S-95100A427 1 1/4"-5 ASTM B16 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance with 360 Brass construction and Rockwell B55 hardness for extended service life in demanding applications
• Precise linear motion control delivering consistent 0.2" travel per turn for accurate positioning requirements
• Optimized thread engagement with Class 2G thread fit ensuring smooth operation and reduced backlash
• Left-hand thread design providing reverse motion capabilities for specialized mechanical systems
• Excellent corrosion resistance from brass material composition, ideal for various industrial environments
• Round nut configuration offering versatile mounting options and compatibility with standard lead screw assemblies
• Reliable performance standardization through compliance with ASTM B16 specifications for consistent quality

Professional Applications & Engineering Value

This 1 1/4"-5 ACME left-hand thread brass nut delivers exceptional value in precision linear motion systems where reverse operation and reliable positioning are critical. The 360 Brass construction with Rockwell B55 hardness provides optimal durability against wear in repetitive motion applications, while the Class 2G thread fit ensures minimal play and consistent performance. The left-hand ACME thread design is particularly valuable in applications requiring counter-rotational movement or where standard right-hand threads would be impractical. Engineered for industrial equipment, automation systems, and precision machinery, this component solves common challenges of thread wear, positioning accuracy, and directional control in mechanical assemblies. The 0.2" travel per turn offers predictable linear advancement, making it ideal for applications requiring precise measurement and repeatable movement.

Specification Summary & Compliance

This ACME lead screw nut features precise 1 1/4"-5 left-hand thread with Class 2G thread fit tolerance, ensuring proper engagement and smooth operation. Manufactured from 360 Brass material with Rockwell B55 hardness rating, the component delivers 0.2" travel distance per turn with single thread start configuration. The round nut design measures 2" diameter with 1 1/4" height, complying with ASTM B16 standards for brass screw machine stock and related components. This specification ensures consistent material properties and dimensional accuracy for reliable integration into industrial linear motion systems.