S-93410A469 1"-4 x 3 ft. ASTM A193 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise 0.25" linear travel per revolution enables accurate positioning and repeatable motion control in automated systems.
• Exceptional 125,000 psi tensile strength from ASTM Grade B7 alloy steel ensures reliable performance under high-load conditions without deformation.
• Rockwell C35 hardness rating provides superior wear resistance for extended service life in demanding industrial environments.
• Left-hand Acme threading with Class 2G fit offers secure engagement and is ideal for applications requiring reverse-direction movement or specialized assembly.
• Full compliance with ASTM A193, RoHS 3, and REACH guarantees material quality and environmental safety for global industrial use.
• 3-foot fully threaded length provides versatile installation options and continuous drive capability across various machine setups.
• Robust construction meeting critical specifications delivers dependable operation in precision machinery, CNC equipment, and heavy-duty actuators.

Professional Applications & Engineering Value

This left hand Acme lead screw is engineered to solve critical challenges in industrial motion control systems where precision, strength, and reliability are paramount. The ASTM Grade B7 alloy steel construction combined with Acme threading provides optimal power transmission efficiency while resisting backlash in applications such as CNC machining centers, linear actuators, and material handling equipment. The 1"-4 thread size with 0.25" travel per turn ensures predictable linear motion, making it ideal for positioning tables, clamping devices, and automated assembly lines where consistent performance under continuous operation is required. The left-hand thread direction offers specialized solutions for systems requiring counter-rotational movement or unique mechanical configurations that standard right-hand threads cannot accommodate.

Specification Summary & Compliance

This Acme lead screw features a 1"-4 thread size with Class 2G thread fit for reliable engagement, manufactured from ASTM Grade B7 alloy steel with 125,000 psi tensile strength and Rockwell C35 hardness. The component fully complies with ASTM A193 material specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring both mechanical performance and regulatory compliance for industrial applications worldwide.