Irwin 12413 12413 - DRL BIT 3/4 CNTRSINK 82' BLK OX CARD

12413. High Speed Steel Countersink - 3/4" Diameter. 124 Series. Tip is milled and precision-ground to 82-degrees for countersinking into most machinable materials. Engineered with premium high speed steel with black oxide coating for corrosion resistance. Features five flutes for reduced vibration. 1/4” round shank. Fractional, carded. Diameter: 3/4". Decimal Equiv.: .7500. Flute Length: 1/2". Overall Length: 1-13/16".