1 1/4"-12 Hex Jam Nuts/Steel/Plain Finish (Quantity: 10)

Jam nuts are tightened against the work surface and a finished or heavy hex nut is tightened agianst the jam to keep it from loosening | Thread Diameter-Pitch: 1 1/4"-12 inches | Width Across the Flats: 1 7/8" inches | Thickness/Height: 23/32" inches | Manufactured to ASME B18.2.2 & SAE J995 specifications