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    Castle Nut

    Castle Nut

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    • Nuts shall be made from a low carbon steel which conforms to the following chemical composition requirements: Carbon:  .47% max   Phosphorus:  .12% max   Sulfur:  .23% maxRockwell C32 maximum
    • A hex nut with opposed slots cut into the top, cylindrical portion, of the nut. The slots are on the end opposite the bearing surface and are equal in depth to the cylindrical length. The cylindrical portion diameter is slightly smaller than the hex widthThe slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener. Commonly used in the automotive industry to secure front wheel bearings / wheel hubs to spindles on cars and trucks. Castle nuts are interchangeable
    • Supply TypeManufacturer, Exporter, Supplier, Retailer
    • Preferred Buyer Location All over the world

    A castellated nut, also called a castle nut or slotted nut, is a nut with slots (notches) cut into one end.The name comes from the nut’s resemblance to the crenellated parapet of a medieval....
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    K. M. Steel India
    location Khetwadi, Mumbai, Maharashtra
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    • calendar Member Since 13 Years
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    A castellated nut, also called a castle nut or slotted nut, is a nut with slots (notches) cut into one end.The name comes from the nut’s resemblance to the crenellated parapet of a medieval castle.

    The bolt or axle has one or two holes drilled through its threaded end. The nut is torqued properly and then, if the slot is not aligned with the hole in the fastener, the nut is rotated back to the nearest slot. The nut is then secured with a cotter pin or safety wire.

    Castellated nuts are used in low-torque applications, such as holding a wheel bearing in place

    Castle Nuts Dimensions

    Slotted Hex Castle Lock Nuts
    Hex Castle Nuts - ANSI B18.2.2 - 1970



    Nominal Size or
    Basic Major
    Thread Diameter    		FGHTSRWRunout
    of
    Bearing
    Surface
    FIR
    Width
    Across Flats    		Width
    Across
    Corners    		ThicknessUnslotted
    Thickness and
    Flat Height    		Slot
    Width    		Fillet
    Radius    		Cylinder
    Diameter
    BasicMaxMinMaxMinBasicMaxMinNomMaxMinMaxMin+.010MinMax
    1/4.2507/16.438.428.505.4889/32.288.2743/16.20.18.10.07.094.371.015
    5/16.31251/2.500.489.577.55721/64.336.32015/64.24.22.12.09.064.425.016
    3/8.37509/16.562.551.650.62813/32.415.3989/32.29.27.15.12.094.478.017
    7/16.437511/16.688.675.794.76829/64.463.44419/64.31.29.15.12.094.582.018
    1/2.50003/4.750.736.866.8409/16.573.55213/32.42.40.18.15.125.637.019
    9/16.56257/8.875.8611.010.98239/64.621.59827/64.43.41.18.15.156.744.020
    5/8.625015/16.938.9221.0831.05123/32.731.7061/2.51.49.24.18.156.797.021
    3/4.75001-1/81.1251.0881.2991.24013/16.827.7989/16.57.55.24.18.188.941.023
    7/8.87501-5/161.3121.2691.5161.44729/32.922.89021/32.67.64.24.18.1881.097.025
    11.00001-1/21.5001.4501.7321.65311.018.98223/32.73.70.30.24.1881.254.027














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