Heavy Duty Safety Washers

This product is currently out of stock and unavailable.

Heavy Duty Safety or Load Washers; are manufactured as per DIN 6796 and are designed specifically for Heavy Duty Bolted sections.

Standard Applications Include:

  • Bus Bars in Transformers
  • Automobile & Heavy construction
  • Agriculture & Heavy machinery
  • Mining & Turbine construction

These washers are intended to counteract the effect of setting which results in bolt/nut assemblies working loose. They do not effectively prevent loosening of the assembly under varying radial load and are designed for use with short bolts predominantly subject to thrust.

All HDS Washers are tested as per DIN 6796 and DIN 267: Part 26. They are recommended and designed for high strength bolts with Property Class 8.8 & 10.9.

Imperial sizes can be quoted on request.

Our stocked sizes are available in Plain, DELTA-PROTEKT & Mechanical Zinc Yellow.

Thicker sizes are supplied in phosphated & oiled condition and other materials are also available on request including various Carbon steel grades, Chrome Vanadium and Stainless Steels.

Need a higher load? We can also produce HDS washers with a reduced outside diameter to create more torque in tighter spaces. Just let us know and we’d be happy to act on your requests.

Bolt Size

M64, M105, M10, M8, M22 – 7/8, M45, M80, M5, M125, M14 – 9/16, M22, M30, M60, M100, M7, M20, M42, M76, M3, M120, M29, M27, M56, M95, M8 – 5/16, M2.5, M39, M72, M4, M115, M12, M16, M52, M90, M2, M18, M36, M68, M3.5, M110, M11 – 7/16, M14, M24, M48, M85, M6, M130, M16 – 5/8, M33, 1/2, 1″, 1/4, 3/8, 3/4

De

5.00, 6.00, 6, 7.00, 7.10, 7.40, 7.60, 8, 8.00, 8.90, 9.00, 10, 10.80, 10.90, 11.00, 11.40, 11.50, 12, 12.5, 13.50, 14.00, 14, 15, 16, 16.50, 16.60, 17.00, 18.00, 18, 18.50, 19.50, 19.60, 20, 21.00, 21.10, 22.5, 23, 23.00, 23.10, 25, 25.40, 28, 29.00, 29.00, 30.70, 31.5, 34, 34.50, 35.00, 35.5, 35.80, 39.00, 39.10, 39.99, 40, 41.90, 42.00, 45.00, 45, 47.00, 48.50, 49.00, 50, 55.00, 55.10, 56.00, 56, 58.40, 58.50, 60, 60.00, 63, 63.00, 70.00, 70, 70.10, 71, 74.90, 75.00, 76, 80.00, 80, 85.00, 85.10, 89.90, 90, 90.00, 95.00, 100.00, 100, 105.00, 110.00, 112, 115.00, 120.00, 125, 130.00, 135.00, 140, 145.00, 150.00, 150, 155.00, 160, 165.00, 170.00, 173.00, 178.00, 180, 200, 225, 250

Di

10.2, 10.50, 102, 11.2, 112, 12.2, 127, 14.2, 14.3, 15.00, 16.3, 18.3, 19.00, 2.20, 2.70, 20.4, 21.00, 22.4, 23.00, 25.00, 25.4, 25.5, 28.00, 28.5, 3.2, 3.20, 3.70, 30.5, 31, 31.00, 35.5, 36, 4.2, 40.5, 41, 46, 5.2, 51, 57, 6.2, 6.40, 61, 64, 7.2, 7.40, 71, 72, 8.2, 8.40, 81, 82, 9.2, 92, 10.30, 10.40, 7.10, 10.70, 103.40, 108.50, 113.30, 118.40, 11.40, 123.40, 128.50, 13.00, 13.50, 133.30, 15.20, 17.00, 19.50, 19.60, 20.00, 20.10, 21.30, 21.40, 25.40, 23.40, 25.30, 27.90, 28.40, 28.50, 3.40, 3.90, 31.40, 31.50, 34.30, 34.40, 37.30, 37.40, 4.30, 63.00, 4.40, 40.40, 43.20, 46.20, 49.50, 49.60, 5.30, 5.40, 53.60, 59.10, 59.20, 6.50, 6.60, 63.10, 67.10, 7.20, 71.10, 75.10, 75.20, 79.00, 79.10, 8.60, 8.70, 83.10, 88.10, 92.50, 97.30, 3.30, 3.80

Thickness

0.20, 0.25, 0.30, 0.35, 0.40, 0.45, 0.50, 0.60, 0.70, 0.80, 0.90, 1.00, 1.10, 1.20, 1.25, 1.50, 1.75, 10.00, 11.10, 11.25, 11.35, 11.40, 12.00, 12.10, 12.90, 13.00, 13.10, 13.20, 14.00, 14.70, 16.00, 2.25, 2.70, 2.75, 3.50, 3.75, 3.80, 4.00, 4.50, 4.70, 4.75, 4.80, 5.00, 5.50, 5.60, 5.65, 5.80, 6.00, 6.50, 6.55, 7.40, 7.50, 7.60, 8.00, 9.20, 9.30, 9.45, 9.50, 1.80, 2.00, 2.20, 2.50, 3.00, 3.20, 9.00, 4.60, 6.80, 7.00, 9.40, 4.30, 6.60, 3.30

Height

0.40, 0.45, 0.55, 0.60, 0.65, 0.70, 0.72, 0.75, 0.80, 0.85, 0.90, 0.95, 1.00, 1.05, 1.06, 1.10, 1.15, 1.20, 1.25, 1.3, 1.30, 1.35, 1.40, 1.45, 1.50, 1.55, 1.60, 1.65, 1.70, 1.75, 1.80, 1.85, 1.90, 1.95, 10.00, 10.30, 10.40, 10.50, 10.60, 10.80, 10.90, 11.00, 11.10, 11.20, 11.70, 11.80, 12.00, 12.50, 13.00, 13.50, 13.60, 14.00, 14.20, 14.22, 14.50, 14.80, 15.50, 15.60, 16.20, 16.50, 16.60, 16.80, 17.00, 17.50, 18.00, 18.10, 18.20, 18.80, 19.00, 19.30, 19.60, 2, 2.05, 2.10, 2.15, 2.20, 2.25, 2.3, 2.30, 2.35, 2.40, 2.45, 2.50, 2.55, 2.6, 2.65, 2.75, 2.80, 2.85, 20.50, 21.80, 3.05, 3.10, 3.15, 3.2, 3.30, 3.40, 3.45, 3.50, 3.60, 3.75, 3.85, 3.90, 3.95, 4.00, 4.10, 4.15, 4.20, 4.25, 4.30, 4.40, 4.50, 4.60, 4.65, 4.70, 4.75, 4.80, 4.90, 5., 5.00, 5.10, 5.20, 5.25, 5.30, 5.50, 5.60, 5.70, 5.8, 5.80, 6.00, 6.10, 6.20, 6.30, 6.4, 6.40, 6.70, 6.90, 7.00, 7.05, 7.20, 7.75, 7.80, 8.00, 8.20, 8.35, 8.50, 8.70, 8.90, 9.00, 9.2, 9.30, 9.40, 9.60, 9.90

Packet Qty

30, 40, 1, 5, 10, 20, 25, 50, 100, 200

Finish

Plain, Delta Protekt (Zinc), Zinc Yellow

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Heavy Duty Safety or Load Washers; are manufactured as per DIN 6796 and are designed specifically for Heavy Duty Bolted sections.