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Hexagonal Thread Mount Precision Mini Ball Transfer Unit


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  • 64

  • RONWIN

  • HS Code: 8431390000

Hexagonal Thread Mount Precision Mini Ball Transfer Unit


6404, 6405, 6406, 6408, 6410, 6415, 6419

The Mini Ball Transer Unit from Longwei has the tiniest ball unit in its wide range of products. With guaranteed quality, mini units are used in a broad range of industries. Mini ball transfer units offer exact movement and positioning and can be fixed with a screw bolt either up or down. Using a CNC machine and a stainless steel ball, a solid stainless steel body is made.


hexagonal thread mount min ball transfer unit

Technical Specifications

屏幕截图 2025-11-28 153734


Model No. Loading Capacity (kg) Dimensions (mm)
Material Suggest Max. d H h1 h2 M L S
6404 SS/SS 2 3 4 12.1 1.1 5 M5 6 8
6405 SS/SS 3 4 4.76 15.2 1.2 6 M6 8 10
6406 SS/SS 4 5 5.56 18.5 1.5 7 M8 10 13
6408 SS/SS 6 7 8.73 24.5 2.5 10 M10 12 17
6410 SS/SS 8 10 10.32 29.5 3.5 11 M12 15 19
6415 SS/SS 12 18 15.87 40.3 5.3 15 M16 20 24
6419 SS/SS 15 20 19.05 49.3 6.3 18 M20 25 30


A Hex Thread Mount Mini Precision Ball Transfer Unit, also known as a ball caster or ball plunger, is a compact and precision component for gravity support and direction change. It utilizes a precision ball on top for multi-directional, low-friction rolling and sliding, and features a hex thread base for easy and secure installation into equipment. Its core characteristics are compact design, easy installation, flexible rotation, and stable load-bearing.


Main Product Features

  • Easy Installation, Secure Fixing: The hex thread design allows for simple installation and removal with just a wrench. The threaded connection provides strong anti-rotation capability and stable support.

  • Low Friction, High Flexibility: The precision ball and raceway allow the unit to rotate flexibly even under load, effectively reducing equipment wear and power consumption.

  • Compact Structure, Saves Space: The mini design makes it ideal for use in space-constrained equipment or precision devices.

  • High Load Capacity: Despite its small size, it can withstand relatively high loads for its dimensions, thanks to the robust housing and quality materials.

  • Wear-Resistant & Durable: Made from high-strength, high-wear-resistance materials for long service life, suitable for high-frequency operation.

  • Multiple Material Options: Various material combinations are available to suit different environments (e.g., general industry, food, corrosive, cleanrooms).


Typical Application Scenarios

This mini ball transfer unit is widely used in applications requiring precise positioning, effortless conveying, and direction change:

  • Precision Instruments & Testing Equipment: Used in PCB fixtures, optical tables, measuring instrument stages for smooth movement and precise positioning of samples.

  • Automation Equipment & Production Lines:

    • Direction Change Mechanisms: On assembly and conveyor lines to alter the path of workpieces.

    • Support & Slide Mechanisms: As feet for heavy cabinets, switchgear, machine tool tables to facilitate movement.

  • Molds & Jigs: Installed under large molds or jigs for fine adjustment and positioning.

  • Logistics & Conveying Systems: Used in sorters, ball transfer tables as a supplement to traditional rollers, enabling multi-directional free flow of items.

  • High-End Furniture & Display Equipment: Such as sliding doors, movable display cases, TV mounts, providing a smooth moving experience.

Key Selection Parameters

Consider the following parameters when selecting this product:

  • Thread Specification: e.g., M6x1, M8x1.25, M10x1.5, etc. (Thread Diameter x Pitch).

  • Hex Size (Across Flats): e.g., 8mm, 10mm, 13mm, etc., must match the wrench.

  • Ball Diameter: e.g., φ6mm, φ8mm, φ10mm, etc. A key parameter determining load capacity and flexibility.

  • Total Height: The overall height after installation, affecting equipment layout.

  • Static Load Capacity: The maximum safe stationary load a single unit can bear.

  • Ball & Housing Material: Selected based on load, environmental requirements (humidity, chemicals, cleanliness).

  • Mounting Method: Confirm if screwing into a tapped hole or passing through a clearance hole and securing with a nut.


The Hex Thread Mount Mini Precision Ball Transfer Unit is a functional component that combines a smart structure, convenient installation, and excellent performance. By converting sliding friction into rolling friction, it significantly improves the movement performance of equipment, making it an essential key component in precision machinery, automation equipment, and various labor-saving transmission solutions.


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Founded in 2004, Longwei is a specialized Chinese manufacturer dedicated to providing customized conveyor systems, modular conveyor units, various rollers, and components for logistics systems.

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