A slotted nut, also known as a castellated nut, is a hex nut with opposed slots cut into the top of the nut through the centers of the flats. The slots are on the end opposite the bearing face. The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener. For heavier duty applications BW Industrial Sales carries a heavy hex slotted nut.
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Specifications of Slotted Hex NutsThe heavy hex variety can withstand a somewhat greater proof load than a standard slotted nut. Nuts are made from a low carbon steel which conforms to a Rockwell Hardness of C32. Available and ready-to-ship in a variety of sizes and finishes. Browse our selection of slotted nuts for your building projects and industrial applications.