High Speed Steel Countersink #5 Down Cut Chipbreaker Spirals Made from solid carbide

Made from solid carbide

straight bit with 7/8" cutting diameter

FLAT BOTTOM VEINING:  Ideal for creating flat-bottom grooves and channels for decorative veining

The two bearing guides allow for templates on either side of the piece to be utilized

and thin aluminum for versatile

High Speed Steel Countersink #5 Down Cut Chipbreaker Spirals Made from solid carbideWhitesides 82 Countersink Heads are designed to slip over the drill bit and affix with dual set screws into the flutes. Adjust the drilling length by sliding the head up or down the bit. Use to countersink holes in wood, plastic, or aluminum for flat head screws. Upgrade to the High Speed Steel series for longer life, especially in fiberglass or other abrasive materials. Matching drill bits are offered for your convenience.