Flangeless Plug for M10 Screw Holes, Ød8mm to ØD10mm, 25.4mm Long, Silicone (Tea), Pack of 500, HBFS100-B
SGD $468.00
Every flangeless plug is conical and hollow for a flexible fit. Furthermore, they have a knob for easy installation and removal. The threaded profile prevents excess paint from adhering to screw holes.