Andrews Fasteners Ltd

AndFast Malaysia SDN BHD

The Fasteners Specialist

0113 246 9992
+44 (0) 113 246 9992

EN 14399 Mechanical properties for Washers

Mechanical Properties

EN 14399 Part 5: Plain Washer

Mechanical PropertiesRequirement
VICKERS HARDNESS300 HV to 370 HV

BS EN 14399-5: High-strength structural bolting assemblies for preloading. Plain washers

EN 14399 Part 6: Plain Chamfered Washer

Mechanical PropertiesRequirement
VICKERS HARDNESS300 HV to 370 HV

BS EN 14399-6: High-strength structural bolting assemblies for preloading. Plain chamfered washers

EN 14399 Part 9: Nut Face / Bolt Face Washer

Mechanical PropertiesRequirement
HEAT TREATMENTHARDENED AND TEMPERED
ROCKWELL HARDNESS38 HRC TO 45 HRC
VICKERS HARDNESS372 HV30 TO 448 HV30

BS EN 14399-9: High strength structural bolting for preloading. System HR or HV. Direct tension indicators for bolt and nut assemblies

EN 14399 Part 9: Direct Tension Indicators (DTI)

Direct Tension Indicators Washer Direct Tension Indicators Washer

Mechanical PropertiesRequirement
HEAT TREATMENTHARDENED AND TEMPERED OR CONTROLLED ROLLED AND TEMPERED
MAXIMUM HARDNESS380 HV (~38.8 HRC)

BS EN 14399-9: High strength structural bolting for preloading. System HR or HV. Direct tension indicators for bolt and nut assemblies

Washers to be used with high strength structural bolting for preloading. System HR or HV.