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Self Tapping Screws 4mm x 18mm (QTY: 100)

Self Tapping Screws 4mm x 18mm (QTY: 100)

Price: 4.95 (Excluding VAT at 20%)

Size4mm x 18mm
BrandPermaroof UK

Self tapping screws supplied in boxes of 100 screws.

Self-tapping is the ability of a screw to advance when turned, while creating its own thread. This ability is sometimes created by a gap in the continuity of the thread on the screw. These edges cut a thread as the screw is driven in to the material. The cutting edge drills away the material, leaving a hole for the screw to go into.

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