4-40 Hex Keps Nuts / Steel / Zinc Green (Quantity: 5000 pcs)
Availablity: In stock
A hex nut pre-assembled with a free spinning external tooth lock washer. The locking action is achieved when the nut is tightened against a bearing surface as the teeth of the lock washer dig into it. Applications/Advantages - This is the most popular type of locknut because of its versatility, cost and ease of installation. Doesn’t gall screw threads.
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