Lead Screw Nuts
Designed for Precision. Engineered for Performance.
Whether your system requires quiet, maintenance-free operation or high-load capacity, Helix offers a variety of nut materials and configurations including polymer, bronze, and anti-backlash designs. Each are tailored to your performance requirements. Our engineering team works directly with OEMs to specify the ideal thread fit, geometry, and material combination to achieve maximum efficiency and precision.
Nut Types & Configurations

- Standard Polymer Nuts – Low-cost, self-lubricating solutions ideal for smooth, quiet motion in automation, laboratory, and medical applications.
- Bronze Nuts – High-strength options for industrial applications requiring excellent wear resistance and thermal stability.
- Anti-Backlash Nuts – Designed to minimize play and improve positional accuracy in precision systems such as robotics and testing equipment.
- Custom Assemblies – Tailored designs with proprietary materials, thread forms, and mounting styles to meet exact system requirements.
Standard Backlash Nuts
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Standard Freewheeling Nuts (NFA)
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Heavy Load Nuts (HLR)
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Freewheeling Sleeve Nuts (SNB)
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Trunnion Mount Nuts (TMB)
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Acme Nuts - PowerAC (NPB)
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Ball Screw Replacement Nut (BNR)
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Sleeve Nut (SNA)
Power AC Acme Nut (NPA)
Freewheeling Hurricane Nut (HNFA)
Compact Flange Heavy Load Nut (HLC)
Trunnion Mount Nut (TMA)
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Threaded Standard Freewheeling Nut (NTA)
Anti-Backlash Nuts
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Axial Anti-Backlash Nuts (ATA)
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Radial Anti-Backlash Nuts (RTA)
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Torsional Anti-Backlash Nuts (KTA)
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Compact Torsional Anti-Backlash Nuts (GTD)
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Hurricane Anti-Backlash Nuts (HAFA)
Flanged Torsional Anti-Backlash Nut (GFD)
Flanged Torsional Anti-backlash Nut (KFA)
Flanged Radial Anti-backlash Nut (RFA)
Flanged Axial Anti-backlash Nut (AFA)
Application-Driven Design
Helix lead screw nuts are trusted in medical devices, factory automation, aerospace systems, semiconductor equipment, and industrial machinery, where precise and repeatable linear motion is essential. Each nut assembly is tested for accuracy, torque consistency, and wear resistance, ensuring dependable performance in continuous or high-duty-cycle environments.

Why Choose Helix Lead Screw Nuts?

- U.S.A. manufactured products for consistent quality and traceability
- Expert application engineering support for custom design integration
- Proprietary materials and coatings for extended component life
- Low-friction, low-noise operation for smooth linear movement
- AS9100-certified quality system ensuring performance and reliability

With Helix Linear Technologies, you’re not just choosing a component. You’re gaining a motion partner. Our application engineers collaborate with you to select or design the ideal nut for your system, ensuring precision alignment, long service life, and unmatched performance.
Not sure where to start?
Our material selector helps engineers and designers evaluate common options such as bronze, brass, engineered plastics, and specialty polymers based on factors like load capacity, wear resistance, friction characteristics, chemical compatibility, and operating environment. Material selection plays a critical role in minimizing friction and wear while maximizing life and precision in linear motion systems. Whether your application demands high load-bearing capability, self-lubricating performance, or corrosion resistance, this selector guides you toward the most suitable nut material for your specific requirements.
