Flat Washers
Flat washers in stainless steel to two standards: Form A (DIN 125-A) with an outside diameter about twice the bolt diameter, and Form C (BS4320-C) with a wider outside diameter to spread clamping load into softwood, thin steel or crushable material. Available in M3 through M16 across both forms in A2 (304) and A4 (316) grade. Fit one under the nut and (for critical joints) one under the bolt head to prevent surface marring and spread clamping load.
Source: zhmjg3-2s.myshopify.com/collections/flat-washers
What this page covers
- Overview of flat washer standards and applications
- Material grades: A2 (304) and A4 (316) stainless steel
- Size range: M3 through M16
- Usage guidance for bolted joints and load distribution
- Products available in this collection
Flat Washers
Flat washers in stainless steel to two standards: Form A (DIN 125-A) with an outside diameter about twice the bolt diameter, and Form C (BS4320-C) with a wider outside diameter to spread clamping load into softwood, thin steel or crushable material. Available in M3 through M16 across both forms in A2 (304) and A4 (316) grade.
- Form A (DIN 125-A) is the standard flat washer for most bolted joints
- Form C (BS4320-C) has a wider outside diameter to spread clamping load into softwood, thin steel or crushable material
- Fit one under the nut and for critical joints one under the bolt head to prevent surface marring
- A4 (316) grade offers enhanced corrosion resistance
- A2 (304) grade is suitable for general applications
Products in This Collection
This collection includes 10 products across Form A (DIN 125-A) and Form C (BS4320-C) in A4 stainless steel, ranging from M5 to M16.
- Form A (DIN 125-A) sizes available: M5, M6, M8, M10, M12, M16
- Form C (BS4320-C) sizes available: M6, M8, M10, M12
- All products in this collection are A4 stainless steel grade
Facts Index
| Entity | Attribute | Value | Confidence |
|---|---|---|---|
| Flat Washers | visible_product_count | 10 | high |
Who Is This For
- Professionals assembling bolted joints requiring load distribution across surfaces
- Users working with soft materials like softwood, thin steel, or crushable substrates
- Anyone needing corrosion-resistant stainless steel washers in A2 or A4 grade
Frequently Asked Questions
What is a flat washer and what does it do?A flat washer is a thin plate with a hole used under a nut or bolt head to distribute the clamping load, prevent surface marring, and protect the joint material.
What standards are available for flat washers in this collection?Flat Washers collection offers Form A (DIN 125-A) for standard bolted joints and Form C (BS4320-C) with a wider outside diameter for spreading load into soft or crushable materials.
What materials are the flat washers made from?Flat Washers are available in A2 (304) and A4 (316) stainless steel grades, with A4 offering enhanced corrosion resistance.
What sizes of flat washers are available?Flat Washers are available from M3 through M16 across both Form A and Form C standards.