S-91808A023 1/2"-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
Load & Performance Parameters
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Key Features & Benefits at a Glance
- High tensile strength of 64,000 psi ensures reliable load-bearing capacity and resistance to deformation in demanding applications
- Left-hand Acme thread design provides secure, non-loosening performance in reverse motion systems and specialized machinery
- Class 2G thread fit offers optimal clearance for smooth operation while maintaining precise engagement with mating components
- Hex nut configuration allows for easy installation and removal using standard wrench tools, reducing assembly time
- 0.125" travel per turn delivers consistent linear motion control for accurate positioning in lead screw assemblies
- Grade 2 carbon steel construction with Rockwell B85 hardness provides excellent durability and wear resistance
- Full regulatory compliance with RoHS 3 and REACH standards ensures environmental safety and global market acceptance
Professional Applications & Engineering Value
This left-hand Acme hex nut solves critical engineering challenges in motion control systems where reverse threading prevents unintended loosening under vibration. The Grade 2 carbon steel construction combined with Class 2G thread fit provides the ideal balance between durability and operational clearance, reducing binding issues in high-cycle applications. With its 64,000 psi tensile strength and precise 1/2"-8 Acme thread profile, this component delivers reliable performance in industrial automation, CNC machinery, and precision positioning systems. The 0.125" travel per turn ensures predictable linear motion, while the hex design facilitates maintenance in confined spaces. Engineered for lead screw assemblies requiring consistent performance in demanding environments.
Specification Summary & Compliance
This 1/2"-8 left-hand Acme hex nut features Class 2G thread fit per industry standards, ensuring proper clearance and engagement. Manufactured from Grade 2 carbon steel with Rockwell B85 hardness, it maintains dimensional stability under load. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental and safety requirements for industrial components.
