MF TYPE CURVED LOCK NUT, 5/8in THREAD; PACKAGED 100/BOX & 1,000/MASTER CARTON

Used with regular square nuts to create a vibration resistant fit. When the MF lock nut contacts the reqular nut, turn an additional 1/2 to 3/4's turn with wrench to firmly lock in place.

The Hubbell-Chance brand of pole line construction fasteners consist of machine and carriage bolts, flat, curved square and round washers, lock washers, washer nuts, locknuts, staples and lag screws. All products are designed and manufactured per applicable electric utility and communications industry standards.