Fabricante/fornecedor de N/d da China, oferecendo Quality Assured 1/2" Unc 2A Thread ASTM A193 Grade B7 Black Oxide Carbon Steel Stud Bolt with A194 2h Nut with En10204 3.1 Mtc Report, Durable Construction 1" 8un 2A Thread ASTM A193 Grade B7 PTFE Carbon Steel Stud Bolt with A194 2h Nut for Oil & Gas, High Tensile Strength 1/2" Unc 2A Thread ASTM A193 Grade B7 PTFE Carbon Steel Stud Bolt with A194 2h Nut for Petrochemical Pipeline qualificados e assim por diante.