Description:1. Made of carbon steel with a galvanized finish, this hex slotted nut is of high hardness, not easy to rust, deform, wear-resistant and anti-corrosion.2. The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener.3. Commonly used in industry to secure front wheel bearings or hubs to main shafts on trucks.4. Suitable for some repair and maintenance in the mechanical industry, shops, garages, household furniture fasteners, etc.Specification:Grade: 6.8Material: Carbon SteelThread Size: 1/2"-20UNFThread Pitch: 1.27mm/0.05"Slot Width: 4.2mm/0.17"Hex Width: 18.8mm/0.74"Height: 11.3mm/0.44"Package Content: 8 x Hexagon Slotted Nut.
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