Hexagonal head self drilling screw with assembled EPDM washer 16mm, Hex head self drilling screw with steel and bonded washer, Hexagonal head sds, EPDM washer, bonded washer 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