#4-40, 3/8" Length Under Head, Pan Head, #1 Phillips Self Sealing Machine Screw MPN:R4-40X3/8

The self-seating machine screw with a #4-40 thread and 3/8-inch length under head pan head is an excellent choice for creating secure joints between materials, particularly in electronic devices or precision assemblies where high accuracy is crucial. Its unique design features a rounded under head that self-threads into the material, eliminating the need for pre-drilling, thereby saving time and reducing the risk of damaging the workpiece. This versatile screw measures 0.0426'' in diameter by 3/8-inch long and offers outstanding corrosion resistance with a yellow passivated finish that meets FDA requirements for food service applications. Its high torque capacity ensures that it remains securely fastened under vibration or mechanical stress, making it perfect for automotive, aerospace, medical equipment or computer hardware.