Countersink Drill Bits

Countersink Drill Bits are used for drilling wood and are also sometimes referred to as screw pilot bits. A specialty bit, Countersink Drill Bits can create three different types of holes: counterbore, countersink and pilot and are used for sinking fasteners that require a plug over top.

5pc Heavy Duty Industrial Grade NEIKO Countersink Drill Bit Tool Set

Features of this product:

  • High Quality M2 Material Construction
  • 5 Flutes and 82 Degree Point Angle
  • Size: 1/4″, 3/8″, 1/2″, 5/8″, 3/4″
  • 1/4″ Tri-Flat Shank For Easy Grip
  • Cut Quickly and Easily in Soft Metal, Wood, Rubber, Plastic and Other Machinable Materials

DEWALT 3 Piece #6, #8, and #10 Countersink Assortment

Features of this product:

  • Drill, countersink and counterbore in one step
  • Four-cutter countersink and tapered drill bit provide superior speed and ideal finish
  • Replacement tapered bits offered



22pc Countersink Drill Bit Sets w/ Case

Features of this product:

  • Made for screw sizes: #5, #6, #7, #8, #9, #10, and #12
  • This new set also comes with a custom flip top wooden case
  • The set comes with 7 countersink bits, hex bits, and storage box
  • (I think it is called 22pc because the bits come apart into 3 pcs and the case counts as a piece)



General Tools & Instruments 195-3/4 3/4-Inch Countersink Bit

Features of this product:

  • 3/4″ HS Countersink
  • Pattern Cutting Flutes That Assure Chatter Free Countersink On Steel, Brass, Aluminum & Wood
  • Made Of High Speed Steel With 5 Flutes
  • 82 Degree Point Angle With 1/4″ Round Shank



Mibro 5-Piece Titanium Coated Countersinks

Features of this product:

  • Titanium coated extends service life up to 6 times that of uncoated products
  • Cut quickly and easily in soft metal, wood, rubber and plastic
  • Ground form special alloy steel with hardened edges for longer service life



Bosch Clic-Change 7-Piece Phillips Bit and Countersinking Set

Features of this product:

  • Quick change bit system for fast, one-handed load and release
  • Change bits without re-chucking
  • Ideal for electrical, plumbing and HVAC contractors
  • Typical step drill bit applications include electrical knockouts, running conduit, drawbolt holes, faucet installations, auto body work, running freon lines, edge boring steel and hollow doors