S-93255A233 3/4"-5 x 18" ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise Motion Control: Delivers consistent 0.2" travel per turn for accurate positioning in automated systems.
• High Load Capacity: With a tensile strength of 53,000 psi, it reliably handles significant mechanical loads without failure.
• Enhanced Durability: Rockwell B61 hardness provides excellent wear resistance for long service life in high-cycle applications.
• Superior Corrosion Protection: Zinc plating on carbon steel offers effective rust resistance in various industrial environments.
• Reliable Thread Engagement: Class 2G thread fit ensures smooth, backlash-free operation with compatible ACME nuts.
• Industry Standard Compliance: Manufactured to ASTM A108 specifications, guaranteeing material quality and performance consistency.
• Versatile Installation: Fully threaded 18" length and right-hand thread direction enable flexible mounting in diverse mechanical setups.

Professional Applications & Engineering Value

This 3/4"-5 ACME lead screw provides exceptional value in precision motion control systems where reliability and accuracy are paramount. The zinc plated carbon steel construction combats corrosion in industrial settings, while the fully threaded design offers maximum flexibility for nut positioning along the entire 18" length. Engineers specify this component for CNC machinery, linear actuators, and positioning tables where the 0.2" travel per turn delivers predictable movement and the Grade 2 strength handles moderate loads efficiently. The ACME thread form with Class 2G fit ensures smooth operation with minimal backlash, making it ideal for applications requiring repeated precision movements without frequent adjustment or maintenance.

Specification Summary & Compliance

This lead screw features 3/4"-5 ACME threads with Class 2G thread fit tolerance, ensuring proper engagement with standard ACME nuts. The component meets ASTM A108 material specifications and demonstrates 53,000 psi tensile strength with Rockwell B61 hardness. Manufacturing complies with industry standards for dimensional accuracy and thread geometry, suitable for applications requiring reliable motion control components. The zinc plating provides basic corrosion resistance for industrial environments.