S-95155A359 1 1/8"-5 ASTM B16 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability - Crafted from 360 Brass with Rockwell B75 hardness for excellent wear resistance and long service life in demanding environments.
• Precision Movement - Delivers a consistent 0.2" travel distance per turn, ensuring accurate and repeatable linear motion in your assemblies.
• Superior Thread Engagement - Features a Class 2G thread fit for smooth, reliable operation with minimal backlash and secure mating with Acme lead screws.
• Left-Hand Threading Advantage - The 1 1/8"-5 left-hand Acme thread provides unique mechanical solutions for applications requiring reverse or counter-rotational movement.
• Easy Installation & Maintenance - Hex nut design allows for straightforward wrenching and secure fastening, simplifying assembly and disassembly processes.
• Material Reliability - 360 Brass offers good corrosion resistance and machinability, contributing to lower maintenance and consistent performance.
• Standard Compliance - Manufactured to meet ASTM B16 specifications, ensuring material quality and dimensional consistency for reliable industrial use.

Professional Applications & Engineering Value

This 1 1/8"-5 left-hand Acme hex nut is engineered to address critical needs in precision mechanical systems where reverse linear motion or specific directional control is required. The 360 Brass construction provides inherent corrosion resistance and excellent machinability, reducing wear on mating components and extending assembly life. The left-hand Acme thread is ideal for applications such as clamping mechanisms, adjustable fixtures, and specialized machinery where standard right-hand threads are unsuitable. With a Class 2G thread fit, it ensures smooth operation with minimal play, enhancing positional accuracy in lead screw assemblies. The combination of Rockwell B75 hardness and precise 0.2" travel per turn delivers reliable performance in industrial automation, valve controls, and precision positioning equipment, reducing downtime and maintenance costs.

Specification Summary & Compliance

This nut features a 1 1/8"-5 left-hand Acme thread with a Class 2G thread fit, ensuring dimensional accuracy and proper clearance for smooth operation. It is manufactured from 360 Brass and complies with ASTM B16 standards for brass rod, bar, and shapes, guaranteeing material consistency and performance reliability. The component is designed for use in mechanical drive systems and meets general industry requirements for precision lead screw components.