4-40 x 1 1/2 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox MPWG **6-32 x 1/2 Coarse Thread

**6-32 x 1/2 Coarse Thread Socket Set Screw

and a nylon insert that provides a secure hold on bolts and screws

The screw is fully threaded and is type AB

They have a square pan head with a self-drilling tip

this washer is corrosion-resistant and suitable for use in various industrial and automotive applications

4-40 x 1 1/2 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox MPWG **6-32 x 1/2 Coarse ThreadThe 4 40 x 1 1 2 MS51957 B Phil Pan M S Coarse Full Thread 300 Series S S DFAR Black Ox is a high quality screw designed for use in a variety of applications. It is made from 300 series stainless steel, which provides excellent corrosion resistance. The screw has a black oxide finish, which gives it a durable and attractive appearance. The pan head design provides a low profile and a wide bearing surface. The coarse thread provides a strong hold in a