S-91808A046 3/4"-8 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• High Tensile Strength: With 64,000 psi tensile strength, this nut ensures reliable performance under heavy loads, reducing the risk of failure in demanding applications.
• Precision Thread Fit: Class 2G thread fit provides consistent engagement and smooth operation, minimizing backlash and improving positional accuracy in lead screw systems.
• Durable Material Construction: Made from Grade 2 carbon steel with Rockwell B85 hardness, it offers excellent wear resistance and long service life in industrial environments.
• Efficient Linear Motion: The 0.125" travel distance per turn allows for precise and controlled linear movement, enhancing operational efficiency in automated systems.
• Left-Hand Thread Design: Enables unique assembly configurations and prevents unintentional loosening in rotating machinery, adding versatility to your designs.
• Hex Nut Profile: Standard hex shape facilitates easy installation and removal with common tools, speeding up maintenance and reducing downtime.
• Environmental Compliance: RoHS 3 and REACH compliant, ensuring safe use in regulated industries and supporting global supply chain requirements.

Professional Applications & Engineering Value

This 3/4"-8 left hand Acme thread hex nut is engineered to address common challenges in linear motion systems, such as precision positioning and load handling. The Grade 2 carbon steel construction provides robust durability, resisting deformation under continuous use, while the Class 2G thread fit ensures minimal play and reliable torque transmission. Ideal for industrial machinery, CNC equipment, and lifting mechanisms, its Acme thread type offers high efficiency with low friction, reducing wear and maintenance needs. The left-hand thread direction adds flexibility for counter-rotational setups, preventing accidental disassembly. With a 0.125" travel per turn, it delivers consistent motion control, making it a valuable component for engineers seeking accuracy and longevity in Acme lead screw assemblies.

Specification Summary & Compliance

This nut adheres to Class 2G thread fit standards for precise dimensional accuracy and smooth operation. It meets Acme thread specifications with a size of 3/4"-8 and is manufactured from Grade 2 carbon steel, ensuring consistent performance. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it is free from hazardous substances and suitable for global industrial applications.