428-650 This RS PRO M4 locking and anti-vibration washer is constructed from A2 stainless steel for durability and corrosion resistance. It features a plain finish and conforms to BS 4463 standards.
Mfr Part #:

428-650

Available from 1 distributors
Mfr Name: RS
RS
This RS PRO M4 locking and anti-vibration washer is constructed from A2 stainless steel for durability and corrosion resistance. It features a plain finish and conforms to BS 4463 standards.
✓ Total Stock: 100 pcs
$ Price Range: $0.99

428-650 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
100 pcs
100 pcs On Request 1 On Request On Request On Request On Request On Request

428-650 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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428-650 Description

Short technical summary and product information.

The RS PRO 428-650 is an M4 locking and anti-vibration washer designed for use with machine threaded fasteners and nuts. Its primary function is to spread the load over a larger surface area when tightening, preventing wear and distortion of installation surfaces.

 

Constructed from A2 stainless steel, this washer offers a degree of corrosion resistance, making it suitable for various environments, including food production. The crinkle design provides advantages over plain washers by offering locking and vibration resistance in a fastener assembly.

 

With an external diameter of 7.99mm and an inside diameter of 4.36mm, this washer has a thickness of 0.28mm. It meets the BS 4463 standard and is manufactured in the United Kingdom. The plain finish ensures compatibility with a wide range of fasteners.

 

These washers are a valuable addition to any fastener assembly, decreasing surface load and providing vibration protection. They also contribute to easier maintenance by allowing for smoother loosening and tightening of components. Applications commonly include electronic, food, and chemical industries.

428-650 Quick Information

Product Type: Locking & Anti-Vibration Washer
Canonical Name: RS PRO M4 Stainless Steel Plain Crinkle Locking & Anti-Vibration Washer
Subcategory: Locking & Anti-Vibration Washer

428-650 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

428-650 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

428-650 Features

  • M4 A2 stainless steel construction for durability.
  • Provides locking and anti-vibration resistance.
  • Spreads load to protect installation surfaces.
  • Conforms to BS 4463 standard.
  • Plain finish for broad compatibility.

428-650 Applications

  • Used in electronic fastener assemblies.
  • Suitable for food production environments.
  • Applied in chemical industry applications.
  • Enhances fastener stability and maintenance.

428-650 FAQs

6 frequently asked questions generated from this part’s specifications.
What screw size is this washer compatible with?

This washer is compatible with M4 screws and bolts.

What material is the washer made from?

The washer is made from A2 stainless steel.

What are the dimensions of the washer?

Outer diameter 7.99mm, inner diameter 4.36mm, thickness 0.28mm.

What standard does this washer comply with?

It complies with BS 4463.

What is the finish of the washer?

The finish is plain.

What is the country of origin?

United Kingdom.

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