Lock Nut, Finish Zinc Plated, Hex Height 37/64 in, Hex Type Flange Hex Top Lock, Hex Width 3/4 in, Lock Type Top Lock Distorted Thread, Material Steel, Material Grade/Class Grade F, Pack Size Small Pack, Rockwell Hardness B68 to C32, System of Measurement Inch, Thread Direction Right Hand, Thread Size 1/2 In.-13, Package Quantity 25.
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