4.3mm x 8.0mm (M4) Retaining Washer (3-Pronged) 0.5mm Thickness | Nylon

Product code: WASH103
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4.3mm x 8.0mm (M4) Retaining Washer (3-Pronged) 0.5mm Thickness | Nylon
4.3mm x 8.0mm (M4) Retaining Washer (3-Pronged) 0.5mm Thickness | Nylon
4.3mm x 8.0mm (M4) Retaining Washer (3-Pronged) 0.5mm Thickness | Nylon
4.3mm x 8.0mm (M4) Retaining Washer (3-Pronged) 0.5mm Thickness | Nylon
4.3mm x 8.0mm (M4) Retaining Washer (3-Pronged) 0.5mm Thickness | Nylon
4.3mm x 8.0mm (M4) Retaining Washer (3-Pronged) 0.5mm Thickness | Nylon
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 499 £0.27 £0.32
500 - 999 £0.22 £0.26
1000 - 4999 £0.17 £0.21
5000 - 9999 £0.15 £0.18
10000 + £0.12 £0.14

£0.32 / each


Up to 1,029 units
In Stock
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Order within for same day dispatch.
1,029 + units
Available for production
Average production time 14 + days.
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Product Specification
Size M4
Internal Diameter 4.3mm
Grip Diameter 3.30mm
Outside Diameter 8.0mm
Thickness 0.5mm
Type 3 Prong
Material Nylon
Colour Natural

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.

Larger Order?

Call our sales team on

01233 713581


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4.3mm x 8mm M4 Anti-Loss Washer | 3 Prong | 0.5mm | Nylon

For instrumentation and control products, this M4 fastener retention washer helps reduce the chance of loose fasteners being misplaced during fitting, maintenance or transport. Its 3 prong design combines a 3.30mm grip diameter with a 4.3mm internal diameter to hold around the compatible fastening point.

What Are Anti-Loss Washers?

Anti-Loss Washers are retaining washers with flexible internal prongs that grip around a compatible screw or bolt. Their purpose is to keep the fastener attached to the assembly so it is less likely to fall away or become misplaced during installation, maintenance or servicing.

Common Applications

  • Machinery: Provides a simple retaining component for screws used on guards, covers and light mechanical assemblies.
  • Wiring Assemblies: Can retain compatible fasteners around cable management, electrical panels and wiring equipment.
  • Automotive Assembly: Supports retention of fasteners used around trim, dashboards, wiring and interior equipment.
  • Service Panels: Keeps screws with removable covers or access panels when they are opened for inspection or maintenance.

M4 3 Prong Anti-Loss Washer Dimensions

  • Size: M4
  • Internal Diameter: 4.3mm
  • Grip Diameter: 3.30mm
  • Outside Diameter: 8.0mm
  • Thickness: 0.5mm
  • Type: 3 Prong
  • Material: Nylon
  • Colour: Natural

Key Benefits

  • Natural finish makes the washer easy to identify during installation and inspection.
  • M4 size provides the stated fastener reference for this washer.
  • 8.0mm outside diameter provides the washer's overall supporting footprint.
  • 3 Prong format provides the stated number of retaining prongs.

Browse the wider Anti Loss Washers collection to compare different dimensions and retaining-prong styles. If you need help matching the washer to your fastener, call us on 01233 713581.

Please call for any enquiries!
Mon - Thurs 8.30 am - 5.30 pm
Fri 8.30 am - 3.30 pm
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