Flat washers manufactured to DIN 125 Form A, designed for reliable load distribution and secure fastening across a wide range of engineering, construction and general-purpose applications.
Produced from steel with a bright zinc plated finish, these washers provide good corrosion resistance for indoor and light-duty external use. Suitable for use with bolts, screws and threaded fasteners, helping to protect surfaces and reduce the risk of loosening under load.
Available in a full metric size range from M2 to M30, covering both light-duty and heavy-duty applications.
Key Features
Flat washers to DIN 125 Form A standard
Manufactured from steel
Zinc plated (BZP) for corrosion resistance
Suitable for general engineering and construction use
Helps distribute load and protect mating surfaces
Compatible with metric bolts, screws and fasteners
Specifications
Standard: DIN 125 Form A
Material: Steel
Finish: Zinc Plated (BZP)
Thread sizes: M2 to M30 (metric)
Washer type: Flat washer
Size Guide
All dimensions are approximate and in millimetres.
| Size | Inside Diameter | Outside Diameter | Thickness |
|---|---|---|---|
| M2 | 2.2mm | 5mm | 0.3mm |
| M2.5 | 2.7mm | 6mm | 0.5mm |
| M3 | 3.2mm | 7mm | 0.5mm |
| M4 | 4.3mm | 9mm | 0.8mm |
| M5 | 5.3mm | 10mm | 1.0mm |
| M6 | 6.4mm | 12mm | 1.6mm |
| M8 | 8.4mm | 16mm | 1.6mm |
| M10 | 10.5mm | 20mm | 2.0mm |
| M12 | 13mm | 24mm | 2.5mm |
| M14 | 15mm | 28mm | 2.5mm |
| M16 | 17mm | 30mm | 3.0mm |
| M18 | 19mm | 34mm | 3.0mm |
| M20 | 21mm | 37mm | 3.0mm |
| M22 | 23mm | 39mm | 3.0mm |
| M24 | 25mm | 44mm | 4.0mm |
| M27 | 28mm | 50mm | 4.0mm |
| M30 | 31mm | 56mm | 4.0mm |
Applications
Engineering and fabrication
Construction and installation work
Machinery assembly
Automotive and mechanical repairs
General purpose fastening
Important Information
Washer dimensions are based on nominal metric fastener sizes and are designed to suit corresponding bolt or screw diameters.
Images are for illustration purposes only. Actual product appearance may vary slightly depending on manufacturer and batch.
Pack size selection refers to the quantity of washers supplied.
Dimensions and specifications are based on DIN 125 Form A standards where applicable.
Always ensure the correct size, type and specification is selected for your application.
Sizing Information
Please select the required size and quantity from the drop-down menu. All sizes correspond to standard metric fasteners.
If you are unsure on sizing or compatibility, feel free to get in touch and we will be happy to help.