Heavy Hex Bolts Manufacturers & Suppliers – Buy Top Quality Heavy Hex Bolts

Metline specializes in the manufacture of heavy hex bolts as per ASTM A193, ASTM A320, ASTM A325, ASTM A307B, and ASTM A490. We also offer heavy hex bolts in materials such as ASTM A193 Grade B8M, Inconel, Monel, Titanium and Other Special Alloys.

Our heavy bolt stock and production range includes size 1/2” to 3″ diameter. We can also offer custom sizes, as per requirements from our customers. We manufacture heavy hex bolts in Stainless Steels (ASTM A193), Alloy Steels, Carbon Steel (ASTM A307 Grade B) and Structural Steels (ASTM A325 & A490). ASTM A193 heavy hex bolts are manufactured for use in high heat conditions, while ASTM A320 standard covers extremely low temperature conditions. Heavy hex bolts are generally used in high temperature or high pressure applications as well as bridges, highway, buildings and other construction projects. Heavy hex bolts have larger and thicker heads than regular or standard hex bolts, and are available in Plain, Zinc Plated, Hot Dipped Galvanized, Black Oxide, Silicone Bronze, Yellow Zinc, Aluminum, SS 316, and SS 304.