A hexagonal nut is a type of metal fastener that has six sides. Most nuts are cut in a hexagonal shape, since it seems to be the easiest shape to grasp. Nuts, in any form, are almost exclusively used to fasten a bolt to another object.that is used in conjunction with an externally threaded fastener such as a hex head cap screw, carriage bolt, or threaded stud. Hex Nuts are turned with a wrench or a socket.
Hex nuts Dimensions are defined in both metric and imperials with unified natinao coarse pitch(UNC),and fine pitch (UNF),BSW and metric thread .
Metric & Multistandard Components Corp. supplies Metric Hexagon Nuts in many different materials including Property Classes4, 8, 10, and 12, Stainless Steel.
| Size | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 1/2 BSW | 9/16 | 5/8 | 3/4 |
| T.P.I | 20G | 18G | 16G | 14G | 13G | 12G | 12G | 11G | 10G |
| A/F | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | 13/16 | 13/16 | 15/16 | 1-1/8 |
| Height | 5.8MM | 7.0MM | 8.6MM | 9.8MM | 11.4MM | 11.4MM | 12.6MM | 14.2MM | 16.9MM |
| Size | 7/8 | 1" | 1-1/8 | 1-1/4 | 1-3/8 | 1-1/2 | 1-3/4 | 2" |
| T.P.I | 9G | 8G | 7G | 7G | 6G | 6G | 5G | 4.5G |
| A/F | 1-5/16 | 1-1/2 | 1-11/16 | 1-7/8 | 2-1/16 | 2-1/4 | 2-5/8 | 3" |
| Height | 19.7MM | 22.5MM | 25.4MM | 27.8MM | 30.7MM | 33.5MM | 38.1MM |
