10Pcs M10x1mm Hexagon Slotted Nut, Grade 4.8 Carbon Steel Hex Castle Nuts, Black

These slotted nuts are engineered for applications where vibration resistance is essential. Made from robust carbon steel with a black zinc finish, they combine practical protection with a professional appearance.

• 【Precision Slotted Design for Cotter Pin】These slotted nuts feature evenly spaced slots (3.25mm apart) that align perfectly with cotter pins, providing secure locking to prevent loosening under vibration. Ideal for axle hubs, wheel bearings, and mechanical linkages.
• 【Durable Carbon Steel with Black Zinc Coating】Made from hardened carbon steel and finished with black zinc plating, these castle nuts offer excellent wear resistance and moderate corrosion protection. The black matte surface blends well with industrial or automotive components.
• 【Precise M10 x 1mm Thread & 17mm Hex Size】Manufactured to M10 x 1mm fine thread pitch with a 17mm hex across flats, ensuring a snug fit on standard bolts and easy tightening with common wrenches. Height measures 11.35mm for consistent torque application.
• 【Anti-Vibration Locking for High-Stress Environments】Unlike standard hex nuts, these slotted nuts are specifically designed to work with cotter pins or safety wire, preventing accidental loosening in high-vibration applications such as machinery, agricultural equipment, and vehicle suspensions.
• 【Convenient Pack of 10 – Ready for Repair or Build】Each order includes 10 pieces of black slotted nuts. Perfect for replacing worn nuts on trailers, go-karts, lawn equipment, or DIY mechanical projects.