Product Name: Tek Screw /Self Drilling Screw /Roofing Screw/ Tapping Screw Bolts Model NO.: No 5 point 5.5x50 Customized: Non-Customized Certification: ISO, RoHS, SGS Surface Finishing: Zinc or Ruspert Shape of Head: Hexagon Material: Carbon Steel Raw Material: Stainless Steel 304, 316 Corrossion-Free Certificate: Ce, ISO 9001 Used Industry: Hotel, Hospital, Laundry Shop, School, Factory Finish: Ruspert,Epoxy Finish Standard: as 3566 Color: Gray/Green/Black/Silver Washer: PVC,EPDM,EPDM Bond Washer Twist Point: Can Be Transport Package: Box in Carton, PP Bag, Bulk in Carton/ 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,Beyond has 12 years of professional production experience and technology to provide the best service and qualityQuality products, the company has been the Beyond ideas and spirit.Professional manufacturing: self drilling screw, self tapping screw, special screw, machine screw, all kinds of hardware manufacturing,Whether you are an industrial manufacturer, OEM or wholesale distributor,professional contractor supplier, orretail operation, we understand your needs and have the experience and capability of consistently meeting them.Welcome to order or visit with samples or drawing.Beyond Industry Groups Ltd professional manufacture and export stainless steel self drilling screws, tapping screws, wood screws, bolts, drywall screws, machine screws etc, material brand C1022 C10B21 SUS410 302 304 305 316 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, etc.Thread: Cutting thread, cutting point, type 17, self tapping, self drilling etc.Drill Capacity: Drilling to 10mm steel panel, salt spray test up to 2000hours.If you are interested in these products, please feel free to contact us.