Colorful Cap Hex Flange Head Self Drilling Screw, Roofing Screw, RAL Screw, colourful painting head self drilling screw, color head sds ,  head self drilling screw, roofing screw,tek screw Description Name Hex Color head SDS Brand DD Fasteners Standard DIN/ GB/ ANSI/ BS FOB Price $ 0.01~$ 0.08/piece Payment Terms T/T Material 410Stainless Steel Finish Znic Plated / Blue white zinc , 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 /Qingdao