S-93410A445 3/4"-5 x 6 ft. ASTM A193 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
- Exceptional load-bearing capability with 125,000 psi tensile strength for reliable performance in high-stress applications
- Superior wear resistance due to Rockwell C35 hardness, extending service life in demanding industrial environments
- Precision left-hand ACME threading provides consistent 0.2" travel per turn for accurate positioning and motion control
- Class 2G thread fit ensures optimal clearance and smooth operation with mating components
- ASTM Grade B7 alloy steel construction delivers excellent mechanical properties and durability for heavy-duty applications
- Full 6-foot length with single-start threading offers versatile installation options and consistent performance across the entire screw
- Comprehensive regulatory compliance with RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
This 3/4"-5 Left Hand ACME Lead Screw delivers exceptional engineering value in precision motion control systems where reverse-thread operation is required. Manufactured from ASTM Grade B7 alloy steel, this component addresses critical industrial challenges including heavy load capacity, precise positioning, and long-term reliability. The fully threaded ACME design with Class 2G fit provides smooth, predictable movement with minimal backlash, making it ideal for applications requiring accurate linear motion in manufacturing equipment, automation systems, and material handling machinery. The left-hand threading offers unique solutions for specialized mechanisms where conventional right-hand threads would be impractical, while the single-start configuration ensures consistent performance and easy integration with compatible nuts and drive systems.
Specification Summary & Compliance
This precision ACME lead screw features 3/4"-5 thread size with Class 2G thread fit tolerance and left-hand thread direction. The component meets ASTM A193 specifications for high-temperature service and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards. Manufactured from ASTM Grade B7 alloy steel, the screw delivers 125,000 psi tensile strength and Rockwell C35 hardness, ensuring reliable performance in demanding industrial applications requiring precise motion control and durable threading components.
