#4-40, 1/2" Length Under Head, Pan Head, #1 Phillips Self Sealing Machine Screw MPN:R4-40X1/2

The #4-40 pan head self-sealing machine screw offers excellent versatility with its #1 Phillips flathead recess for a variety of light duty assemblies in various applications such as electronics, instrumentation or appliance manufacturing. It features an under-head length of 5/8 inch for a minimal height above the panel making it suitable where space is constrained while its self-sealing attribute ensures it seals automatically upon tightening thus eliminating the need for sealants on the thread's outer edge making assembly easier and mess free, saving time while reducing maintenance efforts.