China DIN7991 Hexagon Socket Countersunk Head Cap
DIN7991 Hexagon Socket Countersunk Head Cap Screws Metric Spcifications as per DIN7991 standard Size M3 up to M20 Length 8mm up to 100mm Stainless steel 304, AISI316, 18-8 Carbon Steel Grade 8.8, 10.9, 12.9 Yellow Zinc Galvanizing, or Black Oxide, White Zinc Nickle and Chrome plated, brass coating, dacromet coating Silver coating, ruspert coating
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