4-40 x 3/8 MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR BPP188 These screws feature a trim

These screws feature a trim head that sits flush with the drywall surface

It is simply inserted into a hole in the material and then squeezed into place

The 4-40 x 1/2 Phillips Pan Machine Screw is a fully threaded screw made of 18-8 stainless steel

With a plain center design

providing ample holding power

4-40 x 3/8 MS51957, NAS-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR BPP188 These screws feature a trim**4 40 x 3 8 MS51957, NAS 1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S S DFAR** This machine screw is a 4 40 x 3 8 inch, coarse thread, full thread screw made of 300 series stainless steel. It meets the specifications of MS51957 and NAS 1635. The screw has a Phillips pan head and is DFAR compliant. It is designed for use in a variety of applications, including aerospace, automotive, and electronics. The screw is corrosion resistant and