Hardened Washer
Hardened Flat washers
Hardened Flat washers are used under bolt heads or nuts to increase the bearing area and to offer hardness so that the nut or bolt can be rotated without distortion of the bearing surface. Hardened Flat washers are used to give tightness to a joint, to prevent leakage, and especially to distribute pressure under the head of a nut or bolt. Globally sold F436 and F436M American specification hardened washer and DIN 6916 and 6340 washers are commercial spec washers. For the construction market, there is a range of hardened washers to both BS EN14399-6/9 and 15048.
Metric Load Indicating Washer DTI with Pips Hardened Steel HSFG BS EN 14399-9
Metric Flat Washer HSFG Steel BS EN 7091 ASSEMBLY BS EN 15048
Inch Structural Washer RC 38-45 Hardened Steel F436
Metric Structural Washer RC 38-45 Hardened Steel F436M
Metric Hardened Washer C45 HSFG Hardened Steel DIN6916
Inch Structural Washer RC 38-45 Clipped Hardened Steel F436
Metric Hardened Washer Steel Hv30 DIN6340
Metric Hardened Flat Washer HSFG Hardened Steel BS EN 14399-9
Metric Hardened Chamfered Flat Washer HSFG Hardened Steel BS EN 14399-6
Metric Hardened 35/45 HRC Structural Steel Washer AS1252
Metric Thrust Bearing Flat Washer Hardened & Ground Steel