Rajgranth Fasteners is a reputed company as a manufacturer and exporter of the superior grade self-drilling screws. Our self-drilling screws are made with the convenience and efficiency in mind, as they do not require any pre-drilling work thus being perfect in fast and easy installations. Being one of the most reliable suppliers in India, we make sure that our screws correspond to the international criteria of strength intensity, accuracy, and the absence of corrosion. No matter what materials you are welding or working on, metal framing, roofing, light steel structures, etc., our Fasteners are the most reliable.
It is our credibility as trusted stockists of self-drilling screws which has been nurtured by consistency, innovation and quality assurance. Rajgranth Fasteners manufactures screws in an array of head design, including hex, pan, and flat among others, to suit a wide range of industrial demand. These screws are made out of high quality stainless and carbon steel to last long and be able to overcome wear and tear caused by the environment. We are responsible exporters who are offering products to customers throughout Europe, Middle East, and Asia with products that are designed as per industry-specific requirements.
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We think that each Fasteners must serve in a perfect way. This is the reason why our self-drilling screws are produced, through a method of automated equipment with the benefits of the latest threading technology. We also provide the zinc-plated and coated finishes to make a surface more protected. The core competency of a manufacturer is to produce quality screws that save man hour and enhance production in the light duty and heavy-duty construction sites.
Being one of the quality suppliers with a large distribution network guarantees us to receive bulk stock and deliver on an on-time and available basis on all kinds of self-drilling screws. This is done at the warehousing down to the packaging in a highly professional manner. Rajgranth Fasteners is also a stockist that supplies products to both the small and the large contractors, OEMs and wholesalers who want a consistent quality and at a good price. One of the most popular industries that make use of our Fasteners is the automotive industry, HVAC, infrastructure, and furniture manufacturing industries.
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Being a renowned exporter at the global level, Rajgranth Fasteners are highly sensitive to DIN, ISO, and ASTM standards and apply them by the book so that each product that comes out of our factory is completely in accordance to them. Our self drilling screws are in both metric and imperial, deep threaded and sharp points to give an easy drilling in metal and in wood. We are also ahead in the fastening sector with our team of engineers constantly enhancing product design with reference to feedback and application difficulties given by our clients.
By selecting Rajgranth Fasteners, you can become partners with the manufacturing company that respects performance, customer service and innovation. Your expectations will be exceeded whether you are an international importer, a domestic wholesaler, a construction firm or otherwise. Being among the leading suppliers and stockists in India we are proud of offering fastening solutions which make your projects a success as far as safety, strength, and speed are concerned.
Specifications
| Size Range | Material | Thread Type | Finish | Strength Grade | Head Type | Standards |
|---|---|---|---|---|---|---|
| 3.5 mm - 6.3 mm | Carbon Steel / Stainless Steel | Fully Threaded / Partially Threaded | Zinc Plated / Black Oxide / Hot-Dip Galvanized | 5.6, 8.8 | Hex Head / Pan Head / Flat Head | DIN 7504, ISO 15480 |
| #6 to 1/4" | Stainless Steel A2 / A4 | Self-Tapping | Passivated / Electro-Galvanized | 4.8, 6.8 | Truss Head / Bugle Head | ASTM C1513, BS 5422 |
Self-Drilling Screws Standards & Size Range
| Size Range | Standards |
|---|---|
| Diameters: M2 to M10 (Metric) | ISO 1472 – Standard for slotted pan head self-tapping screws |
| Gauge Sizes: 4 to 14 (Imperial) | ASME B18.6.1 – American standard for self-tapping screws |
| Lengths: 6mm to 100mm | ISO 1479 – Standard for hexagon head self-tapping screws |
| DIN 7982 – Countersunk head self-tapping screws | |
| DIN 7976 – Tapping screws for sheet metal applications |
Material & Strength Grades
| Material Type | Available Strength Grades | Industry Standards |
|---|---|---|
| Mild Steel & Carbon Steel | 4.6, 5.6, 8.8 | ISO 1472, ASME B18.6.1 |
| Stainless Steel (Corrosion Resistant) | A2-70 (SS 304), A4-80 (SS 316) | ISO 3506, DIN 7982 |
| Hardened Steel (Heat Treated) | Class 8.8, 10.9 | ISO 1479, DIN 7976 |
Applications and Uses of Self-Drilling Screws
- Oil and Gas Industry
- Mining
- Construction
- Power Plant
- Refinery Industry
- Sugar Mills
- Ship Building Industry
- Marine Industry
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