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Tapered Drills, Countersinks and Stop Collars

Tapered Bit Set, 12 Piece
$78.79
Tapered Bit Set, 16 Piece
$93.49
Taper Bit, 1/8", Fits #5 Screw
$6.99
Taper Bit, 9/64", Fits #6 Screw
$7.79
Taper Bit, 5/32", Fits #7 Screw
$7.79
Taper Bit, 11/64", Fits #8 Screw
$7.99
Taper Bit, 3/16", Fits #9 Screw
$9.29
Taper Bit, 13/64", Fits #10 Screw
$9.29
Taper Bit, 7/32", Fits #12 Screw
$9.29
Countersink, 3/8", Fits #5 Screw Bit
$10.49
Countersink, 3/8", Fits #6 Screw Bit
$10.49
Countersink, 3/8", Fits #7 Screw Bit
$10.49
Countersink, 3/8", Fits #8 Screw Bit
$10.49
Countersink, 3/8", Fits #9 Screw Bit
$10.49
Countersink, 1/2", Fits #10 Screw Bit
$10.49
Countersink, 1/2", Fits #12 Screw Bit
$10.49
Stop Collar, 3/8", Fits #5-9 Screw Bits
$4.69
Stop Collar, 1/2", Fits #10-12 Screw Bits
$5.29
The combination of a quality high speed tapered drill with a countersink and stop collar, in conjunction with the correct plug cutter, is by far the best way to prepare fine work for wood screws. Tapered drills afford greater gripping power for screws than standard twist drills because they match the tapers of their corresponding screw sizes, allowing the screw to grip along its entire length.
  • Our matching countersinks are made of high carbon steel and have four flutes for clean, accurate boring with minimum tearout.
  • They are adjustable along the length of the drill and can be tightened with two set screws.
  • The stop collars are also adjustable for varying counterbore depths and can be set just behind the countersink cutters when a counterbore is not necessary.
16 Piece Set. Includes 7 tapered drills from 1/8" to 7/32" by 64ths, corresponding countersinks, two stop collars and Allen wrench in a handy wood holder. 12 Piece Set. Designed for cabinetmakers, this set has drills and countersinks for #5, #6, #7, #8 and #9 screws. Includes a 3/8" plug cutter, stop collar and Allen wrench, all in a foam lined plastic case.