Illustrative drawing. Actual product is confirmed to your specification at quotation.
Bolts
Stud Bolts
Also listed as Stud Bolts
A stud bolt is a rod threaded over its full length, used with a nut at each end. It is the standard fastener for pipe flanges, valves and pressure vessels, usually A193 B7 studs with A194 2H nuts.
- Supplied with two heavy hex nuts on request
- B7 / B8 grades
- Fluoropolymer coated available
Specifications
- Material
- Carbon steelAlloy steelStainless steel A2 (AISI 304)Stainless steel A4 (AISI 316)
- Grade / property class
- A193 B7A193 B7MA193 B8 / B8MA320 L7
- Thread
- UNC / UNF (imperial)Metric coarse (ISO 261)
- Finish / coating
- Plain / blackZinc platedHot-dip galvanisedFluoropolymer coated (on request)
- Size range
- M8–M12M14–M24M27–M48Above M48Imperial (inch)
- Standards
- ASTM A193 B7 / B7M / B8 / B8MASTM A320 L7ASME B18.31.2ASME B16.5 (flange bolting)
Exact dimensions, lengths and availability are confirmed at quotation.
Applications
- Pipe flanges and valves
- Pressure vessels and boilers
- Heat exchangers
- Pumps and turbines
- Refineries and chemical plants
Related and complementary fasteners
Request a quote for Stud Bolts
Give us the size, grade, finish and quantity. We reply within one business day.
Common questions
- Which sizes and grades of stud bolts do you supply?
- We supply stud bolts in M8–M12, M14–M24, M27–M48, Above M48, Imperial (inch) size bands and grades/classes including A193 B7, A193 B7M, A193 B8 / B8M, A320 L7. Exact availability, dimensions and lead time are confirmed at quotation.
- Which standards do stud bolts follow?
- Common standards are ASTM A193 B7 / B7M / B8 / B8M, ASTM A320 L7, ASME B18.31.2, ASME B16.5 (flange bolting). Tell us the standard you need and we will quote to it.
- Can you supply in bulk or with test certificates?
- Yes. We quote for loose lots and scheduled bulk supply across India, and can share manufacturer test certificates where available. Confirm the requirement when you request a quote.
Need a quote on bulk or custom industrial supply?
Share your specifications and quantities — our technical team will respond with pricing and lead time within one business day.