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Thor Precision Manufacturing Facility

High-Precision Gas Turbine Fasteners

American-made studs, bolts, and rotor hardware engineered to exceed OEM specifications. Trusted by leading power generation and aerospace companies since 2009.

Thor Precision: Your Trusted Fastener Supplier

Since 2009, Thor Precision has delivered high-quality replacement hardware for legacy and current model gas turbines, including F-class systems. As an approved supplier to major OEMs, we combine American manufacturing excellence with deep technical expertise.

Confident in Quality

Manufactured in Greenville, SC. ISO9001-D certified. Advanced quality control and inspection. AS9100-D and NDT Level 3 certified team.

Confident in Expertise

Over 150 years of combined industry experience. Team includes veterans from NASA, Doosan, Sulzer, and leading OEMs. Deep knowledge in CNC machining and roll threading.

Confident in Trust

Family-oriented culture focused on customer care. Trusted supplier to power generation and aerospace industries for over 15 years. Known for responsiveness and reliability.

Thor Precision Manufacturing Facility

“Thor is an excellent supplier. Its technical knowledge is impressive; it has broad production capabilities; and its quality is perfect.”

— Doosan

Our Four-Step Precision Process

From concept to delivery, we ensure every fastener meets exacting standards.

1

Design

We use your existing drawings or reverse engineer new designs to meet your exact fastener specifications and material requirements.

2

Manufacture

Parts are produced in our state-of-the-art, climate-controlled facility using OEM-grade metals and advanced CNC and roll-threading technology.

3

Inspect

Rigorous quality control and testing throughout the process, including NDT Level 3 and advanced metrology to ensure compliance.

4

Deliver

On-time delivery with full traceability and documentation. Proactive communication ensures you're always informed.

Our Precision Fastener Products

We specialize in high-precision, rolled-thread fasteners for gas turbines, including rotor studs, bolts, trap nuts, and custom-engineered hardware. All parts are manufactured in the USA to meet or exceed OEM specifications.

Gas Turbine Rotor Studs

Rotor Studs

High-strength studs for turbine rotor assemblies. Available in Inconel, 4140, and custom alloys. Rolled threads for superior fatigue resistance.

  • • OEM-compliant dimensions
  • • Heat-treated per spec
  • • Full material traceability
Turbine Bolts

Turbine Bolts

Precision-engineered bolts for hot gas path and compressor sections. Designed for high-temperature and high-stress environments.

  • • F-class compatible
  • • Rolled or cut threads
  • • NDT inspected
Trap Nuts

Trap Nuts

Replacement trap nuts for gas turbine combustors. Precision-machined for exact fit and long-term reliability.

  • • Inconel 718 & 625
  • • Threaded per OEM spec
  • • Certified to AS9100-D
Custom Fasteners

Custom Fasteners

Fully engineered solutions for unique or obsolete hardware. Reverse engineering and prototyping available.

  • • Prototype to production
  • • Reverse engineering
  • • Full documentation
Roll-Threaded Studs

Roll-Threaded Studs

Superior fatigue life through cold-formed threads. Ideal for high-cycle applications in power generation turbines.

  • • Cold-rolled threads
  • • Improved grain flow
  • • 20%+ fatigue life increase
Inconel Fasteners

Inconel Fasteners

High-performance fasteners in Inconel 718, 625, and X-750. Resistant to oxidation and corrosion at elevated temperatures.

  • • Up to 1300°F service
  • • Solution annealed & aged
  • • Full certs provided
Rotor Bolting Kits

Rotor Bolting Kits

Complete sets for rotor assembly and disassembly. Pre-sorted and labeled for easy installation.

  • • Match-marked sets
  • • Torque sequence guides
  • • OEM-replacement quality
Legacy Hardware

Legacy Hardware

Replacement parts for obsolete or discontinued turbine models. We reverse engineer and reproduce hard-to-find components.

  • • Obsolete part support
  • • Drawing recreation
  • • Long-term availability

Our Manufacturing Capabilities

Thor Precision operates a state-of-the-art, purpose-built facility in Greenville, SC, equipped to handle the most demanding fastener applications.

CNC

CNC Machining

Precision turning and milling on advanced CNC lathes and machining centers. Capable of tight tolerances and complex geometries.

T

Thread Rolling

Cold-forming threads for improved strength and fatigue resistance. Specialized in high-precision roll threading for turbine applications.

Q

Quality Control

AS9100-D and ISO9001 certified. NDT Level 3, advanced metrology, and full inspection documentation with every order.

M

Material Expertise

Experience with Inconel, 4140, 4340, 8740, and other high-strength alloys. Full material traceability and certs available.

R

Reverse Engineering

We can reproduce parts from samples or field measurements. Complete drawing and spec development available.

S

Small to Medium Runs

Flexible production for prototype, repair, and production quantities. Quick turnaround without sacrificing quality.

150+
Years of Combined Experience
2009
Founded
15+
Years in Industry
100%
USA Manufacturing

Frequently Asked Questions

What types of gas turbines do you support?

We support legacy and current model gas turbines, including F-class systems from major OEMs. Our expertise covers rotor bolting, combustor hardware, and critical fasteners.

Are your parts made in the USA?

Yes, all Thor Precision parts are manufactured in our facility in Greenville, SC. We are proud to offer American-made, high-quality replacements.

Do you offer reverse engineering services?

Yes, we specialize in reverse engineering for obsolete or undocumented parts. We can create drawings and produce replacements from samples or field measurements.

What certifications do you hold?

Thor Precision is ISO9001-D certified and AS9100-D certified. Our team includes NDT Level 3 personnel and we maintain DSQR status with major OEMs.

How do I request a quote?

Visit the official Thor Precision website to submit your specifications and request a quote. Our team responds quickly to all inquiries.

Contact Thor Precision

Connect with our sales experts to discuss your fastener needs or request a quote based on your specifications.

(864) 277-1080
requestquotation@thorprecision.com
Visit Official Website to Contact

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