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QA1 steel jam nut kit contains six left-hand 5/8-18 jam nuts with a 15/16" hex, intended to supply multiple locking points in an assembly. Built from steel for greater strength, these jam nuts are suitable where left-hand thread security is necessary and where a consistent wrenching size helps standardize installation and maintenance.
QA1 Jam Nut - 5/8-18 Left Hand - 15/16 Hex 3/8in Wide - Steel - 6 Pack
