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Curved Washers

Curved Washers

Curved Washers

How to measure washers

Two ways to confirm before you order - whichever you already know.

1If you know your bolt size

Washers are named by the bolt they fit: an M10 washer suits an M10 bolt. The inside diameter is slightly larger than the bolt so it slides on. Our guide covers every size and washer type we stock.

Open the washer measuring guide ›

Open the washer gauge sizing chart ›

2If you have a washer in hand

Measure the inside diameter (ID), outside diameter (OD) and thickness, as shown in the drawing.

Washer measurement diagram - inside diameter, outside diameter and thickness

MATERIAL

A2-70 G304 Stainless Steel — Corrosion-resistant for outdoor and food/chemical use.

STANDARD

Manufactured to DIN 137A.

CURVED vs BELLEVILLE vs WAVE

A curved washer gives light thrust in one direction. A Belleville disc gives higher thrust and can be stacked. A wave washer gives a softer, multi-point spring. Pick based on load magnitude and whether you need stackability or a single low-force solution.

WHY AUSTRALIA TRUSTS BOLT & NUT

With 15+ years selling fasteners online from Brisbane, we hold over 25,000 stock lines and 200 million pieces — 98.75% of online orders placed before 1pm leave same day. Save more as you buy more — we offer up to 13 price breaks plus 3 spend-tier discounts. Read our customer reviews or get in touch if you need help picking the right curved washer.

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