4-40 x 5/8 A286 NAS1352 Socket Head Cap Screw Coarse Thread Stainless Steel DFAR PSW14188 and has a black oxide

and has a black oxide finish

a modified pan head with a flat top and slightly rounded sides

which gives it good corrosion resistance

The screw is fully threaded and meets the ISO7045 standard

while the full thread allows for a secure grip throughout the entire length of the screw

4-40 x 5/8 A286 NAS1352 Socket Head Cap Screw Coarse Thread Stainless Steel DFAR PSW14188 and has a black oxideThe 4 40 x 5 8 A286 NAS1352 Socket Head Cap Screw Coarse Thread Stainless Steel DFAR is a type of screw that is used to fasten two pieces of metal together. It has a hexagonal head with a 4 40 thread size and a length of 5 8 inches. The screw is made of A286 stainless steel, which is a high strength, corrosion resistant alloy. It meets the requirements of the Defense Federal Acquisition Regulation Supplement (DFARS), which ensures that the screw is of