Shenzhen dreeter specializes in the production of PEM standard high strength riveting screws HFHS. Material: stainless steel SUS304, thread specifications:,M5,M6, M8, M10, 032,0420,0518,0616. A large number of various specifications/HHS -M5-15/ HHS -M5-20/ HHS -M5-25/ HHS -M5-30/ HHS -M6-20/HF HS - M10-25 / / HFHS - M10 HFHS - M10-30-35 / HFHS - 032-8 / HFHS - 032-12 / HFHS - 032-16 / / HFHS HFHS - 032-20-032-24 / HFHS - 0420-8 / HFHS - 0420-12 / HFHS - 0420-16 / / HFHS HFHS - 0420-20-0420-24 / HFHS - 0518-8 / HFHS - 0518-12 / HFHS - 0518-16 / HFHS - 0518-20 / HFHS - 0518-24 / HFHS - 0616-12 / HFHS - 0616-16 / / HFHS HFHS - 0616-20-0616-24 / HFHS - 0616-28 / HFHS - M5 - / HFHS 50-032-32 / HFHS - M10-50 / HFHS - M8 - / HFHS 50-0518-32