8.4mm Curved Washer (M8 x 15mm) DIN 137A | A1 Stainless Steel

Product code: WWA137A-M8-A1
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8.4mm Curved Washer (M8 x 15mm) DIN 137A | A1 Stainless Steel
8.4mm Curved Washer (M8 x 15mm) DIN 137A | A1 Stainless Steel
8.4mm Curved Washer (M8 x 15mm) DIN 137A | A1 Stainless Steel
8.4mm Curved Washer (M8 x 15mm) DIN 137A | A1 Stainless Steel
8.4mm Curved Washer (M8 x 15mm) DIN 137A | A1 Stainless Steel
8.4mm Curved Washer (M8 x 15mm) DIN 137A | A1 Stainless Steel
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Product Specification
Size M8
Internal Diameter 8.4mm
Outside Diameter 15.0mm
Thickness 0.5mm
Height 3.40mm
Standard DIN 137A
Material A1 Stainless Steel

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M8 Curved Spring Washer - 8.4mm ID x 15mm OD | A1 Stainless Steel | DIN 137A

Manufactured for industrial equipment, machinery guards and general engineering, this M8 curved spring washer provides a simple mechanical method of maintaining preload in a threaded assembly. The A1 Stainless Steel washer flexes under compression and its curved form helps resist loosening caused by vibration or movement. This size is also relevant when comparing stainless steel wave washer options for compatible threaded assemblies.

What Are DIN 137A Curved Spring Washers?

DIN 137A Curved Spring Washers are bowed washers that flatten under load and act as a compact spring within a threaded joint. This spring action helps maintain tension on the fastener which can reduce loosening caused by vibration, movement or settling of the assembled parts.

Common Applications

  • Industrial Machinery: Helps maintain tension on bolts and machine screws used in equipment exposed to vibration or repeated movement.
  • Mechanical Assemblies: Supports secure fastening where small movements or settling could otherwise reduce joint tension.
  • Maintenance and Repair: Replaces worn or missing spring washers in machinery and equipment using DIN 137A dimensions.
  • Electronic Assemblies: Smaller sizes can be used where compact spring preload is required around threaded fixings in electronic equipment.

M8 DIN 137A Curved Spring Washer Dimensions

  • Size: M8
  • Internal Diameter: 8.4mm
  • Outside Diameter: 15.0mm
  • Thickness: 0.5mm
  • Height: 3.40mm
  • Material: A1 Stainless Steel
  • Standard: DIN 137A

Key Benefits

  • Also commonly referred to as a wave washer, curved washer or spring locking washer.
  • M8 size with 8.4mm internal diameter matches the uploaded SKU specification.
  • 3.40mm formed height gives the curved washer its spring deflection before compression.
  • Curved profile compresses under fastening load and helps maintain axial tension in the joint.

View the complete DIN 137A Curved Spring Washer range to compare metric sizes and dimensions. For help selecting the correct washer for your threaded fastener, contact the Vital Parts technical sales team on 01233 713581.

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