Carbon Steel Bolts in ASTM A307 (Grades A and B) | Glaser ...
Materials Carbon Steel Bolts in ASTM A307 (Grades A and B) Scope. ASTM A307 is the standard specification for carbon steel bolts, studs, and threaded rods of 60000 PSI tensile strength in sizes from ¼ inch to 4 inches in diameter. A307 bolts from Glaser and Associates are available in two grades, A and B, offering different mechanical and ...