S-98940A743 1"-5 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• High-precision positioning with ±0.009" per foot accuracy ensures reliable, repeatable motion control in automated systems
• Exceptional durability from hardened 4140 alloy steel construction withstands heavy loads and prolonged industrial use
• Superior strength characteristics with 125,000 psi tensile strength and Brinell 271 hardness for demanding applications
• Optimized thread engagement through Class 2C thread fit provides smooth operation with reduced backlash
• Corrosion-resistant protection from black-oxide surface treatment extends service life in challenging environments
• Consistent travel performance with 0.2" per turn and single thread start for predictable motion control
• Regulatory compliance with RoHS 3 standards ensures environmental responsibility and global market acceptance

Professional Applications & Engineering Value

This precision Acme lead screw delivers exceptional value in industrial automation and motion control systems where accuracy and reliability are paramount. The black-oxide 4140 alloy steel construction, combined with hardening treatment, provides superior resistance to wear and deformation under continuous operation. The left-hand Acme threading with Class 2C thread fit offers precise positioning capabilities ideal for applications requiring reverse motion coordination or specialized mechanical arrangements. With its ±0.009" per foot accuracy and consistent 0.2" travel per turn, this component solves critical engineering challenges in CNC machinery, linear actuators, and precision positioning equipment where minute deviations can compromise entire manufacturing processes. The fully threaded design ensures maximum engagement surface for enhanced load distribution and longevity.

Specification Summary & Compliance

This 1"-5 Acme lead screw features Class 2C thread fit tolerances with ±0.009" per foot accuracy for travel distance. Manufactured from hardened 4140 alloy steel with black-oxide surface treatment, the component delivers 125,000 psi tensile strength and Brinell 271 hardness. The 3-foot length, single thread start, and left-hand Acme threading provide consistent 0.2" travel per turn. The product is fully compliant with RoHS 3 (2015/863/EU) environmental standards, ensuring suitability for global industrial applications requiring regulatory adherence.