3-piece Countersink Set
6-Flute Countersinks Make Perfect Recesses for Flat Head Screws
High-speed steel, six-flute design makes smooth 82 degree countersinks for flush mounting flat head screws in wood, plastic, aluminum, brass and soft steel. 3-piece Countersink Set includes 3/16 inch, 1/4 inch and 3/8 inch diameters with 3/16 inch and 1/4 inch shanks. Simply adjust the depth of cut to match head diameter of screw.