... ,9.8... PAN HEAD SELF TAPPIN SCREW,WASHER HEAD WOOD SCREW,SLOTTE COUNTERSUNK HEAD WOOD SCREW ... 20 GP container :22.6T-25.5Tadditioal processes Washer assembly,Heat treatment,Baking hydrogen,Anti-slipping patch ... more than 20 years experiences in screw,bolt,nut,washer,rivet, stud, pin,wrench and so on . ... We have special research person and more than 100 equipment to produce fastener.Perfect quality 1.The ...