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 ... ; inserts of plastics; spot welding studs and standoffs; Knurl nuts; self-tapping threaded inserts; Blind rivets & rivet nuts, machine screws and washers ...