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Stainless Steel Cotter Pin

Stainless Steel Cotter Pins, SS 304 & SS 316 Cotter Pins Supplier in Mumbai, India

Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of Stainless Steel Cotter Pins in Mumbai, India, offering fastening components for machinery, engineering, fabrication and industrial assemblies. These pins are manufactured from stainless steel to provide a combination of strength, durability and resistance to corrosion. We supply different diameters and lengths to suit various fastening requirements. Standard and customized sizes can also be provided.

Stainless Steel Cotter Pins are used as retaining fasteners for bolts, clevis pins, castle nuts and other mechanical connections. Their split-leg design allows the ends to be bent after fitting, helping keep the pin securely in place. Stainless steel construction makes them suitable for applications exposed to moisture, chemicals and outdoor conditions. They provide a simple, reusable and economical solution for secondary fastening and locking requirements.

Stainless Steel Cotter Pin, SS 304 & SS 316 Cotter Pin Manufacturer & Supplier in India

These pins are commonly used in automotive, marine, construction, agricultural equipment, industrial machinery and general engineering applications. Different sizes can be selected according to the hole diameter and assembly configuration. We can supply stainless steel cotter pins in various dimensions and finishes as required. Products can also be manufactured according to customer drawings and specifications.

At Unifit Metal Alloys, we supply Stainless Steel Cotter Pins with consistent dimensions and suitable material options for different service environments. Our products are available for regular stock requirements as well as bulk industrial orders. Customized lengths, diameters and packaging can be arranged according to customer needs.

Get the Best Quote for Stainless Steel 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 Stainless Steel Cotter Pin

Parameter Specifications
Sizes 1/32 inches to 3/8 inches
Length ¼ – 6 inches
Shape U Shape
Material Stainless Steel
Standard DIN 94 / BS 574
Specifications IS 549, ISO 1234
Grades SS 304, SS 316
Packaging Boxes, Bulk, Individual Packs
Types Circle, Bow Tie, Self-Locking, T-Head / Ring, Hammerlock / Humped
Head Type Spherical, Plain, Split, Dome, Flat
Benefits Ease of Use, Cost Efficiency, Non-Magnetic, Corrosion Resistance
Finishes Polished, Passivated, Plain
Temperature Range -200°F to 800°F / -129°C to 427°C

Stainless Steel Cotter Pin Size Chart

Nominal Size d Min. d Max. c Min. c Max. b Max. a Min. a Max.
16 15.1 15.4 27 30.8 32 3.1 6.3
1.6 1.3 1.4 2.4 2.8 3.2 1.2 2.5
1 0.8 0.9 1.6 1.8 3 0.8 1.6
6.3 5.7 5.9 10.3 11.8 12.6 2 4
1.2 0.9 1 1.7 2 3 1.2 2.5
10 9.3 9.5 16.6 19 20 3.1 6.3
2 1.7 1.8 3.2 3.6 4 1.2 2.5
4 3.5 3.7 6.5 7.4 8 2 4
2.5 2.1 2.3 4 4.6 5 1.2 2.5
8 7.3 7.5 13.1 15 16 2 4
3.2 2.7 2.9 5.1 5.8 6.4 1.6 3.2
13 12.1 12.4 21.7 24.8 26 3.1 6.3
5 4.4 4.6 8 9.2 10 2 4

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Stainless Steel Cotter Pin Chemical Composition

Grade Element Composition (%)
304 Carbon 0.08
Phosphorus 0.045
Titanium –
Sulfur 0.03
Manganese 2
Chromium 18.0–20.0
Nickel 8.0–11.0
Molybdenum –
Silicon 1
316 Carbon 0.08
Phosphorus 0.045
Titanium –
Sulfur 0.03
Manganese 2
Chromium 16.0–18.0
Nickel 10.0–14.0
Molybdenum 2.00–3.00
Silicon 1

Ready Stock of Stainless Steel Cotter Pin

SS 304 Cotter Pins
SS 316 Cotter Pins
SS 316L Cotter Pins
SS 321 Cotter Pins
SS 347 Cotter Pins
SS 410 Cotter Pins
SS 17-4 PH Cotter Pins
SS 304 Split Pins
SS 316 Split Pins
SS Heavy Duty Cotter Pins

Stainless Steel Cotter Pin Application Industries

Refineries
90%
Oil and Gas Industry
96%
Power Generation
80%
Pharmaceutical Equipment
85%
Pulp & Paper Industry
88%

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