COUNTERSINK PILOT BITS Countersink bits allow you to simultaneously pre-drill screw holes in wood and countersink the holes for recessed screw heads. These bits belong in every toolbox, but are often unduly overlooked by DIY’ers—and the result is split wood when driving the screws. Countersink bits are available in several sizes to match standard screw sizes. Some versions have
an adjustable twist bit fitted into the countersink body. To match the bit length to the screw length, just loosen the hex nut on the countersink collar, slide the bit in or out, and then retighten.
FORSTNER BITS Named after their inventor, Benjamin Forstner, Forstner bits are the best choice for drilling pre- cise, flat-bottomed holes in wood. Forstner bits have a center spur as a guide and radial cutting edges that shear wood fibers at the edge and bottom of the hole, creating a smooth bore with an
The 4-piece countersink set from Milescraft includes bits for drilling pilot holes for screw sizes #6, #8, #10 and #12. Photo© Milescraft.
Forstner bits vary in design; some bits have two radial cut- ting edges, other bits have more. The Forstner bits from TG Tools have nine cutting edges, which permit cutting curved paths, channels, rout- ing and milling in wood and plastics.
WORK STATIONS AND TOOL STORAGE SOLUTIONS
FOR PROFESSIONAL, HOME HANDYMAN, AND HOBBY USE, FRONTIER IS SIMPLY AWESOME. — customer review