Gr 5 SAE Bolts Hex Hd C/S 3/8"x2 1/4"

Sold in sets of 50 Fine thread bolts are a type of fastener commonly used in applications where a higher level of thread engagement or finer adjustment is needed1. They are often used in machinery, automotive, and precision engineering industries1.  They allow finer adjustments in applications that need such a feature2.