S-98940A016 3/8"-16 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability & Wear Resistance: Hardened Black-Oxide 4140 Alloy Steel construction with Brinell 271 hardness ensures reliable performance and a long service life in demanding industrial environments.
• Superior Positioning Accuracy: Maintains tight tolerances with ±0.009" per foot accuracy for travel distance, enabling precise linear motion control and repeatable results.
• High Load-Bearing Capacity: With a 125,000 psi tensile strength, this screw is engineered to handle significant axial loads without failure.
• Optimized for Smooth Motion Transfer: The single-start Acme thread with a 0.063" travel per turn provides consistent and predictable linear movement.
• Broad Compatibility & Easy Integration: The Class 2C thread fit and standard 3/8"-16 right-hand thread ensure reliable engagement with compatible nuts for simplified assembly.
• Corrosion-Resistant Finish: The Black-Oxide surface treatment offers improved corrosion resistance, protecting the screw in various operating conditions.
• Compliant with Environmental Standards: As RoHS 3 (2015/863/EU) Compliant, this component meets stringent international regulations for hazardous substances.

Professional Applications & Engineering Value

This precision ACME lead screw is engineered to solve critical challenges in industrial automation and motion control systems. The use of hardened 4140 alloy steel provides exceptional strength and resistance to wear, making it ideal for high-cycle applications like CNC machinery, 3D printers, and lifting equipment where component failure is not an option. The fully threaded design and Acme thread form ensure efficient power transmission and reduced risk of backlash, while the Black-Oxide finish adds a layer of protection against rust in non-lubricated or mildly corrosive environments. Its ±0.009" per foot accuracy guarantees precise linear positioning, which is crucial for manufacturing processes requiring high repeatability. This screw delivers reliable performance, minimizing downtime and maintenance costs in professional settings.

Specification Summary & Compliance

This lead screw is manufactured to precise dimensional standards, featuring a Class 2C thread fit for general-purpose applications. The threading adheres to the Acme standard with a size of 3/8"-16 and a right-hand direction. It is fully threaded over its 6 ft. length in the inch system. The component is compliant with RoHS 3 (2015/863/EU), ensuring it is free from hazardous substances as per the directive.