The Sealey Threaded Insert Regular M4 Thread is the perfect choice for precision engineering and delicate assembly work requiring smaller diameter threads. This compact M4 size is ideal for electronics enclosures, small appliance repairs, model making, and fine furniture components where space is limited. The zinc plated steel construction provides excellent corrosion resistance whilst maintaining the precise thread tolerances essential for M4 fasteners. Each pack contains 50 inserts, offering excellent value for workshops handling multiple small-scale projects or production runs. The M4 thread size is one of the most commonly used in precision applications, ensuring compatibility with a vast range of metric screws and bolts. These threaded inserts transform soft materials into reliable fastening points, preventing thread stripping and enabling repeated assembly without degradation. Features and Benefits:M4 thread size perfect for precision applicationsZinc plated steel ensures l