Metro Industries
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Slotted Hex Nut

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How to measure: Slotted and castle nut (inch)
How to measure: Slotted and castle nut
A cotter pin through the slots and the bolt keeps the nut from turning.

1 part number match your filters

Size Thread Material Drive Thread Series Sold by In stock Part number Price
3/8" Diameter
3/8-16 16 TPI Steel Slotted USS/Coarse Each Out of stock NSL-38 $0.33 / each