A hex nut that is both thicker and wider across the flats than a same sized finish hex nut.
Strongest of all comparably graded nuts because of its greater length of thread engagement and greater resistance to dilation.
Made from low carbon steel.
Proof load: 100,000 psi.
Zinc plated.
Size: 5/16″-18.
A hex nut that is both thicker and wider across the flats than a same sized finish hex nut. Strongest of all comparably graded nuts because of its greater