As the name suggests this type of screw forms its own thread as it is installed into a pre drilled hole.
Self tapping screws for plastic uk.
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Polyfix screws are specially designed for use with plastic housings.
Plastics are more ridged than wood and thus are more prone to cracking.
While regular self tapping screws are suitable for use with most plastics plastite screws feature more pronounced sharper threads which increase resistance to pull out and stripping within low density plastics.
Trilobular stainless steel self tapping screws are ideal in situations where vibration is present as their thread design reduces friction during thread forming whilst providing resistance to vibrational loosening.
Self tapping screws for plastic.
Certain types of self tapping screw have been specially designed for use with plastics.
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These fasteners are part of accu s extensive range of precision screws these polyfix screws feature a specialised thread which is designed to be self tapping and create its own threads when used in pre drilled plastic holes.
How to use self tapping screws with plastic.
Choose from our selection of self tapping screws including over 4 200 products in a wide range of styles and sizes.
Tapping screws work best for thin sheet metal because the screw design which is coarse and pitched at an angle has the effect of pulling the metal tightly to the head.
This variant has a hexagon head so is designed to be driven in with a standard spanner or ratchet and socket.