Rajgranth Fasteners is one of the major producers, exporters, distributors, and stockists of Coiled Pins that are developed to fulfill various industrial needs. These fasteners are also referred to as spiral pins and are very popular because of their flexibility, strength and shock and vibration absorbing capabilities. Our Coiled Pins are designed with accuracy to make them fit perfectly, durable and stable in mechanical assemblies in several industries.
With a good reputation in the fastener business, Rajgranth Fasteners supplies Coiled Pins of varying material like stainless steel, carbon steel, and alloy steel. As a responsible manufacturer and supplier of Coiled Pins in India, we are concentrated on providing the goods that meet the global standards such as DIN, ISO and ASTM. The automotive, aerospace, machinery, construction and electrical equipment industries are the best industries where our products perform with great strength and performance in extreme situations.
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As one of the leading Coiled Pins exporters, we are known internationally as offering high quality pins to our customers throughout the USA, UK, UAE, Europe and other parts of the world. Rajgranth Fasteners has high stock levels, we are a Coiled Pins stockist of choice when urgent and bulk orders are required. You can have customized solutions at competitive prices whether you require standard sizes or some custom specifications.
The Coiled Pins we offer have a special helical type structure that provides better flexibility over slotted spring pins. The design of this kind allows them to evenly distribute the load, avoid damaging host materials, and provide a secure fastening solution. Engineers, manufacturers and industries across the globe have confidence in the products that Rajgranth Fasteners offers as they seek quality, reliability and cost effectiveness in Coiled Pins suppliers.
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As a top fastening company, we do not only concentrate on product quality, but also on customer satisfaction. Rajgranth Fasteners provides Coiled Pin in finishes such as zinc plated, black oxide, phosphate coated and natural finish to suit particular industrial requirements. Good supply chain and advanced manufacturing facilities have made us one of the most reliable Coiled Pins manufacture and export in India.
Rajgranth Fasteners is your one-stop solution in case you are seeking the best Coiled Pins manufacture, exporter, suppliers or stockists. Having years of experience, high-level technology and global network, we still provide the quality and service unmatched. Call us today, and place a bulk order, or design Coiled Pins to fit the specifications of our project.
Specifications
| Parameter | Details |
|---|---|
| Type / Duty | Coiled spring pins (light, standard, heavy duty) |
| Materials | Carbon Steel, Alloy Steel, Stainless Steel (AISI 302/304/316), Phosphor Bronze |
| Hardness (typ.) | HRC 44–52 (carbon/alloy steel); HRB/HRC per stainless grade |
| Finish / Coating | Plain/Oiled, Black Oxide, Zinc Plated, Mechanical Zinc, Geomet/Dacromet (RoHS), Passivated (SS) |
| Diameter Range | Metric: 1.5–25 mm (typ.); Inch: 1/16″–1″ (typ.) |
| Length Range | Metric: 6–120 mm (typ.); Inch: 1/4″–4″ (typ.) |
| Tolerance (OD) | Engineered oversize for interference fit (varies by duty & nominal size) |
| Hole Recommendation | Drilled/reamed per nominal size and duty; chamfer lead-in recommended |
| Ends | Chamfered both ends (standard) for ease of installation |
| Installation | Press-fit; use arbor press or light hammer with proper support; automatic feeding compatible |
| Applications | Hinge points, pivots, shock/vibration joints, alignment/retention in assemblies |
| Reference Standards (commonly used) | ISO 13337 (coiled spring-type straight pins), ASME/ANSI B18.8 (spring pins family) |
Coiled Pins Standards & Size Range
| Size Range | Standards |
|---|---|
| Metric Diameters: 0.5mm to 5mm | ISO 8748 – International standard for coiled spring pins |
| Imperial Diameters: Custom sizes available | General pin standards – Industry standard for coiled spring pins |
| Lengths: Customizable | No specific standard – Manufactured per application requirements |
Material & Strength Grades
| Material Type | Available Strength Grades | Industry Standards |
|---|---|---|
| Carbon Steel & Hardened Steel | Class 5.8, 8.8, 10.9 | ISO 8748, General Pin Standards |
| Stainless Steel (Corrosion Resistant) | A2-70 (SS 304), A4-80 (SS 316) | ISO 3506, ISO 8748 |
| Alloy Steel (High Fatigue Strength) | Class 10.9, 12.9 | ISO 8748, General Standards |
| Phosphor Bronze & Brass (Non-Corrosive & Electrical Applications) | Custom Hardness Ratings | ISO 8748, General Standards |
Applications and Uses of Coiled Pins
- Oil and Gas Industry
- Mining
- Construction
- Power Plant
- Refinery Industry
- Sugar Mills
- Ship Building Industry
- Marine Industry
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