, hook etc. according customers requirements. Please ... quality, competitive price and on-time delivery. Cast iron Fastener