S-98940A008 3/8"-8 x 6 ft. Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance: Black-oxide coating on 4140 alloy steel provides superior protection against wear and environmental factors, extending service life in demanding industrial settings.
• High Load Capacity & Strength: Hardened material with 125,000 psi tensile strength and Brinell 271 hardness ensures reliable performance under heavy loads without deformation.
• Precise Linear Motion Control: ±0.009" per foot travel accuracy guarantees consistent positioning, reducing errors in automated systems and CNC applications.
• Fast-Travel Efficiency: 0.25" travel per turn combined with a 2:1 speed ratio enables rapid movement, boosting productivity in high-speed machinery.
• Optimized Thread Engagement: Class 2C thread fit and fully threaded Acme design minimize backlash, delivering smooth operation and reduced maintenance.
• Versatile Right-Hand Threading: Standard right-hand thread direction ensures compatibility with common industrial components, simplifying integration.
• Regulatory Compliance & Safety: RoHS 3 compliance meets environmental standards, making it suitable for global industrial use without hazardous substances.

Professional Applications & Engineering Value

This 3/8"-8 ACME lead screw is engineered for precision linear motion systems where accuracy and durability are critical. Constructed from hardened Black-Oxide 4140 alloy steel, it addresses common industrial challenges like wear, misalignment, and load fatigue. The fully threaded Acme design with a Class 2C thread fit ensures minimal play, enhancing repeatability in CNC machining, 3D printing, and automated assembly lines. With a 0.25" travel per turn and 2:1 speed ratio, it enables fast-travel applications without sacrificing precision, reducing cycle times in packaging, material handling, and robotics. The right-hand thread direction and robust construction make it ideal for high-stress environments, providing long-term reliability and reduced downtime.

Specification Summary & Compliance

This lead screw adheres to inch measurement standards with a Class 2C thread fit for precise Acme threading. It features a travel distance accuracy of ±0.009" per foot and is manufactured from hardened 4140 alloy steel with a tensile strength of 125,000 psi and Brinell 271 hardness. Compliant with RoHS 3 (2015/863/EU), it meets environmental regulations for industrial use, ensuring safety and sustainability in global markets.