S-98935A471 1"-5 x 3 ft. 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
- Precise linear motion control with 0.2" travel per revolution for accurate positioning in automated systems
- Enhanced durability in Grade 2 carbon steel providing 53,000 psi tensile strength and Rockwell B61 hardness for long service life
- Superior thread engagement with Class 2G fit ensuring smooth operation and reduced backlash
- Left-hand thread design enabling specialized applications requiring reverse-direction movement
- Full-length threading allowing continuous engagement along the entire 3-foot length for maximum utility
- Industrial compliance assurance meeting ASTM A108 standards for material quality and performance
- Environmental regulation compliance with RoHS 3 and REACH standards for global market acceptance
Professional Applications & Engineering Value
This 1"-5 ACME left-hand thread lead screw delivers exceptional value in precision linear motion systems where reverse-direction operation is critical. Manufactured from Grade 2 carbon steel with Rockwell B61 hardness and 53,000 psi tensile strength, it withstands substantial axial loads while maintaining dimensional stability. The Class 2G thread fit provides optimal clearance for smooth operation with minimal friction, particularly valuable in applications requiring precise positioning with 0.2" travel per turn. The fully threaded design along the entire 3-foot length ensures continuous nut engagement, making it ideal for industrial automation, CNC equipment, and material handling systems where reliability and repeatability are paramount. The left-hand threading specifically addresses applications requiring counter-rotational movement or specialized mechanical arrangements that standard right-hand threads cannot accommodate.
Specification Summary & Compliance
This ACME lead screw features 1"-5 thread size with Class 2G thread fit tolerance, single start thread configuration, and left-hand thread direction. The component meets ASTM A108 material specifications and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring strict material and safety standards.
