S-98935A430 5/8"-8 x 6 ft. ASTM A108 Acme Lead Screws and Nuts
Acme Lead Screws and Nuts
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Basic Information
Thread Parameters
Dimension Parameters
Lead Screw Specific Parameters
Load & Performance Parameters
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Key Features & Benefits at a Glance
- High tensile strength of 53,000 PSI ensures reliable performance under heavy loads and reduces risk of mechanical failure
- Precise 0.125" travel per turn delivers accurate linear motion control for repeatable positioning applications
- Left-hand ACME threading with Class 2G fit provides smooth, backlash-resistant operation in specialized motion systems
- Grade 2 carbon steel construction offers excellent durability and wear resistance for extended service life
- Rockwell B61 hardness rating maintains thread integrity and resists deformation under continuous operation
- 6-foot fully threaded length enables versatile installation in various industrial equipment configurations
- Environmental compliance with RoHS 3 and REACH standards ensures safe use in regulated industries
Professional Applications & Engineering Value
This 5/8-8 left hand ACME lead screw delivers exceptional engineering value in precision motion control systems where reverse-thread operation is required. Manufactured from Grade 2 carbon steel with Rockwell B61 hardness, it provides the necessary durability to withstand continuous operation in industrial automation, CNC machinery, and material handling equipment. The fully threaded design with Class 2G thread fit ensures consistent engagement with mating components, minimizing backlash while maintaining smooth linear motion. The 0.125" travel per turn offers precise positioning control, making it ideal for applications requiring accurate linear movement in packaging machinery, medical devices, and precision manufacturing equipment where reliability and repeatability are critical.
Specification Summary & Compliance
This ACME lead screw features 5/8-8 left-hand threading with Class 2G thread fit per inch system standards. The component meets ASTM A108 manufacturing specifications and demonstrates compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. With a tensile strength of 53,000 PSI and Rockwell B61 hardness, it delivers consistent performance in demanding industrial applications requiring precise motion control and durable linear actuation solutions.
