M4 Knurled Nut (Heat-set Insert Version)
Print Profile(1)

Description
📖 Introduction | Introduction
This is a knurled nut. In DIY projects, photography equipment, 3D printer maintenance, or various fixtures, we often need to frequently disassemble and assemble screws. A knurled nut is the best accessory to enhance the operating experience.
Compared to all-plastic threads, this model provides extremely high thread strength and durability by embedding a metal heat-set insert, preventing stripping even with frequent tightening.

🛠️ Installation Method | Installation
- Preparation: Prepare M4 heat-set inserts and a soldering iron.
- Heating: Adjust the soldering iron to a temperature suitable for the filament (e.g., PLA approx. 210-230°C).
- Pressing in: Place the heat-set insert into the center hole of the model and gently press it in with the soldering iron until it is flush with the plastic surface.
- Cooling: After the plastic has completely cooled and hardened, the M4 bolt can be inserted and used.
🖨️ Print Suggestions | Print Settings
- Walls (Wall Loops): 3-4 walls are recommended to ensure sufficient plastic support for the heat-set insert.
- Infill: 40% or more is recommended.
- Material: PETG (better temperature resistance, suitable for use with heat-set inserts) or PLA+ (hard feel).
- Layer Height: 0.16mm or 0.2mm is acceptable.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.


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