Rajgranth Fasteners is a prominent producer, exporter, and distributor of Flat Washers in India, which produces the best quality fastening elements, that are intended to deliver high load distribution and surface protection. The Flat Washers of ours are designed with precision that will match the international quality standards of the product to maintain the maximum performance and long durability in all industrial settings.
Being among the known manufacturers and stockists of the Flat Washer, we manufacture quality raw materials like stainless steel, carbon steel, brass, and alloy steel to make the washers that will work in pressure. The quality of every washer is carefully examined so that they can be of proper size, capable of withstanding rust and are well finished so that their clients in various industries would be confident in using them.
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Most of our Flat Washers are popular in automobile, construction, machinery, and engineering. They provide a smooth-bearing surface, which stops damage to the parts that have been assembled and evenly distributes forces during the fastening process of the pieces. In case of heavy industry work or in case of a delicate work in engineering, Rajgranth Fasteners still offers washers that reproducibly perform.
We do not only sell Flat Washers but also offer more specific service based on the needs of a particular client. We have the state-of-art manufacturing plant to produce Flat Washers of both normal and non-normal sizes, in accordance to small-diameter washers of the light-duty application and large industrial washers of the heavy-loading usage. We have a robust distribution network which serves our customers in India and outside India and this has taken decades to build a strong network.
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As a well-established exporter and supplier of Flat Washer, Rajgranth Fasteners serves both the domestic and international market. We have a wide stock, which guarantees prompt delivery and large stocks. We offer full sizes, thickness and material stiffness that can meet various operational requirements and hence our customers have the right specifications according to their needs.
Rajgranth Fasteners emphasize on innovation and quality. Our advanced manufacturing plant is fitted with a contemporary equipment and a highly qualified workforce that provides all Flat Washer with the highest quality standards. Our manufacturing processes are very strict, such that we are able to provide products that would perform efficiently with different loads and environmental conditions.
Selecting Rajgranth Fasteners would involve collaborating with a reputable manufacturer and distributor of Flat Washers who appreciate reliability, customer satisfaction, and prices. This interest in continuous improvement, as well as the large distribution network that we have, makes us a desirable brand in the fastening industry. Rajgranth Fasteners offers the one-stop solution to the custom-made washer need or bulk inquiry of the precision-engineered Flat Washers.
Specifications
| Attribute | Typical Values / Range | Common Standards | Notes |
|---|---|---|---|
| Size Range (Metric) | M2 — M48 (commonly M3, M4, M5, M6, M8, M10, M12, M16, M20, M24, M30, M36, M42, M48) | ISO 7089, DIN 125, DIN 9021 | Large-series and small-series OD/ID differ by standard |
| Size Range (Imperial) | 1/8" — 2" (common: 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 7/8", 1") | ASME B18.21.1, BS 4320 | Imperial standards specify thickness/OD per nominal bolt size |
| Materials | Carbon steel, stainless steel (A2/A4), brass, bronze, phosphor bronze, nylon (insulating) | — | Material selection depends on corrosion resistance and strength needs |
| Thickness (t) | Typically from 0.5 mm up to 6 mm+ (varies with washer series and bolt size) | ISO 7089, DIN 125 | Thickness tolerances are standard-specific |
| Outer Diameter (OD) / Inner Diameter (ID) | Dimension tables vary by standard; OD often 1.5× to 3× bolt dia. ID ≈ nominal bolt shank | DIN 125 / ISO 7089 / ASME | Use the standard’s dimension table for precise OD/ID for each nominal size |
| Finish & Coating | Plain (natural), zinc plated, hot-dip galvanized, black oxide, passivated (stainless) | — | Finish chosen for corrosion resistance and application environment |
| Hardness / Strength | Varies by material: stainless/bronze lower than high-strength steel washers | — | For high-load applications choose hardened washers or specific washer types |
| Typical Applications | Load distribution, spacing, protection of surfaces, electrical isolation (nylon) | — | Use type (flat, fender, spring) according to application needs |
Flat Washers Standards & Size Range
| Size Range | Standards |
|---|---|
| Metric: M1.6 to M100 | ISO 7089 – Standard for flat washers in metric fasteners |
| Imperial: 1/4" to 1-1/2" | ASME B18.22.1 – U.S. standard for general-purpose flat washers |
| DIN 125 – German standard for standard-duty flat washers |
Material & Strength Grades
| Material Type | Available Strength Grades | Industry Standards |
|---|---|---|
| Carbon Steel & Hardened Steel | Class 5.8, 8.8, 10.9 | ISO 7089, DIN 125, ASME B18.22.1 |
| Stainless Steel (Corrosion Resistant) | A2-70 (SS 304), A4-80 (SS 316) | ISO 3506, ISO 7089 |
| Hardened & Heat-Treated Steel | Class 8.8, 10.9, 12.9 | DIN 125, ISO 7089 |
| Aluminum & Brass (Non-Corrosive & Lightweight Applications) | Custom Hardness Ratings | ISO 7089, ASME B18.22.1 |
Applications and Uses of Flat Washers
- Oil and Gas Industry
- Mining
- Construction
- Power Plant
- Refinery Industry
- Sugar Mills
- Ship Building Industry
- Marine Industry
Latest Price List of Flat Washers
Rajgranth Fasteners is one of the trusted manufacturers, suppliers, exporters, and stockists of high-quality Flat Washers, offering premium fastener solutions at the most competitive prices in India.
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