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: 1/4 × 1-1/4 in Thread: UNC 20 TPI Thread length: 3/4 in Width across flats: 7/16 in Head height: 3/16 in Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 10.359 g/pc
ASME B18.2.1 Grade A Hex Bolt Size: 1/4 × 12 in Thread: UNC 20 TPI Thread length: 1 in Width across flats: 7/16 in Head height: 3/16 in Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 77.856 g/pc
ASME B18.2.1 Grade A Hex Bolt Size: 1/4 × 1-3/4 in Thread: UNC 20 TPI Thread length: 3/4 in Width across flats: 7/16 in Head height: 3/16 in Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 13.516 g/pc
