S-3405N104 3/4"-4 x 4 ft. Fast-Travel Ball Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Load Capacity with 85,000 psi tensile strength and Rockwell C56 hardness for reliable operation under heavy-duty industrial loads.
• Superior Positioning Accuracy featuring ±0.004" per ft. travel distance accuracy for precise linear motion control in automated systems.
• Optimized Fast-Travel Performance with 0.5" travel per turn and 2 thread starts enabling rapid movement and increased efficiency.
• Extended Service Life through rolled thread fabrication and hardened alloy steel construction, reducing wear and maintenance needs.
• Broad Temperature Resilience operating reliably from -40° to 300°F for stable performance in varied environmental conditions.
• High-Efficiency Motion Transfer with fully threaded, right-hand ball screw design ensuring smooth, consistent force transmission.
• Robust Structural Integrity from 0.629" root diameter providing increased rigidity and resistance to deflection.

Professional Applications & Engineering Value

This 3/4"-4 ball screw is engineered to address critical challenges in high-precision industrial automation and machinery. The alloy steel hardened construction, combined with rolled thread fabrication, ensures minimal backlash and extended durability under continuous operation. Its 0.5" travel per turn and 2 thread starts deliver fast linear motion, making it ideal for CNC equipment, robotic actuators, and material handling systems where speed and accuracy are paramount. The right-hand thread and fully threaded design provide consistent force distribution, reducing the risk of mechanical failure. With a temperature range of -40° to 300°F, it maintains reliable performance in harsh environments, from cold storage facilities to high-temperature manufacturing zones, ensuring uninterrupted productivity.

Specification Summary & Compliance

This fast-travel ball screw adheres to standard inch measurements with a 4 ft. length, 3/4"-4 thread size, and 0.629" root diameter. The travel distance accuracy of ±0.004" per ft. ensures precise linear positioning, while the rolled thread fabrication meets industry standards for durability and performance. Manufactured from hardened alloy steel with a tensile strength of 85,000 psi and Rockwell C56 hardness, it complies with general industrial specifications for linear motion components. The product is designed to meet RoHS and REACH environmental directives, supporting safe and sustainable use in various engineering applications.