S-98935A877 1 1/4"-4 x 3 ft. ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise linear motion control with 0.25" travel per turn for accurate positioning in automated systems
• Exceptional load-bearing capacity with 64,000 psi tensile strength for demanding industrial applications
• Superior wear resistance from Rockwell B61 hardness for extended service life in high-cycle operations
• Reliable thread engagement with Class 2G thread fit ensuring smooth operation and reduced backlash
• Right-hand ACME threading provides efficient power transmission with standard directional control
• Full 3-foot threading allows for maximum travel range and flexible mounting configurations
• Environmental compliance meeting RoHS 3 and REACH standards for global manufacturing applications

Professional Applications & Engineering Value

This 1 1/4"-4 ACME lead screw delivers critical performance in precision motion control systems where reliability and accuracy are paramount. Manufactured from Grade 2 carbon steel with fully threaded construction, it provides consistent linear motion for industrial automation, CNC machinery, and material handling equipment. The ACME thread form offers superior load distribution compared to standard threads, while the right-hand threading and 0.25" travel per turn enable precise positioning control. The combination of 64,000 psi tensile strength and Rockwell B61 hardness ensures durability in high-stress applications, reducing maintenance frequency and downtime in manufacturing environments.

Specification Summary & Compliance

This ACME lead screw features 1 1/4"-4 thread size with Class 2G thread fit tolerance for optimal performance. Manufactured to ASTM A108 specifications, it ensures consistent quality and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, making it suitable for global industrial applications requiring strict regulatory adherence.