Products Stud & Nuts

Studs, Nuts and Bolts

A.R. Thomson Group Inc. is an industry leader in manufacturing and supply of gaskets and industrial sealing products, A.R. Thomson Group Inc. has expanded its offering to include a full line of heat-treated alloy studs, bolts, nuts and threaded bar. All of our industrial studs and nuts complement the bolted joint assembly and are manufactured in accordance to the latest editions of ASTM and ASME.

Quality Assured:

A.R. Thomson Group Inc. maintains an ISO 9001:2015 Quality Management System. Full traceability with heat codes and lot numbers ensures 100% compliance. Positive material identification, NACE, ASTM, and hardness certification are all available upon request.

Standard Stock Studs:

  • All Thread Studs:
    ASTM A193 Grade B7, B7M, B8, B8M, B16; ASTM A320 Grade B8 C2, B8M C2, L7 and L7M.

  • Heavy Hex Nuts
    ASTM A194 Grade 2H, 2HM, 4, 7L, 7LM, 8 and 8M.

  • Custom Coatings
    Xylan, Teflon™, Cadmium, Zinc. 

  • Washers
    ASTM F436 Hardened Steel Flat Washers, Stainless Steel and Belleville Washers.

  • Specialty Fabricated & Machined Studs
    Carbon Steel and Stainless Steel (specialty alloys available upon request).

  • Thread Lubricant
    Helps control friction and ensures uniform compression of the gasket in the bolted joint assembly.

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With a commitment to excellence, A.R. Thomson Group Inc. stands as a premier provider of pre-cut and custom fasteners, catering to diverse material and grade requirements. Our expertise extends to crafting custom cut studs from threaded rod, precisely tailored to suit every application's unique demands. Embracing cutting-edge coatings and lubricants, we prioritize corrosion protection and ensure maximum bolt-up integrity.

Shoulder Plugs & Gaskets

Shoulder Plugs and Gaskets for air cooled heat exchangers/Fin Fan air coolers.

Learn More About Shoulder Plugs & Gaskets

Shoulder Plugs and Gaskets

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