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Business Details
50+ Years
experience
Precision Machined Components & Klincher Locknuts Manufacturer
Dual Machine Corporation has been a leader in precision machining since 1945, specializing in high-performance components for critical applications. Our expertise in Klincher Locknuts and CNC-machined parts has supported industries like aviation, aerospace, and military operations for decades. With ISO 9001:2015 and AS9100:2016 certifications, we combine proven engineering principles with advanced manufacturing techniques to deliver reliable solutions. Our team prioritizes innovation, having refined the patented Klincher Locknut design since acquiring its production in 1998. We serve global clients including major jet engine manufacturers, leveraging our deep technical knowledge to solve complex fastening challenges. Through rigorous quality control and continuous process improvement, we maintain the highest standards for dimensional accuracy and material integrity.

Our commitment to excellence extends to custom Build-to-Print manufacturing, ensuring precise compliance with client specifications. With facilities in Indianapolis, we provide timely delivery without compromising quality, supported by our extensive inventory of standard and modified components. Our technical staff works closely with clients to optimize fastening solutions for extreme environments involving high vibration, temperature, and stress. As a trusted partner for critical applications, we maintain transparency in our manufacturing processes and product performance characteristics. This dedication to engineering excellence and customer collaboration has sustained our reputation for over 75 years.
Services
Klincher Locknuts Kapscrews CNC Machining Custom Parts Precision Machining Build-to-Print Manufacturing High Vibration Solutions Aerospace Components
Details
  • Year established: 1945
Highlights and features
  • 75+ years of specialized experience in critical fastening solutions
  • ISO 9001:2015 and AS9100:2016 certified manufacturing processes
  • Patented Klincher Locknut technology with proven performance
  • Custom Build-to-Print capabilities for unique specifications
  • Proven track record with major aerospace and defense contractors
Associations and certifications
  • ISO 9001:2015
  • AS9100:2016
Services
Klincher Locknuts
Our patented Klincher Locknuts provide superior vibration resistance through a unique stress-distribution design. These reusable fasteners maintain locking performance after multiple installations, ideal for aerospace, military, and industrial applications requiring reliable torque retention under extreme conditions.
Kapscrews
High-strength Klincher Kapscrews combine self-locking capabilities with durability in demanding environments. Engineered for applications requiring heavy-duty fastening solutions that maintain integrity under continuous vibration and thermal stress cycles.
CNC Machining
Our CNC machining services produce complex components with tight tolerances using modern equipment. Capable of handling both prototyping and high-volume production runs while maintaining strict quality control standards for critical applications.
Custom Parts
Custom manufacturing solutions tailored to specific engineering requirements. Our Build-to-Print capabilities accommodate unique dimensions, materials, and threading specifications for specialized aerospace, defense, and industrial applications requiring precision-engineered components.
High Vibration Solutions
Specialized fastening systems designed for extreme vibration environments. Our engineered solutions maintain joint integrity in applications like turbine engines, turbochargers, and military equipment where conventional fasteners would fail prematurely.
Questions
What industries use Klincher Locknuts?
Klincher Locknuts serve aerospace, aviation, military, oil & gas, and shipbuilding industries where vibration resistance and reliability are critical.
Are Klincher Locknuts reusable?
Yes, Klincher Locknuts maintain locking performance after multiple uses when within specified torque limits and dimensional tolerances.
What certifications does Dual Machine Corporation hold?
We maintain ISO 9001:2015 and AS9100:2016 certifications for quality management systems in manufacturing operations.
Can you manufacture custom fasteners?
Yes, we offer Build-to-Print manufacturing for specialized dimensions, tolerances, and threading requirements.
What materials do you work with?
We manufacture components from steel alloys, brass, bronze, aluminum, and other materials based on application requirements.
What sizes are available for Klincher Locknuts?
Standard sizes range from #4 to 1.25" diameter in both fine and coarse thread configurations.