Series

Stud Bolts & Engineering Studs,

We provide the entire line of stud bolts and full threaded rods that meet ISO 898 CL 4.6, 8.8, 10.9, 12.9, and ASTM A193, Gr. B7/B7M, B16, A320, Gr. L7/L7M, L43.

Stainless steel, including B8/B8M class 1 & 2, AISI 304/304L/316/316L, B8T, etc. Super duplex and duplex grades: S32750, S32760, and S31803. Class A, B, and D of ASTM A453 Gr 660 and further specific grades are available upon request.

Studs come in a variety of coatings, including polytetrafluoroethylene (PTFE) in various colors and zinc plating, HDG, Black yellow passivated, ENP, and zinc nickel plating

Petrofast Engineering Pvt. Ltd. specializes in innovative engineering solutions for oil, gas, and petrochemical industries, ensuring efficiency and reliability.

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