S-98940A421 1"-10 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance and corrosion protection with Black-Oxide coated 4140 alloy steel, extending service life in demanding industrial environments.
• Exceptional load-bearing capacity due to a high tensile strength of 125,000 psi and Brinell 271 hardness, preventing deformation under heavy loads.
• Highly predictable and precise linear motion with a travel accuracy of ±0.009" per foot, ensuring repeatable positioning in automated systems.
• Reliable engagement and smooth operation with a Class 2C thread fit, offering optimal clearance for applications requiring minimal backlash.
• Enhanced durability and strength from the hardening heat treatment, making it suitable for high-stress power transmission applications.
• Versatile left-hand thread direction for specialized mechanical setups where reverse motion is required.
• Compliance with environmental regulations as it is RoHS 3 compliant, ensuring it meets global standards for hazardous substance restrictions.

Professional Applications & Engineering Value

This 1"-10 Left Hand Acme Lead Screw is engineered to solve critical challenges in industrial automation and linear motion systems. The hardened 4140 alloy steel construction, combined with the Black-Oxide surface treatment, provides excellent resistance to wear and corrosion, which is vital in environments exposed to moisture, chemicals, or constant friction. The Acme thread form and Class 2C thread fit ensure efficient power transmission with reduced risk of jamming, making it ideal for precision machinery, CNC equipment, and heavy-duty actuators. Its left-hand threading offers unique solutions for complex mechanical designs requiring counter-directional movement. With a high tensile strength and precise travel distance per turn, this lead screw delivers reliable performance, minimizing downtime and maintenance costs in industrial applications.

Specification Summary & Compliance

This lead screw adheres to Acme thread standards with a Class 2C thread fit, ensuring proper clearance and functional reliability. It features a travel distance per turn of 0.1" with an accuracy of ±0.009" per foot, providing high precision for linear motion control. The product is manufactured from hardened 4140 alloy steel and is fully compliant with RoHS 3 (2015/863/EU) regulations, confirming the absence of restricted hazardous substances. This compliance, along with its robust material properties, makes it suitable for global industrial use.