Self drilling screws

Length:8.5to200mm Materials:carbon/stailness steel Standard:GB/ANSI/IFI/DIN/JIS STYLES PAN OVAL H.W.H H.W.F C.S.K LARGE WAFER BUGLE PANCAKE TRUSS PANFRAMING HINGE WAFER HEAD RECESS PHILIPS4RIBBS POZI PHILIPS SQUARE H.W.F UNDERCUT FLOWER HEAD H.W.H SERRATION PLATING PLAIN YELLOW ZINC ZINC BLACK POSPHATED GREY PHOSHPHATED BLACK ZINC BLACK OXIDE DACROTIZED RUSPERT XYLAN we produce all kinds of screws according to customers' requirment.We are ready to cooperate with all valued customers and will offer you the top products as well as good service.Packing:Small boxes then in big carton .or according to customers' requirements.