S-91808A120 7/8"-6 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior load distribution with Acme thread design for smoother operation and reduced wear in high-load applications
• Exceptional mechanical strength from Grade 2 carbon steel construction, providing 64,000 psi tensile strength for reliable performance
• Precise motion control with 0.167" travel distance per turn enabling accurate linear positioning in industrial systems
• Optimized thread engagement through Class 2G thread fit ensuring proper clearance and reduced binding in assembly
• Enhanced durability with Rockwell B85 hardness rating offering excellent resistance to deformation under stress
• Left-hand thread configuration for specialized applications requiring reverse-direction locking or counter-rotational security
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This 7/8"-6 left hand Acme thread hex nut delivers critical performance advantages in demanding motion control systems. The Grade 2 carbon steel construction combined with the Acme thread profile provides exceptional resistance to backlash and wear in high-cycle applications. Engineering teams specify this component for precision linear actuators, industrial positioning equipment, and heavy-duty machinery where left-hand threading prevents unintended loosening from rotational vibration. The Class 2G thread fit ensures optimal clearance for smooth operation while maintaining precise alignment with mating Acme lead screws. With its 0.167" travel distance per turn, this nut enables accurate linear motion control in manufacturing automation, material handling systems, and precision mechanical assemblies where reliability under continuous operation is paramount.

Specification Summary & Compliance

This Acme thread hex nut features precise 7/8"-6 left hand threading with Class 2G thread fit per ASME B1.5 standards, ensuring proper operational clearance. Manufactured from Grade 2 carbon steel with mechanical properties including 64,000 psi tensile strength and Rockwell B85 hardness. The component delivers 0.167" travel distance per turn for accurate linear motion control. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures suitability for global industrial applications.