S-98948A119 7/8"-6 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability: Zinc plating on carbon steel provides excellent corrosion resistance, extending service life in harsh industrial environments.
• Precision Movement: 0.167" travel distance per turn ensures accurate and predictable linear motion control for your machinery.
• Superior Thread Engagement: Class 2G thread fit offers optimal clearance for smooth operation and reduced wear with ACME lead screws.
• High Mechanical Strength: Rockwell B75 hardness rating ensures the nut maintains its form and resists deformation under load.
• Easy Installation & Maintenance: Standard hex nut design allows for simple wrenching and secure fastening in assembly applications.
• Reliable Performance: Right-hand thread direction and single start design provide consistent, non-reversing motion in automated systems.
• Global Compliance: Meets RoHS 3 and REACH environmental standards, ensuring suitability for international supply chains and regulated industries.

Professional Applications & Engineering Value

This 7/8-6 ACME hex nut is engineered for demanding lead screw applications where precision and reliability are non-negotiable. The zinc plated carbon steel construction combats corrosion, a common failure point in industrial settings, while the Rockwell B75 hardness ensures the component withstands repeated engagement without stripping. The Class 2G thread fit on the ACME thread profile is specifically designed to minimize backlash and provide smooth, efficient power transmission in machinery such as CNC tables, linear actuators, and lifting equipment. Its 0.167" travel per turn offers a balanced ratio for controlled movement, making it an ideal lead screw component for applications requiring precise positioning and long-term operational stability.

Specification Summary & Compliance

This component features a 7/8"-6 ACME thread with a Class 2G thread fit, ensuring proper dimensional accuracy and functional clearance. The nut is manufactured from carbon steel with a zinc-plated surface finish and possesses a hardness of Rockwell B75. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety standards for industrial use.