S-98940A104 3/8"-12 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional accuracy with ±0.009" per foot travel tolerance for reliable, repeatable positioning in automated systems
• Superior strength and durability from hardened 4140 alloy steel construction, supporting heavy loads with 125,000 psi tensile strength
• Enhanced wear resistance and corrosion protection thanks to the black-oxide surface treatment on the Brinell 271 hardness material
• Precise motion control with a 0.083" travel distance per turn and single-start ACME thread design for smooth, predictable linear movement
• Broad compatibility with Class 2C thread fit standards, ensuring easy integration with nuts and assemblies in inch-based systems
• Full-length threading provides continuous engagement for versatile mounting and positioning along the entire 6-foot length
• Regulatory compliance with RoHS 3 directives, making it suitable for use in environmentally conscious industrial settings

Professional Applications & Engineering Value

Engineered for high-precision industrial applications, this 3/8-12 ACME lead screw delivers reliable linear motion in demanding environments. The Black-Oxide 4140 Alloy Steel construction, combined with hardening to Brinell 271 hardness, resists wear and deformation under continuous operation, addressing common failure points in automation equipment. Its Class 2C thread fit and ±0.009" per foot accuracy ensure minimal backlash and consistent performance in CNC machinery, 3D printers, and precision positioning systems. The fully threaded, 6-foot design offers flexibility for long-travel applications, while the right-hand thread and standard inch system measurements simplify installation and maintenance for engineers.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit standards for general purpose applications, ensuring dimensional consistency. It features a 3/8"-12 ACME thread with a travel distance of 0.083" per turn and is manufactured from hardened 4140 alloy steel. The product is RoHS 3 (2015/863/EU) Compliant, meeting environmental regulations for hazardous substance restrictions. Precision is maintained with an accuracy of ±0.009" per foot, supporting reliable operation in precision linear motion systems.