S-99030A413 3/4"-5 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional positioning accuracy with ±0.009" per foot travel tolerance for reliable, repeatable motion control in automated systems.
• Superior durability and load capacity from 1018 Carbon Steel construction, offering a high 64,000 psi tensile strength and Brinell 126 hardness for long service life.
• Optimized for reverse motion applications with a left-hand Acme thread design, ideal for specialized machinery requiring counter-clockwise advancement.
• Consistent, smooth power transmission with a Class 2C thread fit, ensuring reliable engagement with mating nuts and reduced backlash.
• Predictable linear movement providing 0.2 inches of travel per single revolution, simplifying machine design and control calculations.
• Full regulatory compliance meeting RoHS 3 and REACH standards, ensuring safety and environmental responsibility for global supply chains.
• Ready for immediate integration as a fully threaded, 3-foot long component with a 1:1 speed ratio for straightforward installation.

Professional Applications & Engineering Value

This high-precision 3/4"-5 Left Hand Acme Lead Screw is engineered to solve critical challenges in industrial automation and motion control systems. The 1018 Carbon Steel construction provides the necessary tensile strength and wear resistance for high-cycle applications, while the left-hand Acme threading offers specialized solutions for applications requiring reverse-direction linear motion, such as clamping mechanisms, valve controls, and custom machinery. The Class 2C thread fit ensures consistent performance with minimal play, reducing maintenance needs and improving positional accuracy in CNC equipment, lifting systems, and precision actuators. Its fully threaded design and standardized Acme thread type make it compatible with a wide range of industrial components, delivering reliable performance where reverse-threaded motion is essential.

Specification Summary & Compliance

This lead screw features a 3/4"-5 Acme thread size with Class 2C thread fit per industry standards, ensuring proper clearance and functional reliability. It delivers a consistent travel distance of 0.2" per turn with an accuracy of ±0.009" per foot. Manufactured from 1018 Carbon Steel with a tensile strength of 64,000 psi and Brinell 126 hardness, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety and restricted substances.