S-98940A641 1"-4 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance from hardened 4140 alloy steel construction with Brinell 271 hardness for extended service life in demanding applications
• Exceptional positioning accuracy with ±0.009" per foot tolerance ensures reliable motion control and repeatable performance
• Optimized power transmission through 0.25" travel per turn provides efficient linear motion with minimal backlash
• Enhanced corrosion protection from black-oxide surface treatment for improved durability in industrial environments
• Reliable thread engagement with Class 2C thread fit ensures smooth operation and consistent performance
• High load capacity with 125,000 psi tensile strength handles substantial mechanical stresses in precision applications
• Environmental compliance with RoHS 3 standards meets international regulatory requirements for industrial components

Professional Applications & Engineering Value

This high-precision ACME lead screw delivers exceptional engineering value in applications requiring accurate linear motion control. The hardened 4140 alloy steel construction with black-oxide coating provides superior durability against wear and environmental factors, making it ideal for CNC machinery, industrial automation, and precision positioning systems. The Class 2C thread fit ensures minimal backlash while maintaining smooth operation, crucial for applications demanding repeatable accuracy. With its 0.25" travel per turn and tight ±0.009" per foot accuracy, this fully threaded right-hand ACME lead screw solves critical engineering challenges in motion control systems where precision, reliability, and long-term performance are paramount.

Specification Summary & Compliance

This precision component features 1"-4 ACME thread with Class 2C thread fit and right-hand threading direction. Manufactured to exacting standards with ±0.009" accuracy per foot and 0.25" travel distance per turn. The hardened 4140 alloy steel achieves Brinell 271 hardness and 125,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) environmental standards for industrial applications requiring regulatory adherence.