Rajgranth Fasteners is a prime manufacturer, supplier, exporter and stockist of Square Nuts. These nuts are made in the form of a square with four sides and provide high surface area in contact to the fastening surface. The special design provides a safe grip, and decreased tendencies to loosen in case of heavy loads. In order to satisfy the various needs of industries in the world, we offer Square Nuts in various sizes, materials and various finishes.
Rajgranth Fasteners is a reputable manufacturer of Square Nuts with raw materials of high quality including stainless steel, carbon steel, alloy steel, brass, and other special alloys. Our Square Nuts are produced under a stringent quality control measure to promote longevity, strength and resistance to corrosion. These nuts are popular in the heavy machinery, construction, railway, automotive and marine sectors because of their better performance.
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As a well-known supplier and stockist of Square Nuts, we hold an on-demand inventory of standard sizes and even bespoke dimensions to suit an urgent need. Customers have options on various plating and surface finishes such as zinc, hot-dip galvanized, black oxide, and nickel-coated Square Nuts. The high inventory level and large distribution base that we have will enable us to supply our products effectively both locally and internationally.
Being a long-time exporter of Square Nuts, Rajgranth Fasteners has clients all over the world and they offer them quality products at reasonable prices. Our Square Nuts are produced with a reference to international standards, e.g., DIN, ISO, ASTM, and BS. Since we have years of experience, we deliver on time and have flexible packaging options according to the needs of the customers.
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Square Nuts that are sold by Rajgranth Fasteners have the advantage of simple installation, tensile strengths, and vibration and heavy-pressure resistance. Their flat nature makes them perfect to be used with flat washers and they cannot rotate in the channels and narrow spaces. Customized Square Nuts with varying threading options is also offered by us based on specifications given by the clients.
Rajgranth Fasteners has established reputable brand name as a reliable brand in the fasteners business. To provide customer satisfaction, the quality, strength and durability of our Square Nuts are tested. Having several years of experience and the customer-first attitude, we keep growing the business as the leading manufacturer, supplier, exporter, and stockist of Square Nuts in India and globally.
Specifications
| Property | Typical Values / Notes |
|---|---|
| Material | Carbon steel, Stainless steel (A2/A4), Brass, Bronze, Alloy steel |
| Size Range (metric) | M3 to M30 (commonly stocked: M4, M5, M6, M8, M10, M12, M16, M20) |
| Size Range (imperial) | #4-40 to 1-1/4" (common: 1/4", 5/16", 3/8", 1/2", 5/8") |
| Thread Type | Metric coarse (M), Metric fine (MF), UNC/UNF (imperial) |
| Finish / Coating | Plain (untreated), Zinc plated, Hot-dip galvanized, Black oxide, Passivated (stainless) |
| Strength / Grade | Metric: 4.8 / 8.8 / 10.9; Stainless commonly A2/A4; Imperial: Grade 2, Grade 5, Grade 8 |
| Standards | DIN, ISO, ASME/ANSI, BS, IS (see Standards table below for size mapping) |
| Head / Form | Square (4-sided) with full-height walls; some with rounded corners or chamfered edges |
| Tolerances | Per relevant thread standard (e.g., ISO 965 / ANSI B1.1) and nut thickness tolerances per standard |
| Typical Applications | Machine assembly, historical restoration, furniture, channel/rail fastening where extra bearing surface is needed |
Square Nuts Standards & Size Range
| Size Range | Standards |
|---|---|
| Metric: M5 to M36 | DIN 557 – Standard for square nuts with coarse thread |
| Imperial: 1/4" to 1-1/2" | ASME B18.2.2 – American standard for square nuts |
| No specific ISO metric standard, but general industry usage |
Material & Strength Grades
| Material Type | Available Strength Grades | Industry Standards |
|---|---|---|
| Carbon Steel & Mild Steel | Class 4, 5, 8, 10, 12 | DIN 557, ASME B18.2.2 |
| Stainless Steel (Corrosion Resistant) | A2-70 (SS 304), A4-80 (SS 316) | ISO 3506 |
| Hardened Steel (High Tensile Strength) | Class 8, 10, 12 | DIN 557, ASME B18.2.2 |
Applications and Uses of Square Nuts
- Oil and Gas Industry
- Mining
- Construction
- Power Plant
- Refinery Industry
- Sugar Mills
- Ship Building Industry
- Marine Industry
Latest Price List of Square Nuts
Rajgranth Fasteners is one of the trusted manufacturers, suppliers, exporters, and stockists of high-quality Square Nuts, offering premium fastener solutions at the most competitive prices in India.
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