Product Name: Self Drilling Screw Tek Screw Roofing Screw/Bi metal Screw Model NO.: 3.5/4.2/4.8/5.5/6.3/M8 Customized: Non-Customized Certification: ISO, RoHS, CE, SGS Surface Finishing: Zinc Plated Shape of Head: Hexagon Material: C1022/304/410/316 Head Type: Hex Flange Head Point: Self Tapping Point Type: Countersunk Head Head Style: Hex Washer Head Connection: Self Drilling Grade: Carbon Steel Package: 200PCS/Bag Trademark: XM Transport Package: Box in Carton, Bulk in Carton, PP Bag/ as Required Specification: DIN, ANSI, GB Origin: China HS Code: 7318140000 Product Description Beyond screw inception in 2004, has a complete range of processing equipment and production lines, adopts Taiwan manufacture technology and experiences also we possess advanced equipment and production lines and a group of outstanding technicians and administrative personnel.We are professional manufactureand export stainless steelself drilling screw, tapping screw, sealing screw, wood screw, bolts, drywall screw, machine screws etc, material brand C1022C10B21 SUS410 302 304 305 316 316Ti etc.We usually have stock for pan head, flat CSK head, truss head, hex washer head ,hex flange head in material SS410 & SS304 self drilling screws, size as below:4.2-18X13,16,19,25,32,38,504.8-16X13,16,19,25,32,38,505.5-24X13,16,19,25,32,38,50,63,75,90,100,110,125,1506.3-14X13,16,19,25,32,38,50,63,75,90,100,110,125,150Manufacture length up to 300mm, and other head type is available.Plating: color zinc plating, white zinc plating, blue zinc plating, black zinc plating, phosphated, dacrotized, ruspert, xylan,Epoxy etc.Washer :PVC washer, nylon washer, EPDM bonded washer, EPDM washer, nylon cap etc.Drill Capacity: Drilling to 15.8mm steel panel, salt spray test up to 2000hours.Beyond has many years of professional production experience and technology to provide the best service and quality products, the company has been the Beyond ideas and spirit.Whether you are an industrial manufacturer, OEM or wholesale distributor, professional contractor supplier, or retail operation, we understand your needs and have the experience and capability of consistently meeting them.If you are interested in these products, please feel free to contact us.Welcome to order or visit with samples or drawing.