S-98941A770 1 1/2"-4 x 12" ASTM A108 Acme Lead Screws and Nuts
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
- Precision linear motion with consistent 0.25" travel per turn for reliable positioning in automated systems
- Enhanced durability and corrosion resistance through zinc plating, extending service life in industrial environments
- High load-bearing capacity with 68,000 psi tensile strength, suitable for demanding mechanical applications
- Superior thread engagement with Class 2G thread fit ensuring smooth operation and reduced backlash
- Robust material performance from Grade 2 carbon steel with Rockwell B61 hardness for long-term wear resistance
- Industry-standard compatibility with ACME thread profile meeting ASTM A108 specifications
- Environmental compliance with RoHS 3 standards for use in regulated industries
Professional Applications & Engineering Value
This 1 1/2"-4 ACME lead screw delivers exceptional performance in precision linear motion systems where accuracy and durability are critical. Manufactured from Grade 2 zinc plated carbon steel, it provides excellent corrosion resistance while maintaining the 68,000 psi tensile strength necessary for heavy-duty applications. The fully threaded right-hand design with Class 2G thread fit ensures minimal play and consistent movement in CNC machinery, industrial actuators, and positioning systems. The 0.25" travel per turn offers predictable linear advancement, making it ideal for applications requiring repeatable precision. Engineered to ASTM A108 standards, this component solves common engineering challenges including wear resistance, environmental degradation, and positioning accuracy in manufacturing and automation equipment.
Specification Summary & Compliance
This ACME lead screw features Class 2G thread fit with 1 1/2"-4 thread size in inch system measurement. The component meets ASTM A108 manufacturing specifications and is RoHS 3 (2015/863/EU) compliant. With single thread start and fully threaded right-hand design, it maintains dimensional accuracy throughout its 12" length while delivering consistent performance under mechanical stress conditions.
