Use round- or oval-headed wood screws to screw rigid plastic and avoid sinking the heads by countersinking. A countersink, which is a hole deep enough for the head to sink to surface-level, weakens the plastic and may cause it to break.
Can you screw screws into plastic?
You can drive machine screws into plastic, but first you must cut threads into the material. For this you need a tap the size of the fastener and a tap wrench. Drill a pilot hole in the material. The length of the hole should be equal to that of the screw.8 Mar 1998
How do you get screws to stay in plastic?
https://www.youtube.com/watch?v=1xcpZIS3fgY
What screws are best for plastic?
Thread-forming screws, generally, function best in thermoplastic materials. Thread-forming screws produce no waste as the plastic that is displaced to create the thread flows back into the root of the thread resulting in a very secure fit. ecosyn®-plast is a great option for a thread-forming screw for plastic.10 Mar 2017
Can you put screws in plastic?
You can drive machine screws into plastic, but first you must cut threads into the material. For this you need a tap the size of the fastener and a tap wrench. Drill a pilot hole in the material. Once the threads are cut, you can drive the screw into the hole.8 Mar 1998