S-99030A405 1/2"-10 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Travel Accuracy: Maintains ±0.009" per foot precision for reliable, repeatable linear motion in automated systems.
• High Tensile Strength & Durability: 1018 Carbon Steel construction with 64,000 psi tensile strength and Brinell 126 hardness resists wear and deformation under heavy loads.
• Optimized for Reverse Motion Applications: Left-hand Acme threading provides reliable performance in systems requiring counter-clockwise advancement or specific directional control.
• Superior Thread Engagement: Class 2C thread fit ensures smooth operation with compatible nuts while accommodating minor misalignments in industrial assemblies.
• Ready for Immediate Integration: Fully threaded 3-foot length and single thread start design simplifies installation and provides consistent force transmission across the entire screw.
• Regulatory Compliance Assurance: Meets RoHS 3 and REACH environmental standards, making it suitable for global industrial markets and regulated applications.
• Consistent 1:1 Motion Ratio: Delivers predictable 0.1" travel per revolution for precise positioning control in machinery and automation equipment.

Professional Applications & Engineering Value

This precision Acme lead screw solves critical engineering challenges in industrial automation and motion control systems. The 1018 Carbon Steel construction provides the optimal balance of machinability and strength (64,000 psi tensile strength) for demanding applications where both precision and durability are paramount. The left-hand Acme threading with Class 2C thread fit offers specialized solutions for reverse-motion mechanisms, clamping systems, and positioning equipment that require specific directional control. With its ±0.009" per foot travel accuracy, this fully threaded component ensures repeatable performance in CNC machinery, linear actuators, and precision manufacturing equipment where positional consistency directly impacts product quality and operational efficiency.

Specification Summary & Compliance

This lead screw maintains Class 2C thread fit tolerances according to Acme thread standards, delivering 0.1" travel distance per turn with ±0.009" accuracy per foot. Manufactured from 1018 Carbon Steel with Brinell 126 hardness, it features a 1/2"-10 left-hand Acme thread pattern with single start threading and 1:1 speed ratio. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility while meeting industrial safety standards for global distribution and application.