4.3mm x 12.8mm (M4) Retaining Washer (3-Pronged) 0.8mm Thickness | Nylon

Product code: WASH108
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4.3mm x 12.8mm (M4) Retaining Washer (3-Pronged) 0.8mm Thickness | Nylon
4.3mm x 12.8mm (M4) Retaining Washer (3-Pronged) 0.8mm Thickness | Nylon
4.3mm x 12.8mm (M4) Retaining Washer (3-Pronged) 0.8mm Thickness | Nylon
4.3mm x 12.8mm (M4) Retaining Washer (3-Pronged) 0.8mm Thickness | Nylon
4.3mm x 12.8mm (M4) Retaining Washer (3-Pronged) 0.8mm Thickness | Nylon
4.3mm x 12.8mm (M4) Retaining Washer (3-Pronged) 0.8mm Thickness | Nylon
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 499 £0.35 £0.42
500 - 999 £0.30 £0.36
1000 - 4999 £0.25 £0.30
5000 - 9999 £0.22 £0.26
10000 + £0.18 £0.22

£0.42 / each


Up to 703 units
In Stock
Vital Parts Tick
Order within for same day dispatch.
703 + units
Available for production
Average production time 14 + days.
Vital Parts - Here to make bulk ordering easy.

Product Specification
Size M4
Internal Diameter 4.3mm
Grip Diameter 3.30mm
Outside Diameter 12.8mm
Thickness 0.8mm
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


Frequently Bought Together

Total Price: £0.00

4.3mm x 12.8mm M4 Anti-Loss Washer | 3 Prong | 0.8mm | Nylon

Providing secure fastener retention for wiring looms and electrical installations, this M4 assembly retaining washer combines a 3 prong design with a 0.8mm section. The natural Nylon construction is non-metallic and helps keep the fastener in place before or after final assembly.

What Are Anti-Loss Washers?

Pronged Retaining Washers are fitted over compatible fasteners to create a light interference grip around the shank or thread. This helps keep screws and bolts associated with panels, covers and equipment where the fastening point may be opened repeatedly.

Common Applications

  • Domestic Appliances: Supports fastener retention around appliance covers, internal fittings and maintenance points.
  • Instrumentation: Helps keep small fasteners attached to equipment housings and adjustment assemblies.
  • Electrical Equipment: Helps keep compatible screws associated with panels, housings and covers during installation or servicing.
  • Manufacturing: Helps reduce loose or misplaced fasteners during production-line assembly and component handling.

M4 3 Prong Anti-Loss Washer Dimensions

  • Size: M4
  • Internal Diameter: 4.3mm
  • Grip Diameter: 3.30mm
  • Outside Diameter: 12.8mm
  • Thickness: 0.8mm
  • Type: 3 Prong
  • Material: Nylon
  • Colour: Natural

Key Benefits

  • 4.3mm internal diameter provides the clearance opening around the compatible fastener.
  • 12.8mm outside diameter provides the washer's overall supporting footprint.
  • Nylon construction keeps the washer lightweight and non-metallic.
  • Natural finish makes the washer easy to identify during installation and inspection.

See the rest of our Anti Loss Washer range for alternative 2-prong, 3-prong and 4-prong options. For help comparing sizes and styles, speak with our team 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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