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The VALUE COLLECTION 42538 is an extended prong cotter pin designed for use in mechanical assemblies where a positive, tamper-resistant locking method is required. Manufactured from Grade 2 steel with a zinc-plated finish, this pin measures 3.2 millimeters in diameter with a 32 millimeter usable length. The extended prong design allows the prongs to be bent back securely after insertion, preventing backed-out fasteners in high-vibration or load-bearing applications. Sold individually per package with a minimum order quantity of 200 units, making it suitable for shop-stock replenishment or production-line use.
Extended prong cotter pins are used across a wide range of mechanical maintenance and assembly applications including HVAC equipment linkages, plumbing valve stem retention, electrical panel hardware, and general industrial equipment. This pin is appropriate for use wherever a clevis pin, castle nut, or slotted fastener requires a reliable mechanical lock. The zinc plating provides baseline corrosion resistance in indoor and moderately humid environments.
Designed as a standard metric extended prong cotter pin for use with clevis pins, castle nuts, slotted shaft ends, and similar mechanical fastening hardware requiring a through-hole locking pin.
Installation requires needle-nose pliers to spread and bend the prongs after the pin is fully seated through the hole. Ensure the pin diameter matches the hole tolerance of the mating component before installation. Cotter pins are single-use fasteners and should not be reused after removal. Always de-energize or lock out equipment before accessing mechanical assemblies containing cotter pins.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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