Support Your Local Stores
Find In-Store
Find In-Store
Shop the Collection
Shop Local. Support Independent.
73
products available
Cobalt Bits
Individual cobalt alloy drill bits, with a carbide tipped bit also here. Sizes include 19/64 inch, 7/16 inch and 5/32 inch, with straight, 3-flat and quick-change hex shanks.
Trusted brands only
Ships nationwide
Pro accounts welcome
Support your local hardware store
In-Store
Milwaukee
Milwaukee 21/64 in. X 4.49 in. L Cobalt Drill Bit
MPN: 48-89-2318
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
In-Store
Milwaukee
Milwaukee 19/64 in. X 4.33 in. L Cobalt Drill Bit
MPN: 48-89-2316
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
In-Store
Milwaukee
Milwaukee 29/64 in. X 4.96 in. L Cobalt Drill Bit 1 each
MPN: 48-89-2326
Check with your local store
Sold in stores — they stock it, price it fair, stand behind it.
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
ARTU 3/8 in. X 5-1/4 in. L Tungsten Carbide Tipped Drill Bit Quick-Change Hex Shank
MPN: 01472
$12.99
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
ARTU 5/16 in. X 4-1/2 in. L Tungsten Carbide Tipped Drill Bit Quick-Change Hex Shank
MPN: 01468
$10.99
Artu
ARTU 3/16 in. X 3-1/2 in. L Carbide Tipped Drill Bit Quick-Change Hex Shank
MPN: 01460
$9.59
Artu
ARTU 1/4 in. X 4-1/8 in. L Carbide Tipped Drill Bit Quick-Change Hex Shank
MPN: 01464
$9.99
USA
Irwin
Irwin 7/16 in. X 5-1/2 in. L Cobalt Alloy Steel Drill Bit Straight Shank
MPN: 3016128
$16.99
USA
Irwin
Irwin 13/32 in. X 5-1/4 in. L Cobalt Alloy Steel Drill Bit Straight Shank
MPN: 3016126
$13.99
USA
Irwin
Irwin 15/32 in. X 5-3/4 in. L Cobalt Steel Drill Bit Straight Shank
MPN: 3016130
$17.99
USA
Irwin
Irwin 11/32 in. X 4-3/4 in. L Cobalt Alloy Steel Drill Bit Straight Shank
MPN: 3016022
$13.99
USA
Irwin
Irwin 9/32 in. X 4-1/4 in. L Cobalt Alloy Steel Drill Bit Straight Shank
MPN: 3016018
$10.99
USA
Irwin
Irwin 13/64 in. X 3-5/8 in. L Cobalt Alloy Steel Drill Bit Straight Shank
MPN: 3016013
$7.59
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.
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.
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.
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.
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.
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.
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.
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.
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.
More About This Collection Cobalt Bits
Individual cobalt alloy drill bits, with a carbide tipped bit also here. Sizes include 19/64 inch, 7/16 inch and 5/32 inch, with straight, 3-flat and quick-change hex shanks.
Choose the diameter you need, then check length and shank. Milwaukee Red Helix and Irwin cobalt bits are included. ARTU makes the carbide tipped bit.
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
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.