High Speed Steel Countersink #5 Down Cut Chipbreaker Spirals and 2-1/4" overall length for

and 2-1/4" overall length for use with 1/2" collets

Includes openings of 1/4"

offering exceptional strength and durability in demanding tasks

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

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

High Speed Steel Countersink #5 Down Cut Chipbreaker Spirals and 2-1/4" overall length forWhitesides 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.