These M3 & M4 heat press insert tips are a fantastic option for 3D printing with thermoplastics.
When the tip is heated and placed in the threaded brass inserts, the surrounding plastic softens and forms around it, creating a strong, secure bond.
This keeps the insert firmly in place and strengthens the surrounding material, making the threaded connection more durable and resistant to pull-out compared to other insert types.
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Shaft outside diameter: 6.5mmShaft inside hole diameter: 4.75mmShaft inside hole depth: 25mmShaft length to screw base: 28mm
M3 tip length: 16.5mmM4 tip length: 17.5mm
Assembled length w/M3 tip: 44.5mmAssembled length w/M4 tip: 45.5mm
