5/16-18x2 MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR DTF17HCPT They feature an indented hex

They feature an indented hex washer head that provides a secure hold and prevents stripping

Its coarse threads provide a secure hold in various materials

They are designed for use with 8-32 machine screws and are ideal for a variety of applications

The 30-degree fully threaded design provides a secure hold in a variety of materials

this hex cap screw is an excellent choice for both indoor and outdoor projects

5/16-18x2 MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR DTF17HCPT They feature an indented hex**5 16 18x2 MS51957, NAS 1635 Phil Pan Machine Screw** * **Material:** 300 Series Stainless Steel * **Thread Size:** 5 16 18 * **Length:** 2 inches * **Head Type:** Phillips Pan Head * **Thread Type:** Coarse Full Thread * **Finish:** DFAR Compliant * **Features:** * High strength and corrosion resistance * Full thread for maximum holding power * Phillips pan head for easy driving * DFAR compliant for use in military and aerospace applications