1"-14 Hex Jam Nuts, Steel Zinc Plated, Pack of 250 - Heavy Duty Fasteners for Automotive, Machinery & DIY Projects

A six-sided internally threaded fastener which is only 2/3 the thickness of a full form nut

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"-14 inches

Width Across the Flats 1 1/2" inches

Thickness/Height 35/64" inches

Manufactured to ASME B18.2.2 & SAE J995 specifications