ASTM A490 — Baden Steelbar & Bolt Corp.
A490 is a ASTM International specification for heavy hex structural bolts. A490 covers two types of quenched and tempered, alloy steel heavy hex structural bolts having a tensile strength of 150 to 173 ksi. These bolts are intended for structural connections and are furnished in sizes 1/2" to 1-1/2" inclusive.
A490 is a ASTM International specification for heavy hex structural bolts.
A490 covered two types of quenched and tempered, alloy steel heavy hex structural bolts having a tensile strength of 150 to 173 ksi. These bolts are intended for structural connections and are furnished in sizes 1/2" to 1-1/2" inclusive. It was withdrawn in 2016 and became a grade of F3125. However, A490 is still commonly referred to, so it is listed here for reference.
NOTE: There are other types of A490. The one listed here is the one we receive the most requests for. For information on other types, please contact one of our salesmen.
1/2" - 1-3/8" 1-1/2" 1/2" - 3/4" Above 3/4"
Note: A194 Grade 2H nuts are suitable for use with A490 heavy hex structural bolts.