SKU: 3DDF-1534
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350mm Trapezoidal Lead Screw, 8mm Thread with Copper Nut

₹279.00 (Inclusive of all taxes)
Out of Stock

This 350mm Trapezoidal Lead Screw features an 8mm thread diameter and 2mm pitch, providing precise linear motion for various mechanical systems. Equipped with a low-friction copper nut, it ensures smooth and reliable operation, making it ideal for 3D printers, CNC machines, and custom automation projects.

Features

  • Features a robust trapezoidal thread for efficient force transmission and resistance to back-driving.
  • Provides 350mm of linear travel with an 8mm thread diameter and precise 2mm pitch.
  • Includes a durable copper nut designed for low friction and exceptionally smooth motion.
  • Optimized for accuracy and reliability in 3D printers, CNC machines, and various automation systems.

Out of stock

Description

The 350mm Trapezoidal Lead Screw with an 8mm thread diameter and 2mm pitch is engineered to deliver precise and stable linear movement in a wide array of mechanical and digital fabrication systems. Its distinctive trapezoidal thread profile is crucial for efficient force transmission and offers inherent resistance to back-driving, ensuring that positions are held accurately even under varying loads. This design makes it a fundamental component for applications requiring reliable and controlled linear positioning.

Paired with a high-quality copper nut, this lead screw system significantly reduces friction, promoting exceptionally smooth and quiet operation throughout its 350mm length. This combination enhances the lifespan of the motion system and contributes directly to the overall accuracy and repeatability of the machinery. Its robust construction and adherence to standardized dimensions ensure seamless integration into existing setups or new industrial and DIY projects, serving as an ideal replacement or upgrade for critical linear motion axes.

Key Features

  • Trapezoidal Thread Profile: Engineered for high efficiency in force transmission and superior resistance to back-driving, maintaining precise positions.
  • Optimal Length: Measures 350mm, providing ample travel for a variety of moderate-length linear motion applications.
  • Standard Diameter: Features an 8mm thread diameter for robustness and broad compatibility with standard couplings and bearing blocks.
  • Precise Pitch: Equipped with a 2mm thread pitch, enabling fine and accurate linear movement for each rotation.
  • Durable Construction: Typically manufactured from high-grade stainless steel or similar durable alloy for extended longevity and consistent reliability.
  • Low-Friction Copper Nut: Includes a precision-machined copper nut to ensure minimal friction and extremely smooth, reliable linear travel.
  • Broad Application Compatibility: Versatile component suitable for 3D printers, CNC machinery, robotics, and other automation equipment.

Applications

  • 3D Printers (Z-Axis): Provides accurate and repeatable vertical positioning for print bed movement.
  • CNC Machines (Linear Axes): Enables precise control for milling, routing, and engraving operations.
  • Robotics & Automation: Used in linear actuators for pick-and-place, positioning, and assembly tasks.
  • Measuring & Inspection Equipment: Essential for accurate sensor or probe positioning in metrology.
  • DIY & Custom Projects: Ideal for custom linear stages, camera sliders, and other precision motion systems.

Technical Specifications

Item TypeLead Screw with Copper Nut
CompatibilityGeneral Purpose
MaterialSteel (Lead Screw), Copper (Nut)
Thread Diameter8mm
Thread Pitch2mm
Thread TypeTrapezoidal (single start)
Length350mm
Weight110g

Frequently Asked Questions

What is the advantage of a trapezoidal thread over a standard V-thread?

Trapezoidal threads offer higher load-carrying capacity and better resistance to back-driving compared to V-threads. Their flat flanks distribute force more evenly, making them ideal for applications requiring precise, stable linear motion, especially under axial loads found in 3D printers or CNC machines.

Is this lead screw compatible with standard 8mm stepper motors?

Yes, this 8mm lead screw is designed to be compatible with common 8mm bore flexible couplings, which can then connect to standard NEMA 17 or NEMA 23 stepper motors. Ensure your coupling matches the lead screw's diameter for optimal performance and secure attachment.

How does the copper nut improve performance?

The copper nut reduces friction significantly compared to other materials like brass, leading to smoother, quieter operation and less wear. This low friction helps maintain precision over long periods, minimizing backlash and improving the overall accuracy and lifespan of the linear motion system in demanding applications.

What maintenance is required for this lead screw and nut assembly?

Regular lubrication with a light machine oil or lithium grease is crucial to minimize wear, reduce friction, and prevent corrosion. Periodically inspect the screw and nut for debris accumulation, clean them thoroughly, and reapply lubricant to ensure consistent, optimal performance and longevity.

Package Includes

  • 1 x 350mm Trapezoidal Lead Screw with 8mm Thread, 2mm Pitch, and Copper Nut

Additional Information

Weight 0.125 kg
Dimensions 5 × 40 × 5 cm