S-98948A133 2 1/2"-4 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 0.25" travel per turn enables accurate linear positioning in motion control systems
- Class 2G thread fit provides optimal clearance for smooth operation while maintaining dimensional stability
- Zinc plating on carbon steel offers reliable corrosion resistance for extended service life in industrial environments
- Rockwell B75 hardness ensures durable performance under repeated use without deformation
- Right-hand ACME thread design delivers consistent power transmission in standard industrial applications
- Hex nut configuration allows for easy installation and maintenance using standard tools
- RoHS 3 and REACH compliance meets international environmental standards for safe industrial use
Professional Applications & Engineering Value
This 2 1/2"-4 ACME hex nut delivers exceptional value in precision motion control systems where reliability and accuracy are paramount. The carbon steel construction with zinc plating provides robust protection against corrosion while maintaining the structural integrity needed for industrial applications. The ACME thread profile offers superior load distribution compared to standard threads, making it ideal for lead screw systems in manufacturing equipment, CNC machinery, and automated positioning systems. With its Class 2G thread fit and consistent 0.25" travel per turn, this component ensures predictable performance in repetitive motion applications, reducing maintenance downtime and improving operational efficiency. The combination of Rockwell B75 hardness and precise thread geometry addresses common challenges of wear and backlash in motion control assemblies.
Specification Summary & Compliance
This ACME lead screw nut features a 2 1/2"-4 thread size with Class 2G thread fit tolerance, ensuring proper clearance for smooth operation. The component maintains dimensional accuracy per ACME thread standards with right-hand thread direction and single thread start configuration. Manufactured from zinc plated carbon steel with Rockwell B75 hardness, this nut is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring certified components.
