8-32 x 2 1/2 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR 1/2 They are also often used

They are also often used in automotive and marine applications

and DIY enthusiasts

vibration-resistant threads in metal materials

These 6-13 x 1 1/4-inch square Phil drive flat wood screws with nibs and deep threads are designed for secure fastening in wood applications

8-32 x 2 1/2 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR 1/2 They are also often used8 32 x 2 1 2 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S S DFAR is a high quality fastener designed for use in a variety of applications. It is made from 300 series stainless steel, which provides excellent corrosion resistance and strength. The full thread design allows for maximum holding power, and the phil flat head provides a flush, low profile finish. This screw meets the requirements of MS51959 and NASM51959, and is DFAR