Castle & Slotted Hex Nuts
Slotted hex nuts have opposing slots cut into the end of the opposite side of the bearing surface. Slots are used for the insertion of a safety wire or cotter pin, creating a secure hold that prevents loosening or unscrewing.
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Castle Hex Nuts vs. Slotted Hex Nuts
While they are similar, there is a difference between castellated nuts and slotted hex nuts, making them unique for different applications.
Castle Hex Nuts
Castellated hex nuts, or “castle nuts,” are created with a circular section at the top of the nut where the slots are formed. This circular section creates a small amount of surface area along the top of the nut, allowing a cotter pin to be wrapped around the fastener for a very compact and tight hold.
Slotted Hex Nuts
Unlike castle nuts, slotted hex nuts do not have a raised circular section for the slots. Rather, the slots are cut into the hex nut itself.
Types and Sizes of Slotted Nuts
Fastener Solutions carries a variety of slotted hex and castle nuts. Fastener Solutions offers a range of imperial sizes for our slotted hex nuts and castle nuts. Options include:
Contact Fastener Solutions for Slotted Hex Nuts Today
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