Lead screws and Lead Screw Drives
From the very beginning, Feinmess Suhl's core competency has been grinding high-precision threaded spindles. 140 years of experience combined with modern, proven technology guarantee the highest quality and precision in the micron range. We offer flexibility and performance in the development and production of customized solutions for our customers – even for small quantities.
Screw drives overview
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Ground
- Pitch: from ≥ 0.2 mm, up to a pitch angle of 40°
- Diameter: 2 - 25 mm
- Length: up to 300 mm
- Material: Stainless steel, steel, rust-proof steel
- Thread forms: Metric, Whitworth, trapezoidal, sawtooth, special shapes
- Single-start and multi-start
- Optional: Clean room, vacuum, special lubrication and coating
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Rolled
- Pitch: from ≥ 0.2 mm, up to a pitch angle of 90°
- Diameter: 3 - 25 mm Rods up to 3 m
- Material: stainless steel, others upon request
- Thread forms: metric, UTS, Whitworth, trapezoidal, special shapes
- single-start and multi-start
- Optional: clean room, vacuum, special lubrication and coating
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Nut
- Nut shape: cylindrical, flanged, reduced-backlash
- Material: brass, plastic, bronze, steel, and others upon request
- Preload: spring-loaded nuts for limited axial play, optionally fitted/paired nuts for low backlash and low torque
- Special design: designed for installation in customer-specific installation spaces and for additional functions (e.g., linear guides)
- Torque and axial play can be adjusted to customer requirements
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Coatings
- Corrosion-protective coatings
- Surface-hardening coatings
- Plastic coatings
- Friction-reducing (PTFE)
- e.g., PVD, DLC
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Lubricants
- Cost-optimized lubrication
- Low-friction greases
- Permanent lubrication
- Cleanroom design
- High-temperature and low-temperature lubrication
- Food-grade greases
- Customer-specific special lubrication
- Vacuum lubricants

in the µm range.






High-precision manufactured threaded spindles and nuts are fitted and lapped by hand at Feinmess Suhl until perfect ease of movement


