maker and supplier of fasteners that meet ASTM A434 specifications, including bolts, screws, stud bolts, threaded rods, nuts, washers, and other bolting parts. Chromium-molybdenum alloy steel (AISI 4340) with high tensile qualities is used to make a variety of fasteners that adhere to ASTM and ISO bolting standards.
To produce AISI 4340 alloy steel fasteners that meet the requirements of A320 L43, F568 Grade Class 12.9, and ISO 898 criteria, rolled bar material is first quenched and tempered to attain full grade strength.
