S-1343K217 1 1/4"-4 x 2 1/2" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional load-bearing performance with 7850 lbs dynamic thrust capacity for demanding industrial applications
• Superior wear resistance and longevity thanks to 932 Bearing Bronze construction with Brinell 65 hardness
• Precise motion control delivering consistent 0.25" travel per turn for accurate positioning
• Reliable left-hand thread operation ideal for specialized mechanical systems requiring reverse-direction movement
• Optimized thread engagement with Class 2C fit ensuring smooth operation and reduced backlash
• Robust round nut design providing excellent stability and compatibility with standard mounting configurations
• Heavy-duty inch system compatibility for seamless integration with existing industrial equipment

Professional Applications & Engineering Value

This precision Acme nut with left-hand Acme threading solves critical engineering challenges in heavy-load applications where reverse-direction motion control is essential. The 932 Bearing Bronze construction combined with Brinell 65 hardness provides exceptional resistance to wear and deformation under continuous operation, making it ideal for industrial machinery, lifting systems, and precision positioning equipment. The Class 2C thread fit ensures minimal play and consistent performance in high-vibration environments, while the 0.25" travel per turn delivers precise linear motion control. Engineered for demanding applications requiring reliable left-hand thread operation, this component maintains structural integrity under 7850 lbs dynamic thrust loads, offering long-term reliability in manufacturing, automation, and heavy equipment sectors.

Specification Summary & Compliance

This 1 1/4"-4 Acme thread nut features Class 2C thread fit per industry standards, ensuring precise dimensional accuracy and optimal performance. Manufactured from 932 Bearing Bronze with Brinell 65 hardness, the component delivers consistent 0.25" travel per turn with 7850 lbs dynamic thrust load capacity. The left-hand Acme threading provides specialized directional control, while the round nut design offers versatile mounting options. Compliant with inch system measurement standards and engineered to meet industrial performance requirements for precision motion control applications.