S-98675A119 5/8"-8 Acme Lead Screws and Nuts
Acme Lead Screws and Nuts
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Basic Information
Thread Parameters
Dimension Parameters
Lead Screw Specific Parameters
Nut Parameters
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Key Features & Benefits at a Glance
- Precise linear motion control with 0.125" travel per turn for accurate positioning in manual adjustment applications
- Durable cast iron construction with Rockwell B97 hardness provides excellent wear resistance and long service life
- Comfortable manual operation thanks to the wing-shaped thumb nut head design for easy hand tightening and adjustment
- Reliable thread engagement with Class 2G thread fit ensures smooth operation and reduced binding in ACME lead screw systems
- Industry-standard compatibility with 5/8-8 ACME right-hand threads for easy integration into existing inch-based systems
- Environmental compliance assurance with RoHS 3 and REACH compliance meeting strict industrial regulatory requirements
- Optimized for manual applications featuring single-start thread design for straightforward, predictable linear movement
Professional Applications & Engineering Value
This 5/8-8 ACME cast iron thumb nut delivers exceptional value in industrial settings where precise manual positioning is critical. The ACME thread form combined with Class 2G thread fit provides superior load distribution and reduced friction compared to standard threads, minimizing wear in high-cycle applications. The cast iron material with Rockwell B97 hardness offers excellent durability against abrasion and deformation, solving common wear issues in manual adjustment mechanisms. The wing-shaped thumb nut design enables comfortable hand operation without tools, making it ideal for applications requiring frequent adjustments in machinery, positioning systems, and industrial equipment where quick, precise manual control is essential for operational efficiency.
Specification Summary & Compliance
This ACME lead screw nut features precision 5/8-8 ACME right-hand threads with Class 2G thread fit tolerance for reliable performance. The component delivers 0.125" travel per turn with single-start thread configuration. Manufactured from cast iron with Rockwell B97 hardness, the thumb nut complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory compliance for industrial applications worldwide.
