4-40 x 1 1/4 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox KWTFMS They have a flat head

They have a flat head and are non-ribbed

as it can tap its own threads into the material

The cup point creates a flush surface when tightened

adjusting components

The 6-32 x 5/16 6-Lobe Truss Machine Screw Fully Threaded Zinc is a small

4-40 x 1 1/4 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox KWTFMS They have a flat headThe 4 40 x 1 1 4 MS51957 B Phil Pan M S Coarse Full Thread 300 Series S S DFAR Black Ox 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 black oxide finish provides additional protection against corrosion and wear. The full thread design allows for maximum holding power, while the coarse thread pitch makes it easy to