S-95155A363 1 1/4"-5 ASTM B16 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 360 Brass construction, ideal for harsh industrial environments and reducing maintenance frequency.
• Precise left-hand thread engagement with Class 2G fit ensures reliable, backlash-resistant operation in reverse-motion systems.
• Consistent 0.2" linear travel per revolution provides predictable and accurate positioning for automated equipment.
• Robust Rockwell B75 hardness offers excellent wear resistance, extending the nut's service life under repetitive use.
• Standard 1:1 speed ratio delivers direct mechanical translation for straightforward integration into drive systems.
• Convenient hex nut design allows for easy installation and removal with standard wrenches, saving assembly time.
• Compliance with ASTM B16 specifications guarantees material quality and dimensional consistency for engineering reliability.

Professional Applications & Engineering Value

This left-hand Acme hex nut is engineered from 360 Brass to address common challenges in motion control systems requiring reverse threading, such as clamping mechanisms and precision adjustment devices. The Class 2G thread fit and Acme thread type provide a balance of durability and smooth operation, minimizing wear in high-cycle applications. Its Rockwell B75 hardness ensures it withstands mechanical stresses without deformation, while the 0.2" travel per turn enables fine linear control. Ideal for industrial machinery, automation, and equipment where reliable reverse thread performance is critical, this nut reduces downtime and maintenance costs by offering consistent, long-lasting functionality in demanding environments.

Specification Summary & Compliance

This nut features a 1 1/4"-5 left-hand Acme thread with Class 2G thread fit for precise tolerances, ensuring compatibility with standard lead screws. Manufactured from 360 Brass per ASTM B16 specifications, it includes a hardness of Rockwell B75 and dimensions of 1 1/4" height and 2" width (across flats). The product adheres to industry standards for material quality and is suitable for applications requiring reliable performance, though thrust load capacity is not rated. It is designed to meet general industrial compliance, including potential RoHS and REACH guidelines for material safety.