2-56 x 1/8 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox CH188 They have a round head

They have a round head with a Phillips drive and a slotted drive for easy installation

The external sems feature allows the screw to be self-locking

This 1/4-20 x 3 Carriage Bolt is made of 18-8 stainless steel

This imported set screw is commonly used in electronics

2-56 x 1/8 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox CH188 They have a round headThe 2 56 x 1 8 MS51957 B Phil Pan M S Coarse Full Thread 300 Series S S DFAR Black Ox is a small, black oxide coated stainless steel screw with a Phillips pan head and a coarse thread. It is designed for use in applications where corrosion resistance and strength are important. The screw is made from 300 series stainless steel, which is highly resistant to corrosion and rust. The black oxide coating provides additional protection against corrosion and