Grade 8 Zinc Yellow Nylon Insert Hex Lock Nut, RH 5/8"-11 x 25/64" H, 20 Pcs

Thread Size: 5/8"-11

Width: 15/16"

Height:  25/64"

Grade 8 Steel

Maximum temperature of the Nylon insert is 220° F

RH Threads

Class 2B Thread Fit