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    154 Products

    Cotter Pins

    Lock the ends of clevis pins and shafts to keep components in place. Slide these cotter pins into a hole and then bend the prongs outward with pliers to secure. Also known as split pins, one prong is slightly longer than the other for easy opening once inserted. Repeated bending will weaken the pin, so they should not be reused.
    Steel
    Image of Product. Front orientation. Contains Annotated. Cotter Pins. Cotter Pins.
    Zinc-Plated Spring Steel—These pins withstand occasional exposure to moisture. However, since friction from moving parts can wear away the finish, they're not ideal for wet environments. While not nearly as corrosion resistant as stainless steel, they are stronger and won’t deform under stress.
    Lg.,
    mm
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Spring Steel
     
    1 mm Diameter
    8DIN 94, ISO 123420000000000000000
    10DIN 94, ISO 12342000000000000000
    12DIN 94, ISO 123420000000000000000
    16DIN 94, ISO 123420000000000000000
    20DIN 94, ISO 12342000000000000000
    25DIN 94, ISO 123420000000000000000
     
    1.6 mm Diameter
    8DIN 94, ISO 123420000000000000000
    10DIN 94, ISO 123420000000000000000
    12DIN 94, ISO 123420000000000000000
    16DIN 94, ISO 123420000000000000000
    20DIN 94, ISO 123420000000000000000
    25DIN 94, ISO 123420000000000000000
    32DIN 94, ISO 123420000000000000000
    36DIN 94, ISO 123420000000000000000
    40DIN 94, ISO 123420000000000000000
     
    2 mm Diameter
    10DIN 94, ISO 1234500000000000000
    12DIN 94, ISO 1234500000000000000
    16DIN 94, ISO 1234500000000000000
    18DIN 94, ISO 1234500000000000000
    20DIN 94, ISO 1234500000000000000
    22DIN 94, ISO 1234500000000000000
    25DIN 94, ISO 1234250000000000000
    32DIN 94, ISO 1234250000000000000
    36DIN 94, ISO 1234500000000000000
    40DIN 94, ISO 1234250000000000000
    45DIN 94, ISO 1234250000000000000
    50DIN 94, ISO 1234250000000000000
     
    2.5 mm Diameter
    16DIN 94, ISO 1234500000000000000
    20DIN 94, ISO 1234500000000000000
    25DIN 94, ISO 1234250000000000000
    32DIN 94, ISO 1234250000000000000
    36DIN 94, ISO 1234500000000000000
    40DIN 94, ISO 12342500000000000000
    45DIN 94, ISO 1234250000000000000
    50DIN 94, ISO 1234250000000000000
     
    3.2 mm Diameter
    10DIN 94, ISO 1234500000000000000
    16DIN 94, ISO 1234500000000000000
    18DIN 94, ISO 1234500000000000000
    20DIN 94, ISO 1234500000000000000
    25DIN 94, ISO 1234250000000000000
    28DIN 94, ISO 1234250000000000000
    32DIN 94, ISO 1234250000000000000
    36DIN 94, ISO 1234250000000000000
    40DIN 94, ISO 1234250000000000000
    45DIN 94, ISO 1234250000000000000
    50DIN 94, ISO 1234250000000000000
    63DIN 94, ISO 1234250000000000000
     
    4 mm Diameter
    20DIN 94, ISO 1234500000000000000
    25DIN 94, ISO 1234250000000000000
    28DIN 94, ISO 1234250000000000000
    32DIN 94, ISO 1234250000000000000
    36DIN 94, ISO 1234250000000000000
    40DIN 94, ISO 1234250000000000000
    45DIN 94, ISO 1234250000000000000
    50DIN 94, ISO 12342500000000000000
    56DIN 94, ISO 12342500000000000000
    63DIN 94, ISO 12342500000000000000
    71DIN 94, ISO 12342500000000000000
     
    5 mm Diameter
    25DIN 94, ISO 1234250000000000000
    32DIN 94, ISO 12342500000000000000
    36DIN 94, ISO 12342500000000000000
    40DIN 94, ISO 12342500000000000000
    45DIN 94, ISO 12342500000000000000
    50DIN 94, ISO 12342500000000000000
    56DIN 94, ISO 12342500000000000000
    63DIN 94, ISO 12342500000000000000
    71DIN 94, ISO 12342500000000000000
    80DIN 94, ISO 12342500000000000000
    100DIN 94, ISO 12342500000000000000
     
    6.3 mm Diameter
    40DIN 94, ISO 1234100000000000000
    50DIN 94, ISO 1234100000000000000
    56DIN 94, ISO 1234100000000000000
    63DIN 94, ISO 1234100000000000000
    71DIN 94, ISO 12341000000000000000
    80DIN 94, ISO 12341000000000000000
    90DIN 94, ISO 12341000000000000000
    100DIN 94, ISO 12341000000000000000
     
    8 mm Diameter
    40DIN 94, ISO 12341000000000000000
    45DIN 94, ISO 12341000000000000000
    50DIN 94, ISO 12341000000000000000
    56DIN 94, ISO 12341000000000000000
    63DIN 94, ISO 12341000000000000000
    71DIN 94, ISO 12341000000000000000
    80DIN 94, ISO 12341000000000000000
    90DIN 94, ISO 12341000000000000000
    100DIN 94, ISO 12341000000000000000
    125DIN 94, ISO 1234500000000000000
     
    10 mm Diameter
    63DIN 94, ISO 12341000000000000000
    71DIN 94, ISO 1234500000000000000
    80DIN 94, ISO 1234500000000000000
    90DIN 94, ISO 1234500000000000000
    100DIN 94, ISO 1234500000000000000
    125DIN 94, ISO 123410000000000000
    140DIN 94, ISO 123410000000000000
     
    13 mm Diameter
    125DIN 94, ISO 123410000000000000
    140DIN 94, ISO 123410000000000000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Contains Annotated. Cotter Pins. Cotter Pins.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these pins resist rusting. They are strong enough to join most components but won't withstand extreme stress and vibration as well as steel.
    Lg.,
    mm
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
     
    1.6 mm Diameter
    8DIN 94, ISO 123410000000000000000
    10DIN 94, ISO 12341000000000000000
    12DIN 94, ISO 12341000000000000000
    14DIN 94, ISO 123410000000000000000
    16DIN 94, ISO 12341000000000000000
    20DIN 94, ISO 123410000000000000000
    22DIN 94, ISO 123410000000000000000
    25DIN 94, ISO 123410000000000000000
    28DIN 94, ISO 123410000000000000000
     
    2 mm Diameter
    10DIN 94, ISO 12341000000000000000
    12DIN 94, ISO 123410000000000000000
    14DIN 94, ISO 123410000000000000000
    16DIN 94, ISO 123410000000000000000
    20DIN 94, ISO 123410000000000000000
    22DIN 94, ISO 123410000000000000000
    25DIN 94, ISO 123410000000000000000
    28DIN 94, ISO 123410000000000000000
    32DIN 94, ISO 12345000000000000000
    40DIN 94, ISO 12345000000000000000
     
    2.5 mm Diameter
    12DIN 94, ISO 123410000000000000000
    16DIN 94, ISO 123410000000000000000
    18DIN 94, ISO 123410000000000000000
    20DIN 94, ISO 123410000000000000000
    22DIN 94, ISO 123410000000000000000
    25DIN 94, ISO 123410000000000000000
    50DIN 94, ISO 123410000000000000000
     
    3.2 mm Diameter
    16DIN 94, ISO 12345000000000000000
    18DIN 94, ISO 12345000000000000000
    20DIN 94, ISO 12345000000000000000
    22DIN 94, ISO 12345000000000000000
    25DIN 94, ISO 12342500000000000000
    32DIN 94, ISO 12342500000000000000
    40DIN 94, ISO 1234250000000000000
    45DIN 94, ISO 12342500000000000000
    50DIN 94, ISO 12342500000000000000
     
    4 mm Diameter
    20DIN 94, ISO 12342500000000000000
    25DIN 94, ISO 12342500000000000000
    28DIN 94, ISO 12342500000000000000
    32DIN 94, ISO 12342500000000000000
    40DIN 94, ISO 12342500000000000000
    80DIN 94, ISO 12342500000000000000
     
    5 mm Diameter
    32DIN 94, ISO 12341000000000000000
    36DIN 94, ISO 12341000000000000000
    40DIN 94, ISO 12341000000000000000
    45DIN 94, ISO 12341000000000000000
    50DIN 94, ISO 12341000000000000000
    80DIN 94, ISO 12341000000000000000
     
    6.3 mm Diameter
    32DIN 94, ISO 1234500000000000000
    40DIN 94, ISO 1234500000000000000
    45DIN 94, ISO 1234500000000000000
    50DIN 94, ISO 1234500000000000000
    56DIN 94, ISO 1234500000000000000
    63DIN 94, ISO 1234500000000000000
    90DIN 94, ISO 1234500000000000000
     
    8 mm Diameter
    63DIN 94, ISO 1234500000000000000
    90DIN 94, ISO 1234500000000000000
    100DIN 94, ISO 1234500000000000000
     
    10 mm Diameter
    71DIN 94, ISO 1234500000000000000
     
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