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At Hazlewood Fasteners in Canberra, we forge strength where precision meets performance. Our stainless steel 420 washers are built for environments where durability, hardness, and corrosion resistance must work in perfect balance. Designed to distribute load, prevent surface damage, and secure tight assemblies, these washers deliver steadfast reliability under pressure. Crafted from high-carbon martensitic stainless steel, they exhibit exceptional wear resistance and mechanical strength. When you choose Hazlewood Fasteners’ 420 washers, you’re choosing a foundation of integrity—components that protect, reinforce, and perform flawlessly across the most demanding industrial and mechanical applications.
Stainless steel 420 washers are produced from a high-carbon martensitic stainless steel alloy enriched with chromium for superior strength and moderate corrosion resistance. Heat treatment enhances hardness, tensile strength, and wear resistance, allowing them to endure friction and mechanical stress without deformation. These washers offer excellent dimensional stability, fatigue resistance, and edge toughness under both static and dynamic loads. The 420 composition delivers a balanced combination of resilience, durability, and machinability—making these washers ideal for high-wear, high-precision fastening systems.
| Specifications | ASTM A 193 ASME SA 193 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | Wedge Lock Washers, Square Washer, Spring Lock Washer, Self Locking Washer, Sealing Washer, Plain Flat Washer, Ogee Washer, Industrial Washer, Hex Washer, Finishing Washer, Fender Washer, Conical Washer, Countersunk Washer, Square Beveled Washer, Curved Wave Washer, External Tooth Lock Washer, Internal Tooth Lock Washers, Internal Tab Washers, lock washer Fastener, Wedge Lock Washers, Tab Washer, Structural Washers. |
| Grade | AISI | Stainless Steel Bolts Chemical Composition (% maxima unless stated) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | ||||||
| A1 | SS 202 | 0.12 | 1.0 | 6.5 | 0.20 | 0.15-0.35 | 16,0 – 19,0 | 0.7 | 5,0 – 10,0 | 1.75-2.25 | ||||
| A2 | SS 304 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 15,0 – 20,0 | 0.0 | 8,0 – 19,0 | 4.0 | ||||
| A3 | SS 321 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 17,0 – 19,0 | 0.0 | 9,0 – 12,0 | 1.0 | ||||
| A4 | SS 316 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 16,0 – 18,5 | 2,0 – 3,0 | 10,0 – 15,0 | 4.0 | ||||
| C1 | SS 410 | 0.09-0.15 | 1.0 | 1.0 | 0.05 | 0.03 | 11,5 – 14,0 | – | 1 | – | ||||
| C3 | SS 431 | 0.17-0.25 | 1.0 | 1.0 | 0.04 | 0.03 | 16,0 – 18,0 | – | 1,5 – 2,5 | – | ||||
| C4 | SS 416 | 0.08-0.15 | 1.0 | 1.5 | 0.06 | 0.15-0.35 | 12,0 – 14,0 | 0.6 | 1 | – | ||||
| F1 | SS 430 | 0.12 | 1.0 | 1.0 | 0.04 | 0.03 | 15,0 – 18,0 | 0.0 | 1 | – | ||||
| Stainless Steel Bolts | Class | Tensile Stress Rm MPa (N/mm2) minimum | Yield Strength Rp 0.2 Mpa (N/mm2) minimum | AL Minimum Elongation | Diameter |
|---|---|---|---|---|---|
| Stainless Steel Bolts | 70 | 700 | 450 | 0.4d | =<M20 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel 420 washers excel in environments where hardness and wear resistance are essential. They are widely used in heavy machinery, automotive systems, valves, and pumps—applications that demand reliable load distribution and secure fastening. In industrial tools, aerospace assemblies, and power generation equipment, they protect joints from abrasion and vibration. These washers are also suited for applications requiring moderate corrosion resistance and high mechanical endurance, including hydraulic systems and precision instruments. With Hazlewood Fasteners’ 420 washers, every connection gains the assurance of lasting strength, stability, and performance engineered to endure the toughest operational challenges.
At Hazlewood Fasteners, we ensure the highest quality in the packaging of our Stainless Steel 420 washers. Each washer is thoroughly inspected and individually secured to prevent damage during transport. They are then placed in tightly labeled boxes with product details and detailed quantities. Our packaging is designed to protect the environment and physical impact, ensuring that your high-performance washer arrives in prime condition and ready for immediate use.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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