M8 x 8.4mm Locking Tab Washers (20mm Long Tab) | Marine Grade A4 Stainless Steel

Product code: WT93-M8-A4
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M8 x 8.4mm Locking Tab Washers (20mm Long Tab) | Marine Grade A4 Stainless Steel
M8 x 8.4mm Locking Tab Washers (20mm Long Tab) | Marine Grade A4 Stainless Steel
M8 x 8.4mm Locking Tab Washers (20mm Long Tab) | Marine Grade A4 Stainless Steel
M8 x 8.4mm Locking Tab Washers (20mm Long Tab) | Marine Grade A4 Stainless Steel
M8 x 8.4mm Locking Tab Washers (20mm Long Tab) | Marine Grade A4 Stainless Steel
M8 x 8.4mm Locking Tab Washers (20mm Long Tab) | Marine Grade A4 Stainless Steel
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Unit Price
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Unit Price
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1 - 99 £0.12 £0.14
100 - 999 £0.09 £0.11
1000 - 5999 £0.08 £0.10
6000 + £0.06 £0.07

£0.14 / each


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Product Specification
Size M8
Internal Diameter 8.4mm
Outside Diameter 22mm
Thickness 0.75mm
Tab Width 8mm
Tab Length 20mm
Standard DIN 93
Material A4 Stainless Steel

Next Day or Standard Delivery available via DHL or Royal Mail.
Order by 4pm (UK) for same day dispatch, Monday to Thursday or 2pm Friday.

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01233 713581


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M8 x 8.4mm DIN 93 Long Tab Washer | A4 Stainless Steel

Suitable for chemical and process-industry assemblies, this M8 Stainless Steel Long Tab Washer is manufactured to DIN 93 with a 8.4mm internal diameter and 22mm outside diameter. The extended 20mm tab is intended to stop unwanted fastener rotation once positioned against a suitable slot, face or retaining feature.

What Are DIN 93 Long Tab Washers?

DIN 93 Long Tab Washers are locking washers designed to prevent rotation of nuts, bolts or screws by using a protruding tab as a physical stop. After the washer is positioned, the long tab is bent or located against a suitable assembly feature so the fastener cannot rotate freely.

Common Applications

  • Mechanical Engineering: Supports locking of nuts, bolts and machine screws in fabricated components and general engineering assemblies.
  • Construction Assemblies: Provides a mechanical locking washer for compatible structural and fabricated metalwork connections.
  • Marine Equipment: Provides an anti-rotation washer for suitable marine and coastal assemblies when the appropriate stainless steel grade is selected.
  • Automotive Assemblies: Provides a positive anti-rotation feature for suitable bolted components used in vehicle and transport equipment.

M8 DIN 93 Long Tab Washer Dimensions

  • Size: M8
  • Internal Diameter: 8.4mm
  • Outside Diameter: 22mm
  • Thickness: 0.75mm
  • Tab Width: 8mm
  • Tab Length: 20mm
  • Material: A4 Stainless Steel
  • Standard: DIN 93

Key Benefits

  • 8mm tab width and 20mm tab length provide the mechanical locking feature.
  • Compatible with bolts, machine screws and nuts in correctly designed assemblies.
  • Mechanical locking action does not depend solely on friction between the washer and fastener.
  • M8 size with 8.4mm internal diameter matches the uploaded SKU specification.

Compare alternative sizes and stainless steel grades in the Stainless Steel Long Tab Washer DIN 93 range. For technical support with washer selection, speak with our team on 01233 713581.

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