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Washers (Fasteners)

Washers are flat sheet metal componentsusually in a round shaped profile with a center hole punched through, to accommodate the bolt through the nut or suitable threaded part. Washers are either used to distribute the load off the bolting or reduce the vibrations of the bolted joint. High quality bolted joint requires hardened steel washers to prevent the loss of pre-load due to the brinelling after the torque is applied.

Types of Washers (Fasteners)

  • Flat Washers
    Plain Flat Washers
  • Spring Lock Washers
    Spring Lock Washers
  • Tab Washers
    Tab Washers
  • Internal Tab Washers
    Internal Tab Washers
  • Square Washers
    Square Washers
  • Square Beveled Washers
    Square Beveled
  • Hex Washers
    Hex Washers
  • External Tooth Lock Washers
    External Tooth Lock
  • Internal Tooth Lock Washers
    Internal Tooth Lock
  • Curved Wave Washers
    Curved Wave Washer
  • Conical Spring Washers
    Conical Spring
  • Self Locking Washers
    Self Locking Washer
  • Dock Washers
    Dock Washers
  • Fender Washers
    Fender Washers
  • Ogee Washers
    Ogee Washers
  • Sealing Washers
    Sealing Washers
  • Countersunk Washers
    Countersunk Washer
  • Finishing Washers
    Finishing Washers

Most of these fastening washers are a product of sheet metal moulding, punching in cold forming or hot formed condition. However due to unavailability of required sheet metal stock, washers can be machined from suitable bar stock.

Washer Material Selection

Washer Dimension Standards