Diameter
M12–M100 / 1/2–4 inProduct detail · Special Fasteners
Stud bolts, nuts and washers for flange connections in oil & gas, petrochemical and power applications, supplied to ASTM and project specifications.
ASTM A193 · ASTM A320 · ASTM A194 · ASME

Product approach
Stud bolts, nuts and washers for flange connections in oil & gas, petrochemical and power applications, supplied to ASTM and project specifications.
The technical scope is configured by reviewing drawings, tolerances, material grades, surface treatment, inspection and documentation requirements together.
Technical data
The values below describe typical supply capability. Final scope is confirmed against project drawings and specifications.
Diameter
M12–M100 / 1/2–4 inThread
Metric / UNC / 8UNLength
Standard / customNuts
ASTM A194 gradesTesting
Mechanical / impact as requiredCertification
EN 10204 3.1Material grades
Finish options
Applications
Manufacturing & delivery flow
Drawings, specifications, materials, dimensions and documentation requirements are reviewed.
Approved material is sourced with heat number and certificate traceability.
Raw material is processed through the required cutting and preparation operations.
Threading, drilling, CNC, forming or welding operations are completed.
Required galvanizing, paint or special coating systems are applied.
Dimensional, visual and specification-related tests are completed.
Records are compiled and products are tagged and packed for export.
Export documentation and logistics are coordinated around the project schedule.
Quality & documentation
The documentation scope is defined during quotation against the order and project specification.
Material certification and heat traceability
Chemical analysis and mechanical properties
Checks against drawings and tolerances
Cutting, machining and assembly controls
WPS/PQR and welder qualifications when required
Galvanizing or paint process records
Certificate of Origin, ISO and manufacturer profile
Technical submittal and approval dossier
Product & delivery gallery
RFQ
Share your drawing, bill of quantities or technical specification and we will review the scope technically and commercially.