1/2"-13 Thread Size, 4-1/4" Long B7 Black-Oxide Coated Alloy SteelMedium-Strength Threaded Rod, (100 rods)

Material type: Lamons Black-Oxide Coated Steel Grade: B7 - ASTM A193, Rockwell Hardness: C231, Thread Class: 2A , Thread Direction: Right Hand Chromium Molybdenum Alloy steel, Tensile strength of 125, 000 psi minimum and a 105, 000 psi yield strength. Very high tensile strength and are generally used in high pressure & temperature environment like petroleum or chemical industry for flanges. Made in: United State, ISO 9001:2015 manufacturer 1/2"-13 Thread Size, 4-1/4" Long