1Pack M30x3.5mm Hexagon Slotted Nut Grade 8 Carbon Steel Hex Castle Nuts Color Zinc

1. Made of carbon steel with a color zinc 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.