Class 5.6 bolts are not very strong and they are flexible and forgable. therefore 5.6 bolts are only manufactured with Coarse Threads from M5 to M36
Manufacturer, Importer, Wholesaler, Retailer, Exporter
Bolt and Nut, Hex Bolt, Socket Cap Head Screw, Stud Bolt, Hex Nut, Flat Washer, Split Washer, Iran Fastener Manufacturer
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