Petrochemical Bolting, Stud Bolts

Petrochemical Bolting, Stud Bolts, Studs, Fasteners

TorqBolt is engaged in manufacturing Petrochemical Fasteners meant for use at high temperatures. ASTM & ASME certified petrochemical Bolting for industry level supply is our specialty.
TorqBolt offers an extensive range of Petrochemical Fasteners materials ex-stock including B7, L7, B16, B8, B8M, Duplex and Super Duplex materials from which stud bolts can be manufactured. Imperial and metric diameters, 1/4” - 6”, M6 - M150 are all available with a wide variety of corrosion resistant finishes. TorqBolt has in-house facilities for heat treatment and testing, shot blasting, PTFE coating, phosphate and zinc plating on Petrochemical Fasteners.

PetroChemical Bolting Materials

Petrochemical Fasteners types

  • Stud bolts
  • Studding
  • Engineer Studs
  • Waisted Studs
  • Bespoke Bolting
  • Threaded Rod
  • Tap End Studs
  • Hex bolts
  • Hexagon Nuts
  • Socket Head Capscrews

Petrochemical Fasteners Manufacturer certification

Petrochemical grade bolting manufactured to ASTM standards are completely traceable back to their heats and raw material mills. In addition to this PED certified studding with respect to EN 10269 especially for high temperature and low temperature services plays a big role in petrochemical grade bolting.

  • BS EN 10204 3.1 and BS EN 10204 3.2
  • PED 97/23/EC Inclusive of Charpy Impact
  • MerkBlatt AD 2000 W2/W7/W10
  • NACE MR0175/MR0103
Being a Quality Manufacturer of Petrochemical Stud bolts since 1991 with In House Testing Laboratory for Quality Control During Manufacturing and Quality Systems in Place with Full Traceability Inspection Certificates. Petrochemical Studs are accompanied with typical Product Compliance Testing by Independent 3rd Party NABL accredited Testing Facilities.


  • Corrosion Resistance
  • Pressure Vessels
  • Heat Exchanger Pumps
  • Skids
  • Valves & Pumps
  • Well Heads
  • Drilling and Oil Rigs
  • PipeLine Fabrications

Surface Treatments on Petrochemical Fasteners

Surface Treatments and coating division is well equipped with a shot blasting facility used to remove old coatings or weathered metals confirming a smooth finish that ensures any coatings will adhere properly.Below Listed are some of the most common Coatings offered at TorqBolt.

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