Nominal Size: 3/4"
Thread: 10 TPI (Coarse)
Width Across Flats: 1-1/8"
Height: 13/32"
Across-Corners Size: 1-1/4"
Material: Stainless Steel
Shape: Jam Nut
Hardness: 18-8
Type: Jam Nut
Box of 4.
A jam nut is a low profile type of nut, typically half as tall as a standard nut. It is commonly used as a type of locknut, where it is "jammed" up against a standard nut to lock the two in place. It is also used in situations where a standard nut would not fit.