S-98940A105 1/2"-8 x 6 ft. Fast-Travel Precision Acme Lead Screws and Nuts
Fast-Travel Precision Acme Lead Screws and Nuts
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Basic Information
Thread Parameters
Dimension Parameters
Lead Screw Specific Parameters
Load & Performance Parameters
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Key Features & Benefits at a Glance
- Enhanced motion control precision with ±0.009" per foot accuracy for reliable positioning in automated systems.
- Fast-travel capability with a 2:1 speed ratio and 0.25" travel per turn, increasing operational efficiency in high-speed applications.
- Superior durability and wear resistance from hardened Black-Oxide 4140 Alloy Steel and Brinell 271 hardness, extending service life in demanding environments.
- High tensile strength of 125,000 psi ensures robust performance under heavy loads and reduces risk of mechanical failure.
- Precise Class 2C thread fit provides smooth engagement with nuts, minimizing backlash for consistent motion transfer.
- Double thread starts enable quicker linear movement, ideal for applications requiring rapid adjustments.
- RoHS 3 compliance guarantees environmental safety and meets international regulatory standards for industrial use.
Professional Applications & Engineering Value
This 1/2"-8 ACME lead screw is engineered to address common industrial challenges such as positioning inaccuracies and slow cycle times. Constructed from Black-Oxide 4140 Alloy Steel and fully hardened, it resists corrosion and wear in harsh conditions like CNC machinery, 3D printers, and automated assembly lines. The ACME thread type and right-hand thread direction ensure efficient power transmission with minimal maintenance. With a 2:1 speed ratio and dual thread starts, it delivers fast, precise linear motion, reducing downtime and enhancing productivity in motion control systems. This makes it a reliable choice for engineers seeking high-performance components that maintain accuracy over long-term use.
Specification Summary & Compliance
This lead screw adheres to Class 2C thread fit standards, ensuring precise dimensional tolerances for consistent performance. It features a 1/2"-8 ACME thread size, fully threaded design, and right-hand thread direction. Manufactured from hardened 4140 Alloy Steel with a Black-Oxide finish, it complies with RoHS 3 (2015/863/EU) regulations, supporting environmentally responsible industrial practices.
