Hexagon Head Roofing screws
1) Diameter of the self drilling screw : 4.2mm - 6.3mm, #8 - #14
2) Length: 13mm - 152mm 1/2" - 6"
3) Washer Type: Rubber, EPDM and steel bondled washer.
4) Material: C1022,C1018
5) Finish: Zinc ,blue,white,or yellow
6) Drilling No.:2,3,4,5
7) Package: 200/500/1000 pcs/box, or bulk,or others
8) Package :Carton, Box, Bag, Pallet ,or others
Haiyan Secon Fastener Co., Ltd, founded in 2008, is a professional Threaded rod & Screw manufacturer specializing in Threaded rod, Drywall screw,Roofing screw,Self drilling screw, Chipboard screw,Self tapping screw, Wood screw, etc. With a lot of Years of fasteners experiences, now we have a highly qualified Management Team and professional product and export department.The production are widely sold to America, Europe, Australia, South America, Africa by our export company Haiyan Secon Imp. & Exp. Ltd.