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Punit Fasteners is a leading manufacturer and supplier of Stainless Steel Washers in Delhi, India, providing premium-grade fastening accessories for various industrial, commercial, and domestic applications. Our washers are precisely made to ensure even load distribution and surface protection in bolted joints. Made from high-grade stainless steel, they offer corrosion resistance, dimensional accuracy, and mechanical durability. Available in many standards and sizes, our washers serve different sectors, including construction, automotive, and marine. Punit Fasteners stands for quality and reliability, delivering products that ensure longevity and stability in mechanical assemblies under various operational conditions.
Stainless Steel Washers typically contain alloys with 18% chromium and 8% nickel (304 grade) or with added molybdenum (316 grade) for better corrosion resistance. They feature tensile strength ranging from 500–750 MPa and high yield strength, along with great resistance to rust, heat, and chemicals. Their non-reactive nature and strength enable them to handle load-bearing and sealing tasks. These washers maintain mechanical integrity under changing temperature and stress conditions, ensuring a reliable connection between bolts and joined materials while protecting surfaces from damage.
| 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 Washers are common in structural, automotive, marine, and chemical industries to ensure even pressure distribution and reduce surface wear in bolted joints. They are crucial in load-bearing assemblies like bridges, machinery, HVAC systems, and vehicle suspensions. In corrosive settings, especially near saltwater or chemicals, they provide long-lasting reliability. Their use also extends to electronics, appliances, and plumbing systems. Washers additionally act as spacers and vibration dampeners in dynamic assemblies. Their strength, resistance to corrosion, and non-magnetic properties make them essential in both heavy-duty industrial operations and fine mechanical assemblies.
At Punit Fasteners, we prioritize our safe and effective stainless steel washers products to ensure they arrive in the best possible condition. Our packaging solutions are designed to protect washers from damage when rugged materials and precision processes are being used. Each package is labelled with detailed product information for easy identification and inventory management. Our meticulous processes ensure your stainless steel washer is good and authentic upon delivery, whether for small or large orders.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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