S-98941A745 3/4"-5 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
- Precise Motion Control: 0.2" travel distance per turn ensures accurate and repeatable linear positioning for automated systems.
- High Load Capacity: 68,000 psi tensile strength and Grade 2 classification provide reliable performance under significant mechanical stress.
- Enhanced Durability & Corrosion Resistance: Zinc plating on carbon steel offers protection against rust, extending service life in industrial environments.
- Superior Thread Engagement: Class 2G thread fit allows for smoother assembly and reduced wear with compatible Acme nuts.
- Industry-Standard Compliance: Manufactured to ASTM A108 specifications, ensuring material consistency and dimensional accuracy.
- Optimized for Power Transmission: Fully threaded, right-hand Acme design delivers efficient force transfer with minimal backlash.
- Environmental Responsibility: RoHS 3 compliance meets stringent regulations for hazardous substance restrictions.
Professional Applications & Engineering Value
This 3/4"-5 Acme lead screw is engineered to solve critical challenges in precision motion control systems. The zinc plated carbon steel construction combats corrosion in demanding settings like CNC machinery, linear actuators, and automated positioning tables. Its Acme thread type and Class 2G thread fit provide high torque efficiency and reduced risk of cross-threading, ensuring longevity and minimal maintenance. With a Rockwell B61 hardness and 68,000 psi tensile strength, it withstands heavy loads and continuous operation, making it ideal for industrial applications requiring reliable, repeatable linear motion without frequent replacements.
Specification Summary & Compliance
This lead screw adheres to Class 2G thread fit tolerances for optimal nut compatibility. It conforms to ASTM A108 material standards and is fully RoHS 3 (2015/863/EU) Compliant. Key specifications include a 3/4"-5 Acme thread size, right-hand direction, fully threaded 12" length, and a 1:1 speed ratio, ensuring consistent performance in regulated industrial environments.
