BS EN ISO 3506 Special Stainless Threaded Fasteners
Stainless Steel Fasteners to BS EN ISO 3506 Grades A1, A2 (A3) & A4 (A5) General grades of Stainless steel fasteners are specified in BS EN ISO 3506 Part 1 covers bolts, screws & studs Part 2 covers nuts These specifications replace BS6105, which is withdrawn as a British Standard. Chemical Compositions The chemical compositions…