S-93410A489 1"-8 x 3 ft. ASTM A193 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Load Capacity - With 125,000 psi tensile strength and ASTM Grade B7 certification, this lead screw reliably handles high-stress applications without deformation.
• Precision Movement Control - 0.125" travel distance per turn ensures accurate linear positioning for demanding motion control systems.
• Superior Wear Resistance - Rockwell C35 hardness provides extended service life in high-cycle industrial environments.
• Reliable Thread Engagement - Class 2G thread fit maintains consistent performance while accommodating minor alignment variations.
• Left-Hand Thread Advantage - Enables unique mechanical configurations and reverse motion applications where standard right-hand threads are unsuitable.
• Full-Length Threading - Continuous 3-foot threaded length offers maximum flexibility in nut positioning and travel distance.
• Regulatory Compliance Assurance - Meets RoHS 3 and REACH environmental standards for global manufacturing compatibility.

Professional Applications & Engineering Value

This 1"-8 left hand Acme lead screw delivers critical performance in precision motion systems where reliability and accuracy are paramount. Manufactured from ASTM Grade B7 alloy steel, the component addresses common industrial challenges including positional drift, thread wear, and load-induced failure. The Acme thread form provides optimal power transmission efficiency while the left-hand threading enables specialized applications in clamping systems, adjustable machinery, and reverse-motion mechanisms. The fully threaded design across the entire 3-foot length allows for maximum configuration flexibility in CNC equipment, industrial actuators, and material handling systems. With 125,000 psi tensile strength and Rockwell C35 hardness, this lead screw maintains dimensional stability under continuous operation, reducing maintenance frequency and downtime in demanding manufacturing environments.

Specification Summary & Compliance

This precision Acme lead screw features 1"-8 left-hand threading with Class 2G thread fit tolerance and 0.125" travel distance per turn. Manufactured to ASTM A193 specifications using ASTM Grade B7 alloy steel, the component delivers consistent mechanical properties and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility while meeting global industrial standards for heavy-duty motion control applications.