Best Seller | FLEXLOC 30FA-1210 Flexible Top Lock Nut, 3/4"-10, Steel, Grade 2, Black Oxide, Lock Nut, Dimensional Standards MIL-S-7742, NASM25027, Finish Black Oxide, Hex Height 21/64 in, Hex Type Standard Heavy Hex, Hex Width 1 1/8 in, Lock Type Flexible Top, Material Steel, Material Grade/Class Grade 2, Maximum Temperature 1,200 Degrees F,... ... more FLEXLOC 30FA-1210 Flexible Top Lock Nut, 3/4"-10, Steel, Grade 2, Black Oxide, Lock Nut, Dimensional Standards MIL-S-7742, NASM25027, Finish Black Oxide, Hex Height 21/64 in, Hex Type Standard Heavy Hex, Hex Width 1 1/8 in, Lock Type Flexible Top, Material Steel, Material Grade/Class Grade 2, Maximum Temperature 1,200 Degrees F,... | | $126.99 go to store |