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RS PRO Ceramic Plain Washers, M4, BS 4320:1968

RS Stock No.:: 223-7399
Distrelec Article No.:: 304-18-951
Brand:: RS PRO

RS PRO Ceramic Plain Washers, M4, BS 4320:1968

Bulk discount available

View bulk pricing options

Subtotal (1 unit)*

Kr. 119,60

(exc. VAT)

Kr. 149,50

(inc. VAT)

FREE delivery for online orders over 750,00 kr

In Stock

Plus 1 unit(s) shipping from 20 July 2026
Plus 78 unit(s) shipping from 13 August 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 - 4	Kr. 119,60
5 - 9	Kr. 113,71
10 - 29	Kr. 107,76
30 +	Kr. 100,33

*price indicative

RS Stock No.:: 223-7399
Distrelec Article No.:: 304-18-951
Brand:: RS PRO

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	RS PRO
	Product Type	Washers
	Compatible Screw/Bolt Size	M4
	External Diameter	10mm
	Inside Diameter	4.5mm
	Material	Ceramic
	Standards/Approvals	BS 4320:1968
	Finish	Plain
	Thickness	0.9mm

	Select all
	Brand RS PRO
	Product Type Washers
	Compatible Screw/Bolt Size M4
	External Diameter 10mm
	Inside Diameter 4.5mm
	Material Ceramic
	Standards/Approvals BS 4320:1968
	Finish Plain
	Thickness 0.9mm

RS PRO M4 Alumina Ceramic Washer (9 x 4.5 x 0.9mm)

A high quality and tough M4 washer featuring an internal diameter of 4.5mm, an external diameter of 9mm, and a thickness of 0.9mm, constructed from Alumina Ceramic for excellent wear resistance, corrosion protection, outstanding hardness and strength.;Alumina Ceramic washers offer several advantages over other types of washers. Suitable for operating in temperature extremes and featuring excellent resistance to chemicals along with high mechanical strength the Alumina Ceramic washers are ideal for operations in harsh and challenging environments where regular maintenance isn’t always possible.;Built to comply with British Standards BS 4320:1968 these Alumina washers are ideal for a wide range of environments and are used throughout industry including manufacturing, automotive applications, aerospace and for use with processes where metal washers are not suitable.

Features and Benefits

Alumina Ceramic Washer

Metric size M4

9 x 4.5 x 0.9mm

Narrow design

High level of temperature and chemical resistance

Standards and Approvals: BS 4320:1968

Why RS PRO?

RS PRO is the own brand of RS. The RS PRO Seal of Approval is your assurance of professional quality, a guarantee that every part is rigorously tested, inspected, and audited against demanding standards. Making RS PRO the Smart Choice for our customers.

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