S-7549K43 M40 x 3" DIN 103 Metric Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability: Crafted from 932 Bearing Bronze with a Brinell 70 hardness, this nut resists wear and deformation under heavy loads, extending service life in demanding industrial environments.
• Precise Linear Motion: With a 7mm travel distance per turn and a single start thread, it ensures smooth, accurate positioning for applications requiring consistent and repeatable movement.
• High Load Capacity: Supports a dynamic thrust load of 12,300 lbs, providing reliable performance in high-force applications without compromising structural integrity.
• Superior Thread Fit: The 7H thread fit and right-hand metric trapezoidal thread offer excellent engagement with lead screws, minimizing backlash and ensuring stable operation.
• Standard Compliance: Manufactured to DIN 103 standards, guaranteeing interchangeability, dimensional accuracy, and compatibility with metric trapezoidal screw systems.
• Optimized Design: The round nut type facilitates easy installation and maintenance, while the M40x7mm size ensures a robust connection for various machinery setups.
• Efficient Power Transmission: With a 1:1 speed ratio, it delivers direct and efficient motion transfer, ideal for precision-driven industrial equipment.

Professional Applications & Engineering Value

This M40x7mm metric trapezoidal nut is engineered to address common challenges in industrial automation and machinery, such as wear from continuous operation and the need for precise linear control. Made from 932 Bearing Bronze, it offers inherent lubricity and corrosion resistance, reducing maintenance frequency and downtime in applications like CNC machines, lifting systems, and precision actuators. The metric trapezoidal thread type and 7H thread fit ensure minimal play and high positional accuracy, critical for repetitive tasks. By providing a dynamic thrust load capacity of 12,300 lbs and compliance with DIN 103, it delivers reliable performance in high-stress environments, enhancing overall system efficiency and longevity for B2B clients in manufacturing and engineering sectors.

Specification Summary & Compliance

This nut adheres to DIN 103 standards for metric trapezoidal threads, ensuring precise dimensional tolerances and thread profiles. Key specifications include a thread size of M40 with a 7mm pitch, right-hand thread direction, and 7H thread fit for accurate engagement. The 932 Bearing Bronze material meets industry requirements for strength and durability, with a Brinell 70 hardness. It is designed for compatibility with metric lead screw systems and conforms to relevant industrial norms for performance and safety, though specific RoHS or REACH declarations should be verified per batch.