Also known as collar nuts, these metric nuts have a flange that distributes pressure across the surface, so you don't need a washer. Made of high-strength Class 10 steel, they’re about 25% stronger than medium-strength steel flange nuts.

About half the strength of medium-strength steel flange nuts, use these metric nuts in light duty fastening applications, such as securing access panels.

Skip the washer—these metric stainless steel nuts have a flange that does the same job, spreading pressure across its surface for a strong hold.

Strong enough for use in most machinery and equipment, these medium-strength metric nuts have serrations on the underside of the flange. The serrations prevent the nuts from loosening in applications with mild vibration.

Metric 18-8 stainless steel is also known as A2 stainless steel. These flange locknuts have good chemical resistance and may be mildly magnetic.

These flange nuts have a black-oxide finish for mild corrosion resistance in dry environments.

A smooth base on these metric nuts provides more contact with the mating surface than weld nuts with projections

Weld these nuts to stainless steel surfaces.

Weld these nuts to stainless steel surfaces.

Stainless steel adhesive-mount nuts have excellent corrosion resistance in most environments.

These metric thumb nuts have good chemical resistance. The flange distributes pressure over a large area to reduce stress on your part.