S-91808A066 1"-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
- Superior load handling with 64,000 psi tensile strength for reliable performance in demanding applications
- Enhanced durability from Grade 2 carbon steel construction and Rockwell B85 hardness for extended service life
- Precise motion control with 0.125" travel per turn for accurate positioning in lead screw assemblies
- Secure thread engagement with Class 2G thread fit ensuring consistent performance in left-hand applications
- Easy installation and maintenance with standard hex nut design for straightforward wrench access
- Environmental compliance meeting RoHS 3 and REACH standards for use in regulated industries
- Reliable left-hand thread operation specifically engineered for reverse motion and safety-critical applications
Professional Applications & Engineering Value
This 1"-8 left hand ACME hex nut delivers exceptional engineering value in industrial motion control systems where reverse thread operation is critical. Manufactured from Grade 2 carbon steel, the component provides optimal strength-to-weight ratio while maintaining Rockwell B85 hardness for wear resistance in high-cycle applications. The ACME thread form with Class 2G thread fit ensures smooth engagement with lead screws, minimizing backlash in precision positioning equipment. The left-hand thread direction is particularly valuable in applications requiring counter-rotation safety, such as lifting mechanisms, clamping systems, and machinery where unintended loosening could create hazardous conditions. With consistent 0.125" travel per turn, this nut enables predictable linear motion in automated equipment, CNC machinery, and industrial actuators.
Specification Summary & Compliance
This precision ACME hex nut features 1"-8 left hand threads with Class 2G thread fit tolerance, manufactured from Grade 2 carbon steel with 64,000 psi tensile strength and Rockwell B85 hardness. The component delivers 0.125" travel distance per turn and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring suitability for regulated industrial applications requiring verified material composition and restricted substance compliance.
