Product Details
The B5/16-18 x 3-1/2" machine screw features a round head and Phillips drive, made from steel with a zinc CR+3 coating, and comes in a package of 100. These machine screws are designed to be used in applications where they go through a hole or nut that has been pre-tapped to form a mating thread. The round head design offers a smooth surface and a more aesthetically pleasing appearance compared to pan head screws.








