Drill Bits

If you drill wood, plastic, metal, or concrete we've got the drills and the drill bit sizes you need to get the job done. Along with thousands of twist drills and metal drill bits, choose from a wide selection of counterbores, countersinks, augers and more. If you're unsure what type or size drill bit you need for your application, see our Types of Drill Bits page or call us at 800-346-8274. For a quick guide on recommended speed rates check out our Drill Bit Speed Rate Chart.

Be sure to also visit our Drill Bits for Boring Machines for an entire range of counterbore, countersink and specialty boring bits.

Looking for Insert bits and Power bits for your Drill Driver or Impact Driver? Click here to shop for Insert bits and power bits for your drill.


		Drill Bit Sets Over 60 twist drill sets, and over 2,000 individual twist drills! Fractional, letter and wire sizes are available.

		Drill Point Drills - Straight Shank Straight shank drills available in fractional, letter, metric and wire sizes.

		Drill Point Drills - Reduced Shank Choose from general purpose, heavy duty, cobalt and silver and demming reduced shank drills.

		Drill Point Drills - Hex Shank Recommended for use with hard wood, soft wood, plywood particle board, plastic metal. 118 degree self-centering split point and a 1/4" hex shank for hex or adjustable power tool chucks.

		Plexi Point Drills Special geometry designed to drill holes in acrylic. Available in both inch and metric sizes from 1/16" to 1/2".

		Taper Point Drills Jobber and taper lengths available in sizes 5/64 - 3/8".

		Brad Point Drills Straight shank brad point drills with shanks the same diameter as the cutting edge. We offer diameters from 1/8 - 1/2" and lengths from 2 3/4 - 12".

		Counterbores Primarily used on portable drills and clamp to the center drill with a set screw. Available in 3/8 to 2-1/2" for center drills sized 3/16 to 1/2".

		Countersinks Primarily used on portable drills and clamp to the center drill with a set screw. Available in 3/8 to 3/4" for center drills sized 1/8 to 3/8".

		Center Drills for Countersink - Counterbore Center drills designed to work equally well in counterbores, countersinks and other boring bits requiring a center drill. Choose from bradpoint, drillpoint or fishtail point.

		Double Ended Drills Recommended use in thin sheet metal, popular for pop-rivet drilling applications. Available in packages of 12.

		3 Wing Drills These carbide tipped 3 wing drills with quick change are available from 3/4 - 1 7/8" in diameter.

		Spade Bits Spade bits equipped with end spurs to reduce splintering and produce a clean hole. Avaliable in sizes 5/16 to 1-1/2"

		Glass and Tile Drills Reduced shank, carbide-tipped point drills recommended for use with glass, tile, mirror, and ceramic. Available from 1/8 - 1/2" sizes.

		Masonry Drills Regular helix, high helix and extra length masonry twist drills. 118 degree point, carbide-tipped and black oxide finish.

		Auger Bits Auger bits in a variety of styles and sizes from 1/4 - 1 1/2" diameter and 7 1/2 - 29" long.

		Plug Cutters Use a plug cutter to hide screws in wood by counterboring then covering the screw with a wood plug. The wood plug can then be sanded flush and finished to match.

		Self Centering Drill Guides Self centering drill guides, or Vix Bits, designed to drill perfectly centered holes in cabinet hardware.

		Alignment Reamers High Speed Steel with a 1/2" shank, and 3 flatted shank available with a black and bronze oxide coating.

Triumph Twist Drill
12" Aircraft Extension Drill, Size 15/64, Heavy Duty, Black Oxide, 6pk, Triumph 058515
Triumph 058515 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $115.56

Was:

Now: $68.66
Triumph Twist Drill
12" Aircraft Extension Drill, Size 7/32, Heavy Duty, Black Oxide, 6pk, Triumph 058514
Triumph 058514 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $103.62

Was:

Now: $61.59
Triumph Twist Drill
12" Aircraft Extension Drill, Size 13/64, Heavy Duty, Black Oxide, 6pk, Triumph 058513
Triumph 058513 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $102.96

Was:

Now: $61.17
Triumph Twist Drill
12" Aircraft Extension Drill, Size 3/16, Heavy Duty, Black Oxide, 6pk, Triumph 058512
Triumph 058512 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $97.20

Was:

Now: $57.76
Triumph Twist Drill
12" Aircraft Extension Drill, Size 11/64, Heavy Duty, Black Oxide, 6pk, Triumph 058511
Triumph 058511 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $95.16

Was:

Now: $56.53
Triumph Twist Drill
12" Aircraft Extension Drill, Size 5/32, Heavy Duty, Black Oxide, 6pk, Triumph 058510
Triumph 058510 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $97.20

Was:

Now: $57.76
Triumph Twist Drill
12" Aircraft Extension Drill, Size 9/64, Heavy Duty, Black Oxide, 6pk, Triumph 058509
Triumph 058509 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $86.40

Was:

Now: $51.32
Triumph Twist Drill
12" Aircraft Extension Drill, Size 1/8, Heavy Duty, Black Oxide, 6pk, Triumph 058508
Triumph 058508 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $77.28

Was:

Now: $45.94
Triumph Twist Drill
12" Aircraft Extension Drill, Size 7/64, Heavy Duty, Black Oxide, 6pk, Triumph 058507
Triumph 058507 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $90.24

Was:

Now: $53.61
Triumph Twist Drill
12" Aircraft Extension Drill, Size 3/32, Heavy Duty, Black Oxide, 6pk, Triumph 058506
Triumph 058506 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $77.64

Was:

Now: $46.12
Triumph Twist Drill
12" Aircraft Extension Drill, Size 5/64, Heavy Duty, Black Oxide, 6pk, Triumph 058505
Triumph 058505 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $82.32

Was:

Now: $48.93
Triumph Twist Drill
12" Aircraft Extension Drill, Size 1/16, Heavy Duty, Black Oxide, 6pk, Triumph 058504
Triumph 058504 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $76.02

Was:

Now: $45.19
Triumph Twist Drill
6" Aircraft Extension Drill, Size 1/2, Heavy Duty, Black Oxide, Triumph 057732
Triumph 057732 - Twist Drill, 6" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxid…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $40.58

Was:

Now: $24.12
Triumph Twist Drill
6" Aircraft Extension Drill, Size 7/16, Heavy Duty, Black Oxide, Triumph 057728
Triumph 057728 - Twist Drill, 6" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxid…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $36.12

Was:

Now: $21.47
Triumph Twist Drill
6" Aircraft Extension Drill, Size 3/8 Heavy Duty, Black Oxide, Triumph 057724
Triumph 057724 - Twist Drill, 6" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxid…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $28.09

Was:

Now: $16.69
Triumph Twist Drill
6" Aircraft Extension Drill, Size 5/16 Heavy Duty, Black Oxide, Triumph 057720
Triumph 057720 - Twist Drill, 6" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxid…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $22.01

Was:

Now: $13.07
Triumph Twist Drill
6" Aircraft Extension Drill, Size 1/4 Heavy Duty, Black Oxide, Triumph 057716
Triumph 057716 - Twist Drill, 6" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxid…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $9.18

Was:

Now: $5.45
Triumph Twist Drill
6" Aircraft Extension Drill, Size 3/16 Heavy Duty, Black Oxide, Triumph 057712
Triumph 057712 - Twist Drill, 6" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxid…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $7.25

Was:

Now: $4.31
Triumph Twist Drill
6" Aircraft Extension Drill, Size 1/8 Heavy Duty, Black Oxide, Triumph 057708
Triumph 057708 - Twist Drill, 6" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxid…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $5.30

Was:

Now: $3.15
Triumph Twist Drill
12" Aircraft Extension Drill, Size 1/2, Heavy Duty, Black Oxide, Triumph 058432
Triumph 058432 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…

MSRP:

Was:

Now: (Inc. Tax)

MSRP: $44.11

Was:

Now: $26.21

Drill Bits

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