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18 March 2015
BS EN 14399 Part 5: Plain Washer Mechanical Properties Requirement Vickers hardness 300 HV to 370 HV BS EN 14399-5: High-strength structural bolting assemblies for preloading. Plain washers
BS EN 14399 Part 6: Plain Chamfered Washer Mechanical Properties Requirement Vickers hardness 300 HV to 370 HV BS EN 14399-6: High-strength structural bolting assemblies for preloading. Plain chamfered washers
BS EN 14399 Part 9: Nut Face Washer / Bolt Face Washer Mechanical Properties Requirement heat treatment hardened and tempered Rockwell hardness 38 HRC to 45 HRC Vickers hardness 372 HV30 to 448 HV30 BS EN 14399-9: High strength structural bolting for preloading.
Read more about BS EN 14399 Mechanical properties for Washers ↬
Read more about BS EN 14399 Mechanical properties for Washers ↬