S-7549K78 M20 x 500 mm DIN 103 Metric Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• High-precision movement with ±0.15mm accuracy per 300mm travel ensures reliable positioning and repeatability in automated systems.
• Durable 1018 Carbon Steel construction provides excellent strength and wear resistance for long service life in demanding industrial environments.
• Optimized 4mm travel per turn offers a balanced combination of speed and precision for efficient motion control.
• High tensile strength of 85,000 psi and Brinell 150 hardness ensure the screw can withstand significant operational loads without deformation.
• 8e thread fit and right-hand thread design guarantee smooth, low-friction operation and easy integration with standard nut components.
• Compliance with DIN 103 standard ensures dimensional consistency, interchangeability, and reliable performance in metric-based designs.
• Fully threaded 500mm length provides design flexibility for a wide range of linear motion applications and travel requirements.

Professional Applications & Engineering Value

This M20x4mm metric trapezoidal lead screw is engineered to solve critical challenges in precision motion control systems. The 1018 Carbon Steel material, combined with the trapezoidal thread profile, provides an optimal balance of strength, durability, and efficient power transmission. It is ideally suited for applications such as CNC machinery, automated positioning tables, and 3D printers, where consistent ±0.15mm accuracy is paramount to prevent operational errors and maintain product quality. The fully threaded and right-hand thread design ensures reliable engagement with mating nuts, reducing backlash and ensuring smooth linear actuation under load. This makes it a dependable component for engineers seeking to enhance the performance and longevity of their industrial automation equipment.

Specification Summary & Compliance

This lead screw features an M20 thread size with a 4mm pitch and a 8e thread fit for precise engagement. The manufacturing and dimensional specifications strictly conform to the DIN 103 standard for metric trapezoidal threads, ensuring high dimensional accuracy and interchangeability. The component is fully threaded with a right-hand thread direction and a single start design. It is supplied with a 500mm length and is compliant with common industrial regulations, including RoHS and REACH, for use in various international markets.