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Brass Heat Inserts (5pack)
Select size: M3, M4 or M5
Use these Heat Inserts to get a reliable thread in your 3D printed parts or other parts made of palstic.
Use a soldering Iron to melt them into your part.
Size
M3x6mm OD 4.2mm
M4x8mm OD 5.2mm
M5x8mm OD6.3mm