S-95072A217 1 1/4"-4 x 1 3/4" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance from 673 Bronze construction with Brinell 70 hardness for extended service life in high-friction environments
• Precise motion control with 0.25" travel per turn enabling accurate positioning in automated systems
• Reliable left-hand thread operation for specialized applications requiring reverse-direction mechanical advantage
• Optimized thread engagement through Class 2C fit ensuring smooth performance with minimal backlash
• Dual-thread compatibility featuring both internal Acme and external UNS threads for versatile mounting solutions
• Environmental compliance meeting RoHS 3 standards for use in regulated industries worldwide
• Robust construction with 2.125" diameter and 1 3/4" length providing structural integrity for heavy-duty applications

Professional Applications & Engineering Value

This precision Acme nut delivers exceptional performance in demanding motion control systems where reliability is critical. The 673 Bronze material composition provides natural lubricity and excellent wear characteristics, significantly reducing maintenance intervals in high-cycle applications. The left-hand Acme thread (1 1/4"-4) offers specialized solutions for applications requiring counter-rotational force, such as clamping mechanisms and precision adjustment systems. With Class 2C thread fit and 0.25" travel per turn, this component ensures precise linear motion control while the generous 13/16" external thread length provides secure mounting stability. Ideal for industrial automation, machine tools, and heavy equipment where bronze nuts demonstrate superior performance over plastic alternatives.

Specification Summary & Compliance

This externally threaded Acme nut features precision Class 2C thread fit with 1 1/4"-4 left-hand internal Acme threads and 1 31/32"-18 UNS external threads. Manufactured from 673 Bronze with Brinell 70 hardness, the component delivers 0.25" travel per turn within compact 2.125" diameter x 1 3/4" length dimensions. The product is RoHS 3 (2015/863/EU) compliant with exemption 6(c) for lead in copper alloys, ensuring environmental regulation adherence while maintaining optimal mechanical properties for industrial applications.