Hex nuts are six-sided, internally threaded fasteners, mated with bolts, studs, screws, and other externally threaded products. The addition of the hex nut ensures that the bolt, etc., stays in place.  Hex nuts of standard thickness are called finished hex nuts.
Unit of Measure
Items
GRADE 8 HEX NUT, PLAIN (INCH)

1/4-20 FINISHED HEX NUT GRADE 8
Web Price $152.12

GRADE 8 HEX NUT, PLAIN (INCH)

1/4-28 FINISHED HEX NUT GRADE 8
Web Price $175.09

GRADE 8 HEX NUT, PLAIN (INCH)

1/4-20 FINISHED HEX NUT GRADE 8
Web Price $5.96

GRADE 8 HEX NUT, PLAIN (INCH)

1/4-28 FINISHED HEX NUT GRADE 8
Web Price $8.93

GRADE 8 HEX NUT, PLAIN (INCH)

5/16-18 FINISHED HEX NUT GRADE 8
Web Price $146.11
Diameter N/A 1/4 N/A 1/4 N/A 1/4 N/A 1/4 N/A 5/16
Pitch N/A Coarse N/A Fine N/A Coarse N/A Fine N/A Coarse
Length N/A
Material N/A Grade 8
Finish N/A Plain
Package Quantity N/A 5000 N/A 5000 N/A 100 N/A 100 N/A 3400