Custom Size Material Heavy Duty Aluminium Plastic Nylon Bronze Stainless Steel Self Drill Roofing Screws for Timber

Custom Size Material Heavy Duty Aluminium Plastic Nylon Bronze Stainless Steel Self Drill Roofing Screws for Timber. Custom Size Options: Available in sizes 10#, 12#, 14#, 4.8, 5.5, 6.3 with custom length 13mm-150mm. High Grade Material: Made from 1022A, SS410, SS304 stainless steel with Grade 12.9 strength. Versatile Standards: Complies with DIN, GB, ANSI, JIS, GOST, ISO, SAE, IFI, ASTM standards. Surface Treatment: Zinc plated and polished finish for enhanced durability and corrosion resistance. Free Samples: Free samples provided for standard fasteners; custom samples may incur mold fees. Industry Application: Designed for building industry applications including roofing and timber connections.