Drill, countersink and counterbore in one step. Four-cutter countersink and tapered drill bits provide superior speed and ideal finish. Replacement tapered bits offered. Category: Power Tools|Drilling & Fastening Tools|Drills|Drill Parts...

High speed steel countersinks are milled and precision ground. For countersinking into most machinable materials including iron, steel, soft metals, plastic or wood. Category: Power Tools|Drilling & Fastening Tools|Drills|Drill Parts...

Great for deburring and chamfering openings to pre-drilled holes. Great for electrical, plumbing and HVAC contractors. Bosch countersinks cut varied materials cleanly and accurately. Trailing flute automatically deburrs holes. These...

The rose pattern cutting flutes assure chatter free countersinking on steel, brass, aluminum, plastic, wood and other materials. Made of high-speed steel with five flutes. 82° point angle. Stepped shank...