S-98935A642 5/8"-8 x 12 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
- Precision positioning with 0.125" travel per turn ensures accurate linear motion control in automated systems
- Exceptional durability from Grade 2 carbon steel construction withstands heavy loads and continuous operation
- Reliable thread engagement with Class 2G thread fit provides consistent performance and reduced backlash
- High load capacity supported by 64,000 psi tensile strength and Rockwell B61 hardness rating
- Industry-standard compatibility through ACME thread profile meets common mechanical drive requirements
- Environmental compliance with RoHS 3 and REACH standards ensures safe use in regulated industries
- Full-length threading enables flexible mounting and continuous motion along the entire 12-foot length
Professional Applications & Engineering Value
This 5/8-8 ACME lead screw delivers exceptional value in precision motion control applications where reliability and accuracy are paramount. The Grade 2 carbon steel construction, hardened to Rockwell B61, provides the necessary strength to handle substantial axial loads while resisting wear in continuous operation. The fully threaded design with right-hand ACME threads ensures smooth power transmission in CNC machinery, 3D printers, industrial actuators, and material handling equipment. With its 0.125" travel per turn and Class 2G thread fit, this component eliminates positioning errors and reduces maintenance requirements in demanding industrial environments. The single-start thread configuration maintains a 1:1 speed ratio for straightforward motion conversion, making it ideal for applications requiring predictable linear movement from rotational input.
Specification Summary & Compliance
This inch-system ACME lead screw features 5/8-8 thread size with Class 2G thread fit tolerances for precise engagement. Manufactured from Grade 2 carbon steel meeting ASTM A108 specifications, it delivers 64,000 psi tensile strength and Rockwell B61 hardness. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring suitability for use in regulated industries and international markets.
