Threaded Rods and Stud Bolts for Industrial Flange Connections
Threaded rods, double-end studs, fully threaded studs, ASTM A193 and ASTM A320 stud bolts, metric threaded rods, inch threaded rods and custom length threaded fasteners for flange connections, piping systems and industrial assembly.
Threaded Rods, Stud Bolts and Custom Length Threaded Fasteners
WISINE can review threaded rods and stud bolts used for flange connections, piping systems, valves, project equipment, chemical plants, petrochemical equipment, marine systems, offshore projects, construction support and industrial equipment assembly.
Products can be reviewed according to material grade, standard, diameter, length, thread type, thread pitch, nut and washer requirement, surface finish, quantity and document requirements. Final specification should be confirmed before production.
Common Inquiry Focus
- ASTM A193 / A320 stud bolt grade and matching nut standard
- Metric, UNC, UNF or project-specified thread
- Cut length, double-end thread length or fully threaded length
- Material certificates and inspection documents when required
- Project packing, nut quantity and washer requirement
Threaded Fastener Product Scope
WISINE can review standard and drawing-based threaded fasteners according to confirmed specifications, project requirements and order details.
Fully Threaded Rods
Fully threaded rods for fixing, support systems, construction, equipment assembly and project-specific lengths.
Double-End Studs
Double-end studs with project-specified thread length, plain shank length, diameter, thread pitch and finish.
Stud Bolts with Nuts
Stud bolts supplied with matching nuts and washers according to material, thread, standard and project requirement.
Metric Threaded Rods
Metric threaded rods and studs according to confirmed dimensions, material grade and project specification.
Inch Threaded Rods
UNC, UNF and inch threaded fasteners can be discussed according to order requirements and drawings.
Custom Length Threaded Fasteners
Custom cut lengths, special thread details and drawing-based threaded components can be reviewed before quotation.
Stud Bolt and Threaded Rod Material Grades
Material selection should be confirmed according to service environment, temperature, corrosion exposure, strength requirement, standard and document requirements. Availability is subject to material availability, quantity, processing requirements and document requirements.
| Material Family | Common Grades | Typical Threaded Fasteners | Material Link |
|---|---|---|---|
| Alloy Steel | ASTM A193 B7 / B7M, ASTM A320 L7 / L7M | Stud bolts, threaded rods, double-end studs | A193 B7 / B7M A320 L7 / L7M |
| Stainless Steel | ASTM A193 B8 / B8M, 316 / 316L and project-specified stainless grades | Stud bolts, threaded rods, nuts and washers | A193 B8 / B8M 316 / 316L Stainless Steel |
| Duplex / Super Duplex | 2205, 2507 and project-specified duplex grades | Threaded rods, stud bolts and matched fastener sets | Duplex 2205 Super Duplex 2507 |
| Nickel Alloys | Hastelloy C276, Inconel 625, Inconel 718 and project-specified nickel alloys | Nickel alloy stud bolts, nuts, washers and threaded rods | Hastelloy C276 Inconel 625 Inconel 718 |
| Special / High Strength Materials | 17-4PH, 15-5PH, A286, XM-19 and project-specified materials | Custom threaded fasteners and special fastener assemblies | View Materials & Alloys |
ASTM A193 and A320 Stud Bolts
ASTM A193 and ASTM A320 stud bolts can be discussed where specified by project documents. Final grade, standard, nut pairing, coating and certificate requirement should be confirmed before quotation.
ASTM A193 Alloy Steel
A193 B7 and B7M stud bolts can be reviewed according to project specification, matching nut requirement and document requirement.
ASTM A193 Stainless Steel
A193 B8 and B8M stud bolts can be discussed where stainless steel grades are specified for the order.
ASTM A320 Low-Temperature Grades
A320 L7 and L7M stud bolts can be reviewed for low-temperature service requirements when specified by project documents.
Final grade, standard, heat treatment, coating, nut pairing and certificate requirement should be confirmed according to project specification before quotation or production.
Stainless Steel, Duplex Steel and Nickel Alloy Stud Bolts
Stainless, duplex and nickel alloy stud bolts should be reviewed according to service environment, corrosion exposure, temperature, project standard, dimensions and document requirements.
316 / 316L Stainless Steel Stud Bolts
316 / 316L threaded rods and stud bolts can be discussed where project documents specify stainless steel bolting.
Duplex 2205 Stud Bolts
Duplex 2205 stud bolt and threaded rod requirements should be confirmed according to service environment and project specification.
Super Duplex 2507 Stud Bolts
Super Duplex 2507 bolting requirements can be discussed where specified by project documents.
Hastelloy C276 Stud Bolts
Hastelloy C276 threaded fasteners can be reviewed according to confirmed alloy grade, dimensions and document requirements.
Inconel 625 Stud Bolts
Inconel 625 stud bolts and threaded rods can be discussed according to confirmed specifications and quantity.
Inconel 718 Stud Bolts
Inconel 718 bolting requirements should be confirmed according to project standard, material condition and document requirements.
Metric, Inch and Custom Length Threaded Rods
Threaded rods can be supplied as fully threaded rods, custom length threaded fasteners, double-end studs or drawing-based threaded components according to confirmed specifications.
For quotation, confirm diameter, total length, thread type, thread pitch, thread length, material grade, finish, quantity and nut or washer requirements.
Thread Confirmation Points
- Metric, UNC, UNF or project-specified thread
- Thread pitch and tolerance requirement
- Fully threaded or double-end thread arrangement
- Cut length, chamfer and end detail if required
- Surface finish, coating or passivation requirement
Standards, Thread Specifications and Document Discussion
ASTM / ASME / DIN / ISO / EN / JIS specifications can be discussed according to order requirements. EN 10204 3.1 / 3.2 material certificates and third-party inspection requirements can be discussed when required. Certificate availability should be confirmed before quotation.
| RFQ Item | Information to Provide |
|---|---|
| Product Type | Fully threaded rod, double-end stud, stud bolt with nuts, metric threaded rod, inch threaded rod or custom length threaded fastener. |
| Material Grade | A193 B7 / B7M, A320 L7 / L7M, B8 / B8M / B8C / B8T, 316, 2205, 2507, C276, 625, 718 or project-specified material. |
| Standard | ASTM A193, ASTM A320, ASTM A194 for matching nuts where applicable, ASME / ANSI flange bolting references where specified, DIN / ISO threaded rods or drawing standard. |
| Dimensions | Diameter, total length, thread type, thread pitch, thread length, nut quantity and washer requirement. |
| Finish and Documents | Coating, surface finish, passivation, certificate requirement, inspection requirement, packing requirement and destination country. |
| Drawing if Non-Standard | PDF, DWG, DXF, STEP, sample photo or detailed specification for custom threaded fasteners. |
Information to Prepare for a Threaded Rod or Stud Bolt Quotation
Clear RFQ information helps confirm material, standard, thread, matching nuts and washers, documents and drawing-based requirements before quotation.
| Requirement | Details to Confirm |
|---|---|
| Product Type | Threaded rod, fully threaded stud, double-end stud, stud bolt with nuts, custom length threaded fastener or drawing-based threaded part. |
| Material and Standard | Material grade, ASTM / ASME / DIN / ISO / EN / JIS reference, project specification or confirmed drawing requirement. |
| Dimensions and Thread | Diameter, total length, thread type, thread pitch, thread length, shank length if applicable and end detail if specified. |
| Matched Hardware | Nut quantity, nut grade, washer requirement and matched material or finish requirement. |
| Finish and Documents | Coating, surface finish, passivation, certificate requirement, inspection requirement, packing requirement and destination country. |
| Drawing or Sample | Drawing, sketch, sample photo or detailed specification for non-standard threaded fasteners. |
Matching Nuts and Washers for Stud Bolt Sets
Stud bolts are often supplied with matching nuts and washers according to material, thread, standard and project requirements. Matching ASTM A194 nuts may be discussed where applicable to the project specification.
Please confirm nut quantity, washer requirement, material grade, thread compatibility, coating or finish, packing and document requirements before quotation.
Common Set Details
- One stud bolt with two nuts
- Stud bolt with nuts and washers
- Matched material grade and thread standard
- Kit packing or project labeling when required
Typical Industrial Applications
Threaded rods and stud bolts are selected according to project requirements, flange specification, service environment, material grade and installation method.
Flange Connections
Stud bolts and matching nuts for pipe flanges, valves and equipment connections.
Chemical & Petrochemical Plants
Threaded fasteners for process equipment, piping systems and plant maintenance projects.
Oil, Gas & Offshore
Stud bolts and threaded rods for offshore structures, marine systems and project assemblies.
Pressure Vessels & Valves
Fastener sets for valves, pressure vessels and equipment requiring confirmed specifications.
Power Plants
Stud bolts and threaded rods for power generation equipment and industrial support systems.
Construction Support
Threaded rods for fixing, support systems, suspension and structural coordination.
Industrial Equipment Assembly
Custom length threaded fasteners for machinery, frames and assembly projects.
Project-Specific Fastener Sets
Matched rods, studs, nuts and washers packed according to project requirements.
Threaded Rods and Stud Bolts FAQ
Can WISINE supply stud bolts with nuts?
Stud bolts can be reviewed with matching nuts and washers according to material grade, thread standard, quantity and project requirements.
Can ASTM A193 and A320 grades be reviewed?
ASTM A193 and ASTM A320 stud bolt grades can be discussed according to order requirements, project specification and material availability.
Can custom threaded rod lengths be supplied?
Custom length threaded rods and drawing-based threaded fasteners can be reviewed according to dimensions, material grade and quantity.
Can nickel alloy stud bolts be supplied?
Nickel alloy stud bolts and threaded rods can be discussed according to confirmed alloy grade, dimensions, quantity and document requirements.
Can certificates be provided?
Material certificates and inspection documents can be discussed when required. Certificate availability should be confirmed before quotation.
What affects availability?
Availability is subject to material availability, quantity, processing requirements, surface finish and document requirements.
Send Your Threaded Rod or Stud Bolt Requirement
Share product type, material grade, standard, diameter, length, thread type, thread pitch, nut quantity, washer requirement, surface finish, quantity, certificate requirement, inspection requirement, destination country and drawing if non-standard. WISINE can help review the details and prepare a practical export quotation.