Description
M20 Flat Washer – SS316 Stainless Steel (20mm Dia.)
Enhance your fastening performance with our premium M20 Flat Washer made from marine-grade SS316 (A4 / 1.4401) stainless steel. This washer is ideal for large-diameter assemblies that require maximum protection against corrosion, acids, and harsh environments—making it essential in marine, chemical, food, pharmaceutical, and demanding industrial applications.
Key Features
- Manufactured from high-quality SS316 (A4 / 1.4401) stainless steel for superior resistance to corrosion, saline, acids, and chemicals
- Compliant with DIN 125A standard for fit and reliability with all metric M20 hardware
- Bright annealed or passivated finish ensures long-term protection and a clean, hygienic appearance
- Precision engineering for secure load distribution and surface protection in heavy-duty assemblies
- Perfect for all M20 bolts, U-bolts, and threaded rods in harsh environments
Technical Specifications
- Nominal Size: M20 (for 20mm bolts/studs)
- Standard: DIN 125A
- Material: SS316 Stainless Steel (A4 / 1.4401)
- Inner Diameter: 21.0mm (min) – 21.33mm (max)
- Outer Diameter: 36.38mm (min) – 37.0mm (max)
- Thickness: 2.7mm (min) – 3.3mm (max)
Applications
- Corrosion-proof bolted assemblies in marine, utility, chemical, food, and pharmaceutical industries
- Load distribution and surface protection in large pipe supports, structural steel, and heavy machinery
- Construction, infrastructure, mechanical, and sanitary installations requiring exceptional durability
- Compatible with M20 U-bolts, hex bolts, and large-diameter threaded fasteners in aggressive or clean-room conditions
Why Choose Our M20 SS316 Washers?
- DIN-compliant sizing guarantees perfect fit with all standard M20 hardware
- Unrivaled durability and rust resistance, even in saltwater and aggressive atmospheres
- Clean, professional finish suitable for visible, food-grade, or hygiene-critical assemblies
- Available in bulk and custom orders for projects of any scale
