set screws 1. Product name: Set screw 2. Material; Alloy Steel,Stainless steel 304, 316e 3.Surface; Zinc, chrome or nickel Product Name: Set screw (din913, din914, din915, din916) Material:Alloy Steel(SCM435, 30MnV),Stainless steel 304, 316 Surface:Zinc(white, blue, yellow, black)darkening, chrome or nickel plated. Size:M2 to M24 #6 to 1" Length: 2mm to 300mm Kunshan Zhonggu Precision hardware co ...