1/4-20 x 1/2 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR WSAEBZ The indented hex washer head

The indented hex washer head offers a secure grip during installation and prevents overtightening

- **Thread Type:** Six Lobe Pan

This cap nut is easy to install and remove

Machine Screw Thread

mounting shelves

1/4-20 x 1/2 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR WSAEBZ The indented hex washer headThe 1 4 20 x 1 2 MS51959, NASM51959 Phil Flat Machine Screw is a high quality fastener designed to meet the stringent requirements of aerospace and military applications. It is manufactured from 300 series stainless steel, providing excellent corrosion resistance and durability. The full thread design allows for maximum engagement with the mating material, ensuring a secure and reliable connection. The Phil flat head provides a low profile and a flush