S-1343K128 3/4"-6 x 1 1/2" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Load Handling - Supports dynamic thrust loads up to 2900 lbs, ideal for high-stress industrial machinery and automation systems.
• Superior Wear Resistance - Made from 932 Bearing Bronze with Brinell 65 hardness, ensuring long service life and reduced maintenance in demanding environments.
• Precision Movement Control - Delivers 0.167" travel per turn with a 1:1 speed ratio, providing accurate linear motion for repetitive applications.
• Reliable Thread Engagement - Class 2C thread fit offers consistent, smooth operation with minimal backlash, enhancing positioning accuracy.
• Optimized for ACME Systems - Features a 3/4"-6 ACME right-hand thread, compatible with standard lead screws for seamless integration.
• Robust Construction - Round nut design with 1 1/2" length and 2.234" diameter ensures stable mounting and resistance to operational stresses.
• Reduced Friction & Corrosion - Bronze material naturally resists galling and corrosion, extending component lifespan in harsh conditions.

Professional Applications & Engineering Value

Engineered for precision motion systems, this 932 Bearing Bronze ACME nut addresses common industrial challenges like wear, misalignment, and load fatigue. Its Class 2C thread fit and right-hand ACME threads ensure reliable performance in CNC machinery, linear actuators, and heavy-duty presses, where consistent travel (0.167" per turn) and 2900 lbs dynamic thrust capacity are critical. The Brinell 65 hardness and bronze composition reduce friction and prevent seizing, minimizing downtime in automation, packaging, and material handling equipment. By combining durability with precise inch-based measurements, this nut delivers long-term value in applications requiring smooth, repeatable linear motion under high loads.

Specification Summary & Compliance

This round ACME nut adheres to Class 2C thread fit standards for consistent engagement and low backlash. Dimensions include a 2.234" diameter, 1 1/2" length, and 3/4"-6 ACME thread size with right-hand direction. Manufactured to industry specifications for precision lead screw components, it complies with RoHS and REACH directives, ensuring environmental safety and material integrity. The inch system measurements and dynamic load ratings align with common engineering requirements for industrial machinery.