ZORO SELECT NLFI20620NTE-050P Nylon Insert Lock Nut, 5/8"-18, Steel, Grade 2,
Lock Nut, Finish Zinc Plated, Material Steel, Material Grade/Class Grade 2, Thread Size 5/8 In.-18, Hex Width 15/16 in, Hex Height 25/64 in, Lock Type Nylon Insert, System of Measurement Inch, Hex Type Standard Hex, Thread Direction Right Hand,...