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Cotter Pins
A Cotter Pin (also called a Split Pin or Tongue Pin in some regional terminologies) is a metal fastener with a looped head and two tines (legs) that are bent to secure it in place. It is inserted through a pre-drilled hole—typically in a clevis pin, castle nut, or shaft—and the tines are bent outward to prevent loosening or withdrawal.
Product Name:
Cotter Pin/Split PinMaterial:
Low-carbon Steel, Stainless Steel (SS304 / SS316), Brass, CopperSuface Finish:
Plain, Zinc Plating (yellow/blue-white), Hot-dip Galvanized, PassivationSize:
Nominal Ø0.6–Ø13 mm (by hole diameter); Imperial equivalents availableHead Type:
Looped/eye head (formed by folded half-round wire)Drive Type:
N/A — installed and bent by hand/pliersLength Rage:
Approx. 6 mm – 160 mm; longer sizes on requestDrill Point Type:
N/A — two prongs spread open to lock in placeHardness Grade:
Soft/ductile (must bend without breaking); not heat-treatedSuitable Material:
Used through drilled holes in shafts, bolts, slotted/castle nutsTensile / Shear Strength:
Functions as a locking/retaining device rather than a load-bearing pinApplicable Standard:
ISO 1234, DIN 94, GB 91, ASME B18.8.1Customization:
Customizable material, size, length, finish, OEM marking, packaging
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Product Description
A Cotter Pin (also called a Split Pin or Tongue Pin in some regional terminologies) is a metal fastener with a looped head and two tines (legs) that are bent to secure it in place. It is inserted through a pre-drilled hole—typically in a clevis pin, castle nut, or shaft—and the tines are bent outward to prevent loosening or withdrawal.
Hot Tags: Stainless Steel Ring Handle Spring Lock Quick Release Pin,Spring Loaded Wire Lock Quick Release Pin
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