Colorful Plastic Cap Nylon Hex Flange Head Self Drilling Screw, Roofing Screw, RAL Screw,Nylon head self drilling screw, plastic head self drilling screw, whithe head self drilling screw Description Brand DD Fasteners Standard DIN/ GB/ ANSI/ BS FOB Price $ 0.01~$ 0.08/piece Payment Terms T/T Material 1022A Carbon Steel/ Stainless steel Surface Treatment Znic Plated / Blue white zinc /Dacromet Diameter #6 #7 #8 #10 #12 #14 Lenth 13mm~350mm Supply ability Supply ability 5000tons/ per month OEM Service Yes Min.Order Quantity 1Ton/ Tons Ppackaging& Delivery Packaging Details Bags/ Boxes / pallet  Port Tianjin / Yiwu/ Shanghai Port Nylon head self drilling screw color head self drilling screw 1022a selfdrilling screw Carbon screw zinc plated screw