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Hex Castle Nuts, Grade 2, Plain Finish

Castle Nut

Also known as:  

Castellated Nuts, Slotted Nuts

Castle Nuts are used with bolts or studs that have a hole drilled in their threaded section. Once the nut is installed, a cotter pin, safety lockwire or spring pin is inserted through opposing slots in the nut and the bolt's hole to prevent the nut from loosening. Slotted Nuts have a flat top; Castle Nuts have a higher profile because of their slotted cylindrical top.

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Code Product Qty. Package Qty. Carton  
NT166-7342 1/4-28 Hex Castle Nut, Grade 2, Plain Finish (no rust protection)
NT166-9342 5/16-24 Hex Castle Nut, Grade 2, Plain Finish (no rust protection)
NT166-5352 1/2-20 Hex Castle Nut, Grade 2, Plain Finish (no rust protection)
NT166-7352 9/16-18 Hex Castle Nut, Grade 2, Plain Finish (no rust protection)
NT166-9352 5/8-18 Hex Castle Nut, Grade 2, Plain Finish (no rust protection)
NT166-1352 3/4-16 Hex Castle Nut, Grade 2, Plain Finish (no rust protection)
NT166-3352 7/8-14 Hex Castle Nut, Grade 2, Plain Finish (no rust protection)
NT166-5362 1-14 Hex Castle Nut, Grade 2, Plain Finish (no rust protection)
NT166-7362 1 1/8-12 Hex Castle Nut, Grade 2, Plain Finish (no rust protection)
NT166-9362 1 1/4-12 Hex Castle Nut, Grade 2, Plain Finish (no rust protection)