3 in 1 Combination – Our units combine Drill Bit / Countersink / Counterbore in one tool, with which you can get perfect hole for #4 #6 #8 #10 #12 #14 or #16 screws in one step. 82 Degrees Countersink 10mm Counterbore Bits - You can either have the head of the screw fit flush with the surface, or below the surface then conceal it with matching wood plugs; ideal tool for dowel buttons or plugs.
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