1)Materials: Titanium alloy 2)Finish:Precision grinding. 3)Delivery time:15~18 ... material Aluminum, Carbon steel, Stainless steel,Brass, Titanium alloy,Tungsten steel ,POM, etc .Surface treatmentPolishing, Powder coating, Spraying, Anodising, Zinc Plating and ... provided to our distributor. furniture thread screw ,thread hollow screw titanium furniture thread acme lead inserts screw