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.
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Drill Bit SetsOver 60 twist drill sets, and over 2,000 individual twist drills! Fractional, letter and wire sizes are available. |
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Drill Point Drills - Straight ShankStraight shank drills available in fractional, letter, metric and wire sizes. |
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Drill Point Drills - Reduced ShankChoose from general purpose, heavy duty, cobalt and silver and demming reduced shank drills. |
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Drill Point Drills - Hex ShankRecommended 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. |
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Plexi Point DrillsSpecial geometry designed to drill holes in acrylic. Available in both inch and metric sizes from 1/16" to 1/2". |
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Taper Point DrillsJobber and taper lengths available in sizes 5/64 - 3/8". |
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Brad Point DrillsStraight 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". |
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CounterboresPrimarily 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". |
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CountersinksPrimarily 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". |
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Center Drills for Countersink - CounterboreCenter drills designed to work equally well in counterbores, countersinks and other boring bits requiring a center drill. Choose from bradpoint, drillpoint or fishtail point. |
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Double Ended DrillsRecommended use in thin sheet metal, popular for pop-rivet drilling applications. Available in packages of 12. |
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3 Wing DrillsThese carbide tipped 3 wing drills with quick change are available from 3/4 - 1 7/8" in diameter. |
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Spade BitsSpade bits equipped with end spurs to reduce splintering and produce a clean hole. Avaliable in sizes 5/16 to 1-1/2" |
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Glass and Tile DrillsReduced shank, carbide-tipped point drills recommended for use with glass, tile, mirror, and ceramic. Available from 1/8 - 1/2" sizes. |
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Masonry DrillsRegular helix, high helix and extra length masonry twist drills. 118 degree point, carbide-tipped and black oxide finish. |
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Auger BitsAuger bits in a variety of styles and sizes from 1/4 - 1 1/2" diameter and 7 1/2 - 29" long. |
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Plug CuttersUse 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. |
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Self Centering Drill GuidesSelf centering drill guides, or Vix Bits, designed to drill perfectly centered holes in cabinet hardware. |
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Alignment ReamersHigh Speed Steel with a 1/2" shank, and 3 flatted shank available with a black and bronze oxide coating. |
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Triumph Twist Drill
12" Aircraft Extension Drill, Size 7/16 Heavy Duty, Black Oxide, Triumph 058428Triumph 058428 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…
MSRP: $37.13$22.06 -
Triumph Twist Drill
12" Aircraft Extension Drill, Size 3/8, Heavy Duty, Black Oxide, Triumph 058424Triumph 058424 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…
MSRP: $29.60$17.59 -
Triumph Twist Drill
12" Aircraft Extension Drill, Size 5/16, Heavy Duty, Black Oxide, Triumph 058420Triumph 058420 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…
MSRP: $24.17$14.36 -
Triumph Twist Drill
12" Aircraft Extension Drill, Size 1/4, Heavy Duty, Black Oxide, Triumph 058416Triumph 058416 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…
MSRP: $18.02$10.70 -
Triumph Twist Drill
12" Aircraft Extension Drill, Size 3/16, Heavy Duty, Black Oxide, Triumph 058412Triumph 058412 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…
MSRP: $16.13$9.58 -
Triumph Twist Drill
12" Aircraft Extension Drill, Size 1/8, Heavy Duty, Black Oxide, Triumph 058408Triumph 058408 - Twist Drill, 12" Aircraft Extension, Heavy Duty, 135deg Split Point, HSS, Black Oxi…
MSRP: $13.08$7.77 -
Triumph Twist Drill
4pc Masonry Drill Set, Size 1/4-1/2x4", Triumph 038917Triumph 038917 - 4 Pc Masonry Twist Drill Set, Includes 1/4in, 5/16in, 3/8in, 1/2in - by 4in OAL. Re…
$18.91 -
Triumph Twist Drill
Masonry Drill, Size 1"x18" Regular Helix, Reduced Shank, Triumph 038864Triumph 038864 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 1inx18in, 1/2in Shank, 118…
$42.50 -
Triumph Twist Drill
Masonry Drill, Size 3/4"x18", Regular Helix, Reduced Shank, Triumph 038821Triumph 038821 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 3/4inx18in, 1/2in Shank, 1…
$28.95 -
Triumph Twist Drill
Masonry Drill, Size 1/2"x18", Regular Helix, Reduced Shank, Triumph 038819Triumph 038819 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 1/2inx18in, 1/4in Shank, 1…
$19.75 -
Triumph Twist Drill
Masonry Drill, Size 3/8"x18", Regular Helix, Reduced Shank, Triumph 038818Triumph 038818 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 3/8inx18in, 3/8in Shank, 1…
$18.56 -
Triumph Twist Drill
Masonry Drill, Size 1/4"x18", Regular Helix, Reduced Shank, Triumph 038816Triumph 038816 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 1/4inx18in, 1/4in Shank, 1…
$13.10 -
Triumph Twist Drill
Masonry Drill, Size 1"x13", Regular Helix, Reduced Shank, Triumph 038764Triumph 038764 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 1inx13in, 1/2in Shank, 118…
$38.82 -
Triumph Twist Drill
Masonry Drill, Size 7/8"x13", Regular Helix, Reduced Shank, Triumph 038723Triumph 038723 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 7/8inx13in, 1/2in Shank, 1…
$34.53 -
Triumph Twist Drill
Masonry Drill, Size 3/4"x13", Regular Helix, Reduced Shank, Triumph 038722Triumph 038722 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 3/4inx13in, 1/2in Shank, 1…
$26.76 -
Triumph Twist Drill
Masonry Drill, Size 5/8"x13", Regular Helix, Reduced Shank, Triumph 038721Triumph 038721 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 5/8inx13in, 1/2in Shank, 1…
$21.23 -
Triumph Twist Drill
Masonry Drill, Size 1/2"x13", Regular Helix, Reduced Shank, Triumph 038720Triumph 038720 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 1/2inx13in, 1/4in Shank, 1…
$15.16 -
Triumph Twist Drill
Masonry Drill, Size 3/8"x13", Regular Helix, Reduced Shank, Triumph 038718Triumph 038718 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 3/8inx13in, 1/4in Shank, 1…
$13.57 -
Triumph Twist Drill
Masonry Drill, Size 5/16"x13", Regular Helix, Reduced Shank, Triumph 038717Triumph 038717 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 5/16inx13in, 1/4in Shank, …
$11.28 -
Triumph Twist Drill
Masonry Drill, Size 1/4"x13", Regular Helix, Reduced Shank, Triumph 038716Triumph 038716 - Masonry Twist Drill - Regular Helix, Reduced Shank, Size 1/4inx13in, 1/4in Shank, 1…
$10.21






