Counterbore Plug, (Ød2)7mm to (Ød1)8.3mm, Silicone (White), Pack of 10, HDCS83-P
SGD $15.90
Solid and durable, every plug fits a range of hole diameters. Use them for threaded holes or holes before dowel pin installation. The counterbore ensures that the area around the hole is protected too.