... ,10.9...... Brass Set Screw,Antique Brass Screws,Brass Screw Plug . 1.What’s the specification of our Products ? MaterialCarbon steel ... ,Ball head,Button head...Socket typePhillip type,Pozi type,Eleven type,hexagonal type,Torx type,trangle type,slotted point type,square type,Combined type...FinishZinc plated,Nickel plated,Dacroment ...