S-98935A469 1"-4 x 6 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 Motion Control with 0.25" travel per turn for accurate linear positioning in automated systems.
- Exceptional Durability from Grade 2 carbon steel construction, providing reliable performance under continuous industrial use.
- High Tensile Strength rated at 64,000 psi, ensuring resistance to stretching and breaking under heavy loads.
- Rockwell B61 Hardness for superior wear resistance, extending service life in high-friction applications.
- Left-Hand Threading enables unique mechanical setups and reverse motion control where standard screws are unsuitable.
- Class 2G Thread Fit offers optimal clearance for smooth operation with minimal backlash in nut assemblies.
- Full 6 ft. Length allows for long-travel applications without needing splicing or additional components.
Professional Applications & Engineering Value
This left-hand Acme lead screw is engineered to solve critical challenges in precision motion control systems, such as CNC machinery, lifting equipment, and automated positioning devices. The Grade 2 carbon steel construction combined with Acme threading provides high load-bearing capacity and resistance to wear, reducing maintenance frequency in industrial environments. The fully threaded design and single-start thread ensure consistent force distribution and predictable movement, essential for applications requiring repeatable accuracy. Its left-hand thread direction is particularly valuable in dual-drive systems or where reverse-thread mechanisms are needed to prevent loosening under vibration, enhancing operational safety and reliability.
Specification Summary & Compliance
This 1"-4 Acme lead screw adheres to Class 2G thread fit tolerances for precise engagement, manufactured in compliance with ASTM A108 standards. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free from hazardous substances and suitable for global industrial use. The screw's tensile strength of 64,000 psi and Rockwell B61 hardness validate its conformance to mechanical performance criteria, providing assurance for demanding applications.
