S-99015A260 1/2"-10 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior accuracy with ±0.0003" per inch travel tolerance for reliable, repeatable positioning in precision motion systems.
• Exceptional durability from Black-Oxide 4140 Alloy Steel, offering 95,000 psi tensile strength and Brinell 200 hardness for long service life under heavy loads.
• Versatile dual-thread design with both right-hand and left-hand 17" usable threads, enabling complex mechanical assemblies and bidirectional movement.
• Consistent 0.1" travel per turn with a 1:1 speed ratio, ensuring predictable linear motion and simplified system calibration.
• Robust Class 2C thread fit provides optimal clearance for smooth operation with ACME nuts, reducing binding and wear.
• Full 3 ft. threading maximizes usable length for flexible integration into various industrial machinery layouts.
• Environmental compliance with RoHS 3 and REACH standards, ensuring safe use in regulated industries and global markets.

Professional Applications & Engineering Value

This 1/2"-10 Acme Lead Screw is engineered to address critical challenges in precision motion control systems, where accuracy and durability are paramount. The Black-Oxide 4140 Alloy Steel construction resists corrosion and wear, maintaining performance in harsh industrial environments like CNC machinery, automated positioning tables, and material handling equipment. Its fully threaded design with dual right-hand and left-hand threads allows for synchronized multi-axis movements or complex mechanical adjustments, eliminating the need for additional components. The ±0.0003" accuracy per inch travel ensures minimal positional error, reducing downtime and rework in high-stakes applications such as aerospace tooling or medical device manufacturing. By combining ACME threading with a Class 2C fit, it delivers smooth, low-friction operation that extends the life of mating nuts and enhances overall system reliability.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit standards, providing precise dimensional tolerances for reliable ACME nut engagement. It features a 1/2"-10 ACME thread type with a travel distance of 0.1" per turn and is manufactured from 4140 Alloy Steel with a black-oxide finish for enhanced corrosion resistance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use worldwide.