4-40 x 5/16 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox 1/4-8 and its Phillips drive allows

and its Phillips drive allows for easy installation with a standard screwdriver

- Size: 1/4-20 x 3/4 inches

5/16-18x3/4 MS51957

Crafted from high-quality steel and coated with a robust dacrotized finish

4-40 x 5/16 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox 1/4-8 and its Phillips drive allowsThe 4 40 x 5 16 MS51957 B Phil Pan M S Coarse Full Thread 300 Series S S DFAR Black Ox is a high performance screw designed for critical applications in aerospace, defense, and other demanding industries. It features a 4 40 thread size, a 5 16 inch length, and a coarse thread pitch. The MS51957 B designation indicates that it meets the specifications outlined by the Aerospace Material Specification (AMS) 51957 B. The Phil Pan head provides a wide