S-99030A441 1 1/4"-4 x 3 ft. Precision Acme Lead Screws and Nuts
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
- Exceptional travel accuracy (±0.009" per ft.) ensures reliable positioning and repeatability in automated systems
- High tensile strength 1018 carbon steel construction (64,000 psi) provides durability for heavy-load industrial applications
- Class 2C thread fit delivers optimal clearance for smooth operation with minimal backlash
- Left-hand ACME threading enables specialized motion control configurations and reverse-direction applications
- Consistent 0.25" travel per turn maintains predictable linear motion for precise equipment control
- Full RoHS 3 and REACH compliance ensures environmental regulatory adherence for global manufacturing operations
- Brinell 126 hardness rating provides excellent wear resistance for extended service life
Professional Applications & Engineering Value
This precision ACME lead screw delivers critical engineering value in industrial automation, CNC machinery, and precision positioning systems where left-hand thread direction and consistent linear motion are essential. The 1018 carbon steel construction combined with ACME thread type provides superior load-bearing capacity and wear resistance, solving common challenges of backlash and positioning inaccuracy in demanding environments. With its ±0.009" travel accuracy and Class 2C thread fit, this fully threaded component ensures smooth operation in applications requiring reverse motion capabilities or specialized mechanical configurations, making it ideal for manufacturing equipment, material handling systems, and custom machinery where precision and reliability are paramount.
Specification Summary & Compliance
This 1 1/4"-4 ACME lead screw features Class 2C thread fit per inch system standards, providing appropriate clearance for smooth operation. The component maintains dimensional accuracy with ±0.009" travel tolerance per foot and delivers consistent 0.25" travel distance per turn with single thread start configuration. Manufactured from 1018 carbon steel with Brinell 126 hardness, the screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory adherence for industrial applications worldwide.
