cotter pins

Specification Highlights:

• Material Options:

  • Mild Steel (MS)

  • Stainless Steel (SS304, SS316) – corrosion-resistant

  • Brass – non-corrosive and non-magnetic

  • Copper – for electrical and marine use

  • Aluminum – lightweight applications

• Common Types:

  • Standard Split Cotter Pin (most common type)

  • Extended Prong Cotter Pin (for easy bending)

  • Hammer Lock Cotter Pin

  • Tapered/Flat Cotter Pin (for keyed joints)

• Size Range:

  • Diameter: 1.0 mm to 12 mm (or 1/32" to 1/2")

  • Length: 10 mm to 150 mm (or 3/8" to 6")

  • Custom sizes available for industrial use

• Finish / Coating Options:

  • Self-colored / plain

  • Zinc plated (for rust resistance)

  • Galvanized

  • Black oxide finish

  • Passivated (for stainless steel)

• Standards Compliance:

  • DIN 94

  • IS 549

  • ISO 1234

  • ANSI B18.8.1

• Installation Method:

  • Inserted through a pre-drilled hole in a shaft or fastener

  • Ends are bent outward using pliers to lock it in place

  • Easily removable when maintenance or disassembly is required

• Applications:

  • Locking of castle nuts on axles, shafts, and bolts

  • Securing clevis pins in linkages and hinges

  • Agricultural equipment and trailers

  • Heavy machinery, cranes, and construction tools

  • Automotive suspensions and brake assemblies

• Key Features:

  • Simple and cost-effective locking solution

  • Easy to install and remove

  • Prevents nuts, bolts, or pins from loosening

  • Reliable under vibration and movement

  • Available in various materials and finishes for specific environments

  • Ideal for temporary or semi-permanent fastening needs