Skip to content
Shop Your Local Store Ship to Your Hometown Store
Pro & Contractor Accounts Apply for Net Terms
100,000+ Products Trusted Authentic Brands
Shop the Collection
Cobalt Bits

Shop 73 cobalt bits at National Hardware Group — from trusted brands like Artu, Dewalt, Irwin and more. Every item is an authorized, warranty-backed purchase, with prices starting around $5.59. Ships nationwide, free over $75 on most items, or find it at your local store.

Trusted brands only Ships nationwide Pro accounts welcome Support your local hardware store
73 products
ARTU 5/32 in. X 3-1/8 in. L Tungsten Carbide Tipped Drill Bit Quick-Change Hex Shank

Artu

ARTU 5/32 in. X 3-1/8 in. L Tungsten Carbide Tipped Drill Bit Quick-Change Hex Shank

MPN: 01458

$8.99
ARTU 3/8 in. X 5-1/4 in. L Tungsten Carbide Tipped Drill Bit Quick-Change Hex Shank

Artu

ARTU 3/8 in. X 5-1/4 in. L Tungsten Carbide Tipped Drill Bit Quick-Change Hex Shank

MPN: 01472

$12.99
ARTU 1/8 in. X 2-7/8 in. L Tungsten Carbide Tipped Drill Bit Quick-Change Hex Shank

Artu

ARTU 1/8 in. X 2-7/8 in. L Tungsten Carbide Tipped Drill Bit Quick-Change Hex Shank

MPN: 01456

$8.59
ARTU 5/16 in. X 4-1/2 in. L Tungsten Carbide Tipped Drill Bit Quick-Change Hex Shank

Artu

ARTU 5/16 in. X 4-1/2 in. L Tungsten Carbide Tipped Drill Bit Quick-Change Hex Shank

MPN: 01468

$10.99
ARTU 3/16 in. X 3-1/2 in. L Carbide Tipped Drill Bit Quick-Change Hex Shank

Artu

ARTU 3/16 in. X 3-1/2 in. L Carbide Tipped Drill Bit Quick-Change Hex Shank

MPN: 01460

$9.59
ARTU 1/4 in. X 4-1/8 in. L Carbide Tipped Drill Bit Quick-Change Hex Shank

Artu

ARTU 1/4 in. X 4-1/8 in. L Carbide Tipped Drill Bit Quick-Change Hex Shank

MPN: 01464

$9.99
Irwin 7/16 in. X 5-1/2 in. L Cobalt Alloy Steel Drill Bit Straight Shank
USA

Irwin

Irwin 7/16 in. X 5-1/2 in. L Cobalt Alloy Steel Drill Bit Straight Shank

MPN: 3016128

$16.99
Irwin 13/32 in. X 5-1/4 in. L Cobalt Alloy Steel Drill Bit Straight Shank
USA

Irwin

Irwin 13/32 in. X 5-1/4 in. L Cobalt Alloy Steel Drill Bit Straight Shank

MPN: 3016126

$13.99
Irwin 15/32 in. X 5-3/4 in. L Cobalt Steel Drill Bit Straight Shank
USA

Irwin

Irwin 15/32 in. X 5-3/4 in. L Cobalt Steel Drill Bit Straight Shank

MPN: 3016130

$17.99
Irwin 11/32 in. X 4-3/4 in. L Cobalt Alloy Steel Drill Bit Straight Shank
USA

Irwin

Irwin 11/32 in. X 4-3/4 in. L Cobalt Alloy Steel Drill Bit Straight Shank

MPN: 3016022

$13.99
Irwin 9/32 in. X 4-1/4 in. L Cobalt Alloy Steel Drill Bit Straight Shank
USA

Irwin

Irwin 9/32 in. X 4-1/4 in. L Cobalt Alloy Steel Drill Bit Straight Shank

MPN: 3016018

$10.99
Irwin 13/64 in. X 3-5/8 in. L Cobalt Alloy Steel Drill Bit Straight Shank
USA

Irwin

Irwin 13/64 in. X 3-5/8 in. L Cobalt Alloy Steel Drill Bit Straight Shank

MPN: 3016013

$7.59
Milwaukee Red Helix 15/64 in. X 3-15/16 in. L Steel Thunderbolt Drill Bit 3-Flat Shank
In-Store

Milwaukee

Milwaukee Red Helix 15/64 in. X 3-15/16 in. L Steel Thunderbolt Drill Bit 3-Flat Shank

MPN: 48-89-2312

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
Milwaukee Red Helix 13/32 in. X 4.80 in. L Metal Thunderbolt Drill Bit 3-Flat Shank
In-Store

Milwaukee

Milwaukee Red Helix 13/32 in. X 4.80 in. L Metal Thunderbolt Drill Bit 3-Flat Shank

MPN: 48-89-2323

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
Milwaukee Red Helix 13/64 in. X 3.62 in. L Metal Thunderbolt Drill Bit 3-Flat Shank
In-Store

Milwaukee

Milwaukee Red Helix 13/64 in. X 3.62 in. L Metal Thunderbolt Drill Bit 3-Flat Shank

MPN: 48-89-2310

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
Milwaukee Red Helix 11/64 in. X 3-5/16 in. L Steel Thunderbolt Drill Bit Round Shank
In-Store

Milwaukee

Milwaukee Red Helix 11/64 in. X 3-5/16 in. L Steel Thunderbolt Drill Bit Round Shank

MPN: 48-89-2308

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
Milwaukee RED HELIX 11/32 in. X 4-7/8 in. L Cobalt Steel THUNDERBOLT Drill Bit 3-Flat Shank
In-Store

Milwaukee

Milwaukee RED HELIX 11/32 in. X 4-7/8 in. L Cobalt Steel THUNDERBOLT Drill Bit 3-Flat Shank

MPN: 48-89-2319

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
Milwaukee Red Helix 7/32 in. X 3-7/8 in. L Steel Thunderbolt Drill Bit 3-Flat Shank
In-Store

Milwaukee

Milwaukee Red Helix 7/32 in. X 3-7/8 in. L Steel Thunderbolt Drill Bit 3-Flat Shank

MPN: 48-89-2311

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
Milwaukee Red Helix 1/16 in. X 2 in. L Steel Thunderbolt Drill Bit Round Shank
In-Store

Milwaukee

Milwaukee Red Helix 1/16 in. X 2 in. L Steel Thunderbolt Drill Bit Round Shank

MPN: 48-89-2301

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
Milwaukee Red Helix 5/64 in. X 2 in. L Cobalt Steel Thunderbolt Drill Bit Round Shank
In-Store

Milwaukee

Milwaukee Red Helix 5/64 in. X 2 in. L Cobalt Steel Thunderbolt Drill Bit Round Shank

MPN: 48-89-2302

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
Milwaukee Red Helix 9/32 in. X 4-5/16 in. L Steel Thunderbolt Drill Bit 3-Flat Shank
In-Store

Milwaukee

Milwaukee Red Helix 9/32 in. X 4-5/16 in. L Steel Thunderbolt Drill Bit 3-Flat Shank

MPN: 48-89-2315

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
DeWalt ELITE SERIES 11/64 in. X 3 1/4 in. L Cobalt Steel Split Point Drill Bit Round Shank
In-Store

Dewalt

DeWalt ELITE SERIES 11/64 in. X 3 1/4 in. L Cobalt Steel Split Point Drill Bit Round Shank

MPN: DWAMDCE11

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
DeWalt 7/16 in. X 5 1/2 in. L Cobalt Steel Pilot Point Drill Bit Round Shank
In-Store

Dewalt

DeWalt 7/16 in. X 5 1/2 in. L Cobalt Steel Pilot Point Drill Bit Round Shank

MPN: DWA1228

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
DeWalt 7/32 in. X 3 3/4 in. L Cobalt Steel Pilot Point Drill Bit Round Shank
In-Store

Dewalt

DeWalt 7/32 in. X 3 3/4 in. L Cobalt Steel Pilot Point Drill Bit Round Shank

MPN: DWA1214

Check with your local store Sold in stores — they stock it, price it fair, stand behind it.
Shop Local

Find these products at your local store.

Independent hardware retailers often carry the same products — sometimes at competitive prices. Every order helps keep them on the corner.

Why we built NHG →
For Pros & Businesses

Buying for a business? Get the pro treatment.

  • Net 30 terms
  • Volume & contract pricing
  • Gov & compliance ready
Apply for a Pro Account
Need a hand?

Real people. Real hardware experience.

Questions about fit, compatibility, or job requirements? Reach a real person — not a chatbot or contracted call center.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare