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The VALUE COLLECTION 40929 is a zinc-plated steel extended prong cotter pin designed for use in mechanical assemblies where a positive locking device is required to secure pins, bolts, and fasteners in place. Measuring 5/32 inch in diameter and 1 inch in usable length, this cotter pin features extended prongs that spread easily after insertion to lock components securely. The zinc plating provides corrosion resistance suitable for general indoor and light industrial applications. Maintenance technicians and mechanical tradespeople stock these as standard consumable hardware for equipment service and repair work.
Extended prong cotter pins like the 40929 are used across a wide range of mechanical and industrial applications, including securing clevis pins, castle nuts, and shaft-mounted components in HVAC equipment, pumps, and general mechanical systems. The extended prong design gives technicians more material to bend, making installation faster and the resulting lock more positive than a standard cotter pin of equivalent size. These are sold individually but require a minimum order quantity of 100 units, making them well-suited for shop stock or service van inventory.
Designed as a standard extended prong cotter pin for use in general mechanical assemblies requiring a 5/32 inch diameter locking pin up to 1 inch in usable length.
Cotter pins are installed by mechanical and maintenance technicians as part of routine equipment assembly and repair. Always de-energize and lock out equipment before servicing any pinned mechanical connections. Insert the pin fully through the hole in the fastener or shaft, then bend the prongs apart firmly against the mating surface using needle-nose pliers to secure the lock. Cotter pins are single-use fasteners and should never be reused once removed.
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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