Steel Square Nut Plain Finish Grade 2 Meets ASME B18.2.2 1/2 -13 Thread Size 13/16 Width Across Flats 7/16 Thick Pack of 50
- Square nut has a flat top with a large bearing surface and four flat sides for a wrench to grip.
- Grade 2 steel is often used in applications where toughness is the primary consideration.