General description The CCYKXA M4 Hexagon Nuts are made from durable A2 V2A stainless steel and feature a nylon insert for enhanced locking capability. These self-locking nuts are designed to prevent loosening due to vibration, making them ideal for both indoor and outdoor applications. Technical specifications Material: A2 V2A stainless steel with nylon insert Internal thread size: M4 Quantity: 25 pieces Usage Suitable for standard screws and bolts Can be used in various industries including electrical, automotive, mechanical, and aerospace Designed for both indoor and outdoor use