nots and 6 gosh
The standard hex nut is produced in strength grades 6, 8, 10, and 12 per ISO 898-2. Its wrench size across flats ranges from M3 to M100. The standard height is approximately 0.8 times the nominal diameter. Base materials include carbon steel, alloy steel, and stainless steel grades A2-70 or A4-80. Self-locking nuts Nyloc feature an integrated nylon washer with a controlled inner diameter. This collar engages at least 1.5 times the bolt thread diameter. Flange nuts incorporate a one-piece flange with a diameter 1.7 times the wrench size.
Slotted nuts have six grooves for a split pin, used on rotating shafts. Cap nuts have a closed end for safety and aesthetic purposes. Weld nuts are typically made from low-carbon steel with a projection weld pilot. Heavy hex nuts are about 1.5 times taller than standard nuts. These nuts are used in structural applications per ASTM A563. All nut types can be coated with anti-corrosion finishes like zinc flake or dacromet.
