Flange nuts, prevailing torque, Zinc plated grade 8 (grade G) steel yellow, 5/8"
Nut size (A.K.A. diameter) is the size bolt that the nut is used with. The same is true of the thread count. Thus a 1/4"-20 nut fits a 1/4"-20 bolt.
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Metric flange nuts, prevailing torqueAn all metal lock nut with a built in washer often used in high temperature applications. This style of lock nut deforms the threads of the mated fastener. Can be domed or flat style. |
Flange boltsFlange bolts have a flange on the bottom of the head that distributes the load like a washer. |