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