P&N Tungsten Carbide Tip Countersink, 4.76mm Head, 2 Flute(s), 82°

The P&N quick bits drill countersinks TCT cut smart 2-in-1 decking bit has been designed for perfect controlled drilling and countersinking with the one tool has 3/16 inch size, 14.8 mm countersink size and 1/4 inch hex shank suits quick change adaptors a

14g screw gauge
Non marking, stop collar prevents tool from marking the work piece
TCT countersink for use in cement sheet, blue board, timber, plastic and abrasive materials
No jamming