40 Series Ball Spring T-Nuts

Price range: $0.87 through $22.28 Inc. GST

This structural fastening hardware is a nickel-plated carbon steel roll-in T-nut featuring an integrated spring-loaded ball bearing retention mechanism and an elongated body thickness designed to maximise thread engagement. The component functions as a self-aligning friction interface within internal profile channels, resisting gravity-induced sliding to facilitate the pre-positioning and anchoring of adjacent cross-members without requiring framework disassembly. Available in standard M4, M5, M6, and M8 metric thread variations, the nut distributes localized clamping stress evenly across external profile slots, making it suitable for securing linear rails, actuator brackets, custom tool gantry plates, and modular workspace fixtures within 40 Series T-Slot aluminium profile systems utilised in precision CNC machines, industrial 3D printers, and automated robotic sub-assemblies.


Compatible With

LCN: D-06-V / OF-01-S SKU: HARD-40S-TNUT-SPRING Categories: , Tags: , , , , , , , , , , , ,

Description

Technical Overview

Manufacturers produce this structural fastening component to facilitate stable hardware positioning within standard modular framing tracks. To establish high tensile strength, engineers fabricate the part from nickel-plated carbon steel. Consequently, this materials architecture prevents thread stripping and delivers dimensional stability under persistent directional loading. Furthermore, the nut geometry incorporates an integrated spring-loaded ball bearing mechanism. This specialized ball spring assembly functions actively as a high-friction retention interface within profile tracks. As a direct result of this mechanism, the hardware resists gravity-induced sliding during vertical frame assembly, allowing users to pre-position fasteners cleanly prior to final torque application.

Additionally, the base layout features a profile configured specifically to slide directly into internal profile channels. For instance, the extra material thickness across the chassis body maximises thread-to-screw engagement area. By doing so, it successfully distributes localized mechanical clamping stress over a wide contact zone. Moreover, the complete design accommodates multiple internal metric thread sizes including M4, M5, M6, and M8 options. Therefore, these varying thread lines anchor standard machine bolts firmly against internal profile shoulders. This direct integration securely locks adjacent cross-members into place without requiring users to disassemble pre-existing framework structures.

Applications

Designers specify this modular fastening component primarily for structural framework tracking utilizing standard 40 Series T-Slot linear profile systems. To build these precise robotic and automated setups, technicians apply the hardware to anchor linear rails, actuator brackets, and structural tie-plates. Specifically, they install the nuts into precision CNC machines, industrial 3D printers, and automated robotic arms to maintain tracking alignment under mechanical load. Furthermore, the assembly provides highly predictable mechanical load distribution across high-vibration equipment frames. It also secures heavy testing instrumentation towers and sensitive measuring equipment enclosures that undergo frequent mechanical adjustment.

Simultaneously, the completed hardware tracking layout slides evenly along profile channels to enable uniform weight distribution across multi-axis joint configurations. Because the component inserts directly into the external profile slots, users can adjust or reposition structural mounting points dynamically. Therefore, this spatial flexibility allows you to adapt the machinery framework to suit changing geometric configurations over time. Ultimately, this functional versatility makes the part highly suitable for securing custom tool gantry plates, modular workspace fixtures, and material handling enclosures. It also reinforces high-vibration dynamic frames that are regularly subjected to cyclic industrial stresses.

Technical Specifications

Specification Value
Material Nickel-Plated Steel
Thread Size M4, M5, M6, M8
Length 23mm
Width 13.8mm
Height 8.8mm

Drawings

40 Series Ball Spring T-Nuts

A B C D E kg
23mm 13.8mm M4-M8 8.8mm 8mm 0.011

Maker Store Tips and Tricks

  • Ensure the ball spring mechanism seats completely against the rear ridge of the extrusion channel to hold the fastener stationary before torqueing.

  • Roll or slide the component directly into the end face of the profile track during sub-assembly to streamline structural positioning across linear frameworks.

  • Periodically inspect bolt clamping torque in dynamic machinery and vibration-prone settings to maintain high framework joint security over time.


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Additional information

Weight .011 kg
Dimensions 2.3 × 1.38 × .88 cm
Size

M4, M5, M6, M8

Quantity

1pc, 20pc, 50pc, 10pc