S-98940A635 3/4"-5 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance and corrosion protection thanks to the Black-Oxide finish on 4140 alloy steel, extending service life in demanding industrial environments.
• Exceptional precision and repeatability with a travel accuracy of ±0.009" per foot, ensuring reliable performance in motion control systems.
• High load-bearing capacity and durability from a hardened material with a tensile strength of 125,000 psi and a Brinell hardness of 271, resisting deformation under stress.
• Consistent and predictable linear motion with a 0.2" travel distance per turn and a single thread start, providing smooth and controlled actuation.
• Broad compatibility and easy integration due to the Class 2C thread fit and standard 3/4"-5 ACME thread, fitting common nut assemblies and reducing assembly time.
• Compliance with environmental regulations as a RoHS 3 compliant component, making it suitable for use in regulated markets and applications.
• Ready for immediate use in right-hand drive systems with fully threaded construction, offering flexibility in various mechanical setups.

Professional Applications & Engineering Value

This 3/4"-5 ACME lead screw is engineered to address critical challenges in precision motion control and industrial automation. Made from Black-Oxide 4140 Alloy Steel and hardened for increased strength, it combats common issues like wear, corrosion, and mechanical failure in high-duty cycles. The ACME thread type and Class 2C fit ensure low backlash and smooth operation, making it ideal for applications such as CNC machinery, linear actuators, and positioning systems where ±0.009" per foot accuracy is paramount. Its fully threaded, right-hand design allows for efficient force transmission, reducing maintenance needs and enhancing the reliability of industrial lead screw assemblies in sectors like manufacturing, packaging, and automotive testing.

Specification Summary & Compliance

This lead screw adheres to inch system measurements with a Class 2C thread fit and ACME thread type (3/4"-5), ensuring dimensional precision for consistent performance. It is manufactured from hardened 4140 Alloy Steel and complies with RoHS 3 (2015/863/EU) regulations, confirming its suitability for environmentally conscious industrial applications without hazardous substances.