S-91808A106 3/8"-12 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
- Precise linear motion control with 0.083" travel per turn for accurate positioning in industrial applications
- Enhanced durability in demanding environments thanks to carbon steel construction with Rockwell B85 hardness
- Reliable load-bearing performance supported by Grade 2 classification and 64,000 psi tensile strength
- Secure anti-loosening in rotating systems enabled by left-hand Acme thread design for specific motion control needs
- Consistent thread engagement ensured by Class 2G thread fit for smooth operation with standard Acme lead screws
- Easy installation and maintenance with standard hex nut profile compatible with common wrench tools
- Compliance with global environmental standards including RoHS 3 and REACH for safe use in regulated industries
Professional Applications & Engineering Value
This 3/8-12 left hand Acme hex nut delivers critical performance in motion control systems where reverse threading prevents unintended loosening under continuous operation. Manufactured from Grade 2 carbon steel, it maintains structural integrity in high-stress applications like linear actuators, machine tools, and conveyor systems. The Acme thread form provides superior wear resistance compared to standard threads, while the Class 2G thread fit ensures consistent mating with lead screws without binding. With 64,000 psi tensile strength and controlled 0.083" travel per turn, this component solves positioning accuracy challenges while enduring repetitive mechanical stresses in industrial automation, packaging machinery, and material handling equipment.
Specification Summary & Compliance
This Acme nut features 3/8-12 left hand threads with Class 2G thread fit per Acme thread standards, ensuring dimensional compatibility with standard lead screws. The carbon steel construction meets Grade 2 mechanical properties (64,000 psi tensile strength, Rockwell B85 hardness). Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring restricted substance compliance.
