Conical Plug For M8 Screws, Ød4.7 to ØD8.7, 25mm Long, Silicone (Tea), Pack of 1000, HBAS87-2-B
SGD $486.00
Conical plugs can be used for a range of hole diameters. Choose one with the right top and bottom diameters to fit the hole size. Simply leave enough length clearance for easy installation and removal.