S-98935A451 3/4"-8 x 3 ft. ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise motion control with 0.125" travel per turn for accurate positioning in automated systems.
• Exceptional durability from Grade 2 Carbon Steel, offering high tensile strength (64,000 psi) and Rockwell B61 hardness for long service life.
• Reliable left-hand thread operation for specialized applications requiring reverse motion or unique assembly setups.
• Smooth, consistent performance with Class 2G thread fit, ensuring minimal backlash and secure engagement in industrial environments.
• Full-threaded design provides maximum contact and load distribution, reducing wear and maintenance needs.
• Compliance with ASTM A108 standards guarantees material consistency and manufacturing quality for dependable use.
• Eco-friendly and safe with RoHS 3 and REACH compliance, meeting global regulatory requirements for hazardous substances.

Professional Applications & Engineering Value

This 3/4"-8 Left Hand Acme Lead Screw is engineered to address critical challenges in precision motion control systems, such as CNC machinery, linear actuators, and conveyor systems. Constructed from Grade 2 Carbon Steel, it delivers high tensile strength and hardness (Rockwell B61), resisting deformation under heavy loads and repetitive use. The fully threaded Acme design and left-hand thread direction enable reverse or counter-rotational movements, ideal for specialized industrial setups where standard right-hand threads are impractical. With a travel distance of 0.125" per turn, it ensures fine-tuned positioning, reducing errors in automated processes. Compliant with ASTM A108 and environmental standards, this screw offers reliability in demanding applications like packaging equipment, material handling, and precision manufacturing, minimizing downtime and enhancing operational efficiency.

Specification Summary & Compliance

This lead screw features a 3/4"-8 Acme thread with Class 2G thread fit for precise tolerances and smooth operation. It adheres to ASTM A108 specifications for material quality and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances. The inch system measurement, left-hand thread direction, and fully threaded component design support consistent performance in industrial applications.