These concealed fittings are great for joining countertop sections together. Fits in a 35mm (1-3/8") flat bottomed hole drilled 3/4" deep. Use a router with a 1/2" straight bit to connect holes. Hole spacing on the small connector is 2-1/2" to 3-1/4". Spacing on the large connector is 6" to 6-3/4".
Carbide Tipped Bit. For installation of joint connectors.