4-40 x 3/8 Six Lobe Pan Head External Tooth Sems Machine Screw Fully Threaded Zinc WSAEY The zinc plating helps to

The zinc plating helps to protect the bolt from rust and corrosion

ensuring a secure hold for heavy-duty applications

this screw features a hexagonal head for easy driving and a fully threaded body for maximum holding power

making it ideal for use in high-vibration environments

4-40 x 3/8 Six Lobe Pan Head External Tooth Sems Machine Screw Fully Threaded Zinc WSAEY The zinc plating helps toThe 4 40 x 3 8 Six Lobe Pan Head External Tooth Sems Machine Screw Fully Threaded Zinc is a versatile fastener designed for secure and reliable connections in various applications. Crafted from durable zinc plated steel, it features a six lobe pan head that provides ample bearing surface and a tight, tamper resistant fit. The external teeth on the screw's shank effectively bite into the mating material, preventing loosening and ensuring a strong hold.