S-95072A218 1 1/4"-5 x 1 3/4" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance with 673 Bronze construction and Brinell 70 hardness for extended service life in high-friction applications
• Precise linear motion control featuring 0.2" travel distance per turn and 1:1 speed ratio for accurate positioning
• Reliable left-hand thread operation for specialized applications requiring reverse-direction movement
• Optimized thread engagement with Class 2C fit ensuring smooth operation and reduced backlash
• Robust external threading with 13/16" length and 1 31/32"-18 UNS threads for secure mounting
• Environmental compliance meeting RoHS 3 standards with exemption for lead in copper alloys
• Dimensional stability with precise 2.125" diameter and 1 3/4" length for consistent performance

Professional Applications & Engineering Value

This precision Acme nut delivers exceptional performance in demanding industrial environments where reverse-direction linear motion is critical. The 673 Bronze construction provides excellent anti-galling properties and wear resistance, significantly reducing maintenance requirements in high-cycle applications. The left-hand Acme thread (1 1/4"-5) combined with Class 2C fit ensures reliable operation in positioning systems, clamping mechanisms, and machinery requiring counter-rotational movement. With its 0.2" travel per turn and 1:1 speed ratio, this externally threaded nut offers predictable linear advancement perfect for precision equipment, manufacturing automation, and motion control systems where accuracy and durability are paramount.

Specification Summary & Compliance

This precision Acme nut features a 1 1/4"-5 left-hand thread with Class 2C fit tolerance per Acme thread standards. The external threading follows UNS specifications at 1 31/32"-18 with 13/16" engagement length. Manufacturing complies with RoHS 3 (2015/863/EU) requirements under exemption 6(c) for lead in copper alloys. The component maintains dimensional accuracy with 2.125" diameter, 1 3/4" length, and single thread start configuration for consistent performance in industrial applications.