TT BOLT is a manufacturer and supplier of industrial fasteners, specializing in high-quality bolts, nuts, washers and custom fastening solutions.
Our products are manufactured according to international standards including DIN, ISO, ASTM and ASME, serving industries such as construction, oil & gas, petrochemical, mining, power generation, heavy machinery and infrastructure projects.
ASME B18.2.1 Grade A Hex Bolt Size: 3/8 × 5 in Thread: UNC 16 TPI Thread length: 1 in Width across flats: 9/16 in Head height: 17/64 in Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 76.616 g/pc
ASME B18.2.1 Grade A Hex Bolt Size: 3/8 × 6 in Thread: UNC 16 TPI Thread length: 1 in Width across flats: 9/16 in Head height: 17/64 in Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 90.823 g/pc
ASME B18.2.1 Grade A Hex Bolt Size: 3/8 × 7 in Thread: UNC 16 TPI Thread length: 1-1/4 in Width across flats: 9/16 in Head height: 17/64 in Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 104.304 g/pc