B7M (NACE) Stud Bolt
B7M - low-hardness, NACE MR0175 compliant stud bolting for sour / H2S service.
Manufactured to order. Full material certificates and dimensional reports supplied with every shipment.
Key features
Finishes available
No coating — the bare machined finish. Used where no extra corrosion protection is needed, or where the part is painted after assembly.
PTFE (fluoropolymer) coating. Very low friction and high chemical resistance for offshore, subsea and refinery duty.
Xylan fluoropolymer coating. Low friction with a coloured finish, widely specified for offshore and petrochemical flanges.
Diameters available
Typical applications
Petrochemical piping flanges, refineries, offshore oil & gas rigs, heat exchangers, valves, and power generation.
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B16 Stud Bolt
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L7 Stud Bolt
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View details →Need this in a custom size?
Send us your drawing and specification — we manufacture to order in metric or imperial.