Rajgranth Fasteners is a firm that deals with the manufacture and supply of high quality star washers and washers to various industrial uses. Our washers have been designed to maximize the bolts, screws, and nuts fastening and load distribution. Being a well-established manufacturer, exporter, supplier, and stockist, we are able to guarantee that all its products are of international quality and offer long-term performance.
We have a variety of star washers, which came to prevent loosening in vibrating equipment and they provide a good grip as well as a secure fastening. These washers are manufactured with the highest quality of raw materials which guarantees the ability to withstand corrosion, wears and extreme temperatures. As one of the reliable suppliers and exporters, we serve the following industries: automotive, construction, electrical, and machinery manufacturing.
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Washers are also important in the even distribution of the load as well as avoiding damage to the surfaces. In Rajgranth Fasteners, we provide complete range of washers and these types of washers are flat washers, spring washers, and lock washers. We are the choice stockist and supplier of business in and out of India with each product being well developed towards giving consistent performance.
Being a well-known producer of industrial fasteners, Rajgranth Fasteners is oriented to quality and accuracy. Our star washers and washers are highly controlled in terms of quality assurance to make them last longer, consistent and up to international standards. We are proud to provide products that address individual specific needs of all customers at competitive prices.
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Having been a major exporter and supplier we are able to offer our products to the foreign markets in an efficient manner. Rajgranth Fasteners guarantees punctual delivery, mass order and quality customer service. We will ensure that businesses can realize the best fastening solutions through our wide variety of star washers and washers.
Having served years of experience, Rajgranth Fasteners has proved to be a reliable name to manufacturers, exporters, suppliers and stockists of high quality washers. We have a team that can offer customized solutions to your industry requirements based on whether you need unique dimensions or standard requirements. Collaborate with us to get quality star washers and washers which will ensure power, functionality, and durability.
Specifications
| Item | Size Range | Material | Typical Thickness | Hardness | Finish / Coating | Type / Notes |
|---|---|---|---|---|---|---|
| Split (Lock) Washer | M2 — M24 | Carbon steel, Stainless steel (A2/A4) | 0.5 mm — 4.0 mm (varies by size) | HRC 30 — 45 (heat treated carbon steels) | Plain, Zinc-plated, Phosphate, Passivated (stainless) | Standard split type for axial locking |
| Wave Washer | M2 — M20 | Spring steel, Stainless spring steel | 0.3 mm — 2.5 mm | Spring-tempered (higher yield) | Passivated, Oil-coated | Provides axial flexibility, reduced backlash |
| Conical (Belleville) | M3 — M56 | Spring steel, Stainless spring steel | 0.5 mm — 6.0 mm (stackable) | High spring hardness (spec by supplier) | Zinc, Nickel, Plain, Passivated | High load spring washer; stackable for different rates |
| Tooth (Internal / External) | M2 — M16 | Carbon steel, Stainless | 0.6 mm — 2.0 mm | Medium hardness | Zinc, Phosphate, Passivated | Teeth bite into mating surfaces for anti-rotation |
| Nordic / Helical Spring Washer | M3 — M20 | Spring steel, Stainless | 0.5 mm — 3.0 mm | Spring-tempered | Black oxide, Zinc | Used where light spring force and insulation needed |
Star Washers Standards & Size Range
| Size Range | Standards |
|---|---|
| Metric: M2 to M36 | ISO 7091 – International standard for lock washers |
| Imperial: 1/4" to 1-1/2" | ASME B18.21.1 – U.S. standard for lock washers |
| DIN 6797 – German standard for toothed star lock washers |
Material & Strength Grades
| Material Type | Available Strength Grades | Industry Standards |
|---|---|---|
| Carbon Steel & Hardened Steel | Class 5.8, 8.8, 10.9 | ISO 7091, DIN 6797, ASME B18.21.1 |
| Stainless Steel (Corrosion Resistant) | A2-70 (SS 304), A4-80 (SS 316) | ISO 3506, DIN 6797 |
| Alloy Steel (High Load-Bearing Capacity) | Class 10.9, 12.9 | ISO 7091, DIN 6797 |
| Phosphor Bronze & Brass (Non-Corrosive & Electrical Applications) | Custom Hardness Ratings | ISO 7091, ASME B18.21.1 |
Applications and Uses of Star Washers
- Oil and Gas Industry
- Mining
- Construction
- Power Plant
- Refinery Industry
- Sugar Mills
- Ship Building Industry
- Marine Industry
Latest Price List of Star Washers
Rajgranth Fasteners is one of the trusted manufacturers, suppliers, exporters, and stockists of high-quality Star Washers, offering premium fastener solutions at the most competitive prices in India.
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