S-93410A545 1 3/8"-4 x 6 ft. ASTM A193 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Load-Bearing Capability: With 125,000 psi tensile strength and ASTM Grade B7 alloy steel construction, this lead screw reliably handles high-stress applications without deformation.
• Precision Motion Control: The 0.25" travel distance per turn ensures accurate linear positioning for demanding industrial automation systems.
• Superior Thread Durability: Class 2G thread fit provides optimal clearance for smooth operation and reduced wear in continuous-use environments.
• Left-Hand Thread Versatility: Enables unique mechanical configurations and reverse motion applications where standard right-hand threads are unsuitable.
• Full-Length Threading Advantage: Fully threaded design allows for maximum travel length and flexible mounting positions along the entire 6-foot screw.
• Enhanced Material Performance: Rockwell C35 hardness ensures excellent wear resistance and long service life in harsh operating conditions.
• Regulatory Compliance Assurance: Meets critical industry standards including ASTM A193, RoHS 3, and REACH for global market acceptance and environmental safety.

Professional Applications & Engineering Value

This left hand Acme lead screw delivers exceptional engineering value in precision motion control systems where reliability and accuracy are paramount. Manufactured from ASTM Grade B7 alloy steel, it provides the necessary strength and durability for heavy-duty industrial applications including CNC machinery, material handling equipment, and precision positioning systems. The 1 3/8"-4 Acme thread configuration with Class 2G thread fit ensures smooth operation with minimal backlash, while the left-hand thread direction offers unique solutions for specialized mechanical designs. The 0.25" travel per turn provides precise linear motion control, making it ideal for applications requiring accurate positioning in manufacturing, automation, and robotics. With its fully threaded 6-foot length, this component offers maximum flexibility for various installation requirements.

Specification Summary & Compliance

This precision Acme lead screw features Class 2G thread fit tolerances with 1 3/8"-4 left-hand Acme threading and complies with ASTM A193 manufacturing specifications. The component meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) standards for chemical safety. Manufactured from ASTM Grade B7 alloy steel with verified 125,000 psi tensile strength and Rockwell C35 hardness, ensuring consistent performance in demanding industrial environments.