S-7549K92 M20 x 1 1/4" DIN 103 Metric Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• High load capacity - 3100 lbs dynamic thrust capacity ensures reliable performance in demanding motion control applications
• Exceptional strength and durability - 75,000 psi tensile strength with Brinell 126 hardness manganese bronze construction withstands heavy-duty use
• Precision thread engagement - 7H thread fit provides superior accuracy and minimal backlash for smooth operation
• Standardized quality assurance - DIN 103 certification guarantees consistent dimensional accuracy and manufacturing excellence
• Optimized motion transfer - 4mm pitch with single start design delivers precise linear movement per revolution
• Corrosion-resistant performance - Manganese bronze material offers excellent wear resistance in industrial environments
• Right-hand thread compatibility - Standard thread direction ensures easy integration with existing metric trapezoidal screw systems

Professional Applications & Engineering Value

This M20x4mm metric trapezoidal lead screw nut delivers exceptional engineering value in precision motion control systems where reliability and accuracy are paramount. The manganese bronze construction provides superior wear resistance and durability, significantly extending service life in high-cycle applications. With its 7H thread fit and DIN 103 compliance, this nut maintains precise engagement with mating screws, minimizing backlash and ensuring consistent positioning accuracy in CNC machinery, automated equipment, and precision positioning systems. The 4mm pitch trapezoidal thread design offers optimal force transmission efficiency, making it ideal for applications requiring smooth linear motion with substantial dynamic thrust capacity of 3100 lbs. This combination of material excellence and precision manufacturing solves critical challenges in industrial automation, including reduced maintenance frequency, improved positioning repeatability, and enhanced system reliability under continuous operation.

Specification Summary & Compliance

This precision metric trapezoidal lead screw nut features M20 thread size with 4mm pitch and 7H thread fit classification, ensuring tight tolerances and optimal performance. The component meets DIN 103 specifications for trapezoidal threads, guaranteeing dimensional accuracy and interchangeability. Manufactured from manganese bronze with Brinell 126 hardness, the nut delivers consistent mechanical properties and wear resistance. The external thread configuration measures 1"-18 UNS with right-hand thread direction, providing compatibility with standard mounting arrangements. Compliance with international standards ensures reliable performance in global industrial applications requiring precision motion control components.