Connect Copper Flashed Nut Slotted Lock M10 x 1.5 x 14mm Hex 5 Piece Set - 30738 - Copper

These nuts are specifically designed for use in Chrysler and Mercedes-Benz vehicles, particularly for securing exhaust manifold studs.

It means the nut has a thin coating of copper applied to its surface. This coating enhances corrosion resistance and provides a degree of lubricity.

The slotted lock feature is designed to prevent the nut from loosening due to vibration, which is common in exhaust systems.

While they have M10 x 1.5 threads, they are specifically recommended and designed for use with Connect exhaust manifold studs Part Nos. 35423, 35425, and 35427 for optimal performance and fit.

This is a 5-piece set, meaning it contains five individual nuts.

A 14mm wrench or socket is required for tightening these nuts.

These nuts are specifically designed for exhaust manifold stud applications on certain Chrysler and Mercedes-Benz models. It is best to use them only for their intended purpose as specified.

Check that the stud is clean and undamaged. Verify that the thread size (M10 x 1.5) matches. Ensure you are using the correct compatible stud part number.

Confirm that the correct torque specification was applied using a calibrated torque wrench. Ensure the slotted lock feature is properly engaged. Check for any damage to the stud or manifold threads.

While copper flashing provides resistance, extreme conditions can still cause corrosion. Inspect regularly and replace if significant degradation occurs. Ensure proper storage when not in use.