Stainless Steel Cotter Pins, SS 304, SS 304L, 316L, 321, 321H & SS 316 Cotter Pins Supplier in Mumbai, India
Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of SS 304/304L/316/316L/321/321H Cotter Pins in Mumbai, India, supplying stainless steel retaining fasteners for engineering, machinery, fabrication and industrial assemblies. These cotter pins are manufactured from selected stainless steel grades to provide dependable strength and corrosion resistance. We offer different diameters and lengths for various fastening requirements. Standard and customized dimensions can also be supplied.
SS 304 & 304L Cotter Pins are suitable for general industrial and engineering applications where good corrosion resistance and reliable fastening are required. SS 316 & 316L Cotter Pins provide improved resistance in chloride-containing and marine environments. Their split-leg construction allows easy installation by bending the ends after fitting. These grades are suitable for assemblies exposed to moisture and demanding service conditions.
SS 304/304L/316/316L/321/321H Cotter Pin Manufacturer & Supplier in India
SS 321 & 321H Cotter Pins are suitable for applications where higher-temperature service and resistance to oxidation are important. The stainless steel construction provides durability while maintaining secure retention of connected components. These pins can be used with bolts, clevis pins, castle nuts and similar fastening arrangements. Different sizes can be selected according to hole diameter and assembly requirements.
These Stainless Steel Cotter Pins are commonly used in automotive, chemical processing, marine, construction, power generation, fabrication and industrial machinery applications. Their simple design makes installation and replacement convenient during maintenance work. Various dimensions and finishes can be supplied depending on the application. Products can also be manufactured according to customer drawings and specifications.
Get the Best Quote for SS 304/304L/316/316L/321/321H Cotter Pins. We Stock Stainless Steel Cotter Pins in Various Diameters, Lengths, Sizes, Grades and Surface Finishes. Contact Us Today for a Competitive Quote.
Specifications of SS 304/304L/316/316L/321/321H Cotter Pin
| Parameter | Specifications |
|---|---|
| Material Grade | SS 304, SS 304L, SS 316, SS 316L, SS 321, SS 321H |
| Material | Stainless Steel |
| Type | Cotter Pin / Split Pin |
| Size Range | 1/32 inches to 3/8 inches |
| Length | ¼ – 6 inches |
| Shape | U Shape |
| Standards | DIN 94, ISO 1234, BS 574, IS 549 |
| Types | Circle, Bow Tie, Self-Locking, T-Head / Ring, Hammerlock / Humped |
| Head Type | Spherical, Plain, Split, Dome, Flat |
| Finish | Polished, Passivated, Plain |
| Temperature Range | -200°F to 800°F / -129°C to 427°C |
| Packaging | Boxes, Bulk, Individual Packs |
| Applications | Automotive, Marine, Construction, Machinery, Industrial Equipment and General Engineering |
SS 304/304L/316/316L/321/321H Cotter Pin Size Chart
| Nominal Size (mm) | Diameter (mm) | Length Range (mm) |
|---|---|---|
| 1.0 | 1.0 | 10–25 |
| 1.2 | 1.2 | 10–32 |
| 1.6 | 1.6 | 12–40 |
| 2.0 | 2.0 | 16–50 |
| 2.5 | 2.5 | 20–60 |
| 3.2 | 3.2 | 25–75 |
| 4.0 | 4.0 | 30–90 |
| 5.0 | 5.0 | 35–100 |
| 6.3 | 6.3 | 40–125 |
| 8.0 | 8.0 | 50–150 |
| 10.0 | 10.0 | 60–175 |
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SS 304/304L/316/316L/321/321H Cotter Pin Chemical Composition
| Grade | Carbon (C) | Manganese (Mn) | Silicon (Si) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) | Titanium (Ti) | Other |
|---|---|---|---|---|---|---|---|---|---|---|
| SS 304 | 0.08 max | 2.00 max | 0.75 max | 0.045 max | 0.030 max | 18.0–20.0 | 8.0–11.0 | – | – | – |
| SS 304L | 0.03 max | 2.00 max | 0.75 max | 0.045 max | 0.030 max | 18.0–20.0 | 8.0–13.0 | – | – | – |
| SS 316 | 0.08 max | 2.00 max | 0.75 max | 0.045 max | 0.030 max | 16.0–18.0 | 10.0–14.0 | 2.0–3.0 | – | – |
| SS 316L | 0.03 max | 2.00 max | 0.75 max | 0.045 max | 0.030 max | 16.0–18.0 | 10.0–14.0 | 2.0–3.0 | – | – |
| SS 321 | 0.08 max | 2.00 max | 0.75 max | 0.045 max | 0.030 max | 17.0–20.0 | 9.0–13.0 | – | 5 × C min | – |
| SS 321H | 0.04–0.10 | 2.00 max | 0.75 max | 0.045 max | 0.030 max | 17.0–20.0 | 9.0–13.0 | – | 4 × C min | – |
Ready Stock of SS 304/304L/316/316L/321/321H Cotter Pin
SS 304/304L/316/316L/321/321H Cotter Pin Application Industries
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