Description
M12x25mm Penny Washers – A4 Stainless Steel (Pack of 100)
These M12 stainless steel penny washers offer reliable support and load distribution for fastening applications. Manufactured from A4 marine grade stainless steel (A316), they are ideal for outdoor, marine, or corrosive environments.
With a 25mm outer diameter, 12.5mm internal hole, and 1.5mm thickness, these washers are built for compatibility with all M12 threaded fixings. Supplied in a cost-effective pack of 100, perfect for industrial use or high-volume installations.
Key Specifications:
- Outer Diameter: 25mm
- Inner Hole Diameter: 12.5mm
- Thickness: 1.5mm
- Material: A4 / 316 Stainless Steel
- Grade: Marine Grade A316
- Pack Size: 100 Washers
Benefits:
- Marine grade A4 stainless steel resists corrosion and rust
- Wide surface area to distribute load and prevent damage
- Ideal for use with M12 threaded rod, bolts, and fixings
- Perfect for construction, marine, and industrial applications
Applications:
- Electrical and cable management installations
- Marine fittings, offshore rigs, and coastal environments
- HVAC and M&E installations
- Heavy-duty structural support systems
Ordering & Delivery
✔ Trusted UK Delivery – 95% of orders dispatched within 24 hours
Most orders arrive within 1–2 working days as standard.
Note: Heavy or bulk orders, as well as any special cut length or non-standard products, may take slightly longer to dispatch.
For bulk quantities or trade pricing, please call our team on 0121 270 8507.

























