Description Brand DD Fasteners Specification Double Thread Self-drilling Screw Head Reces H.W.F Undercut FOB Price $ 0.01~$ 0.08/piece Payment Terms T/T Material Carbon Steel/ Stainless steel 304/410 Surface Treatment Znic Plated / Yellow Zinc/Magin/Ruspert/E-coating Diameter 5.5/6.3 Lenth 48-125mm 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