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SKU:55665042
Heavy Hex Nut with a nylon-filled collar at its back end. When the cap screw or bolt reaches the collar, the threads and nylon form a tight, frictional fit, restricting movement of the cap-screw or bolt when it is subjected to vibration. Identical to the NU-series heavy hex nylon insert stop nut but approximately 35% less thick from top to bottom. Thin pattern heavy hex nuts are used when an insufficient number of projecting threads are present to use a full heavy hex nylon insert stop nut
Has greater surface area than NM-series nuts, making wrenching easier.
Deisgned to be used with cap screws which have a minimum tensile strength not greater than 90,000 pcs.
Used in bridge and building construction, material handling, heavy equipment and field machinery.
Steel nylon insert stop nuts are less expensive than grade-C automation lock nuts.
Also known as Nylon Insert Stop Nuts, Nylock Nuts, Elastic Lock Nuts, Elastic Stop Nuts
