Specials & Offers
Appliances
Bath
Blinds & Window Treatments
Building Materials
Lumber & Composites
Cleaning
Home Décor
Lighting
Doors & Windows
Electrical
Flooring
Hardware
Heating, Venting & Cooling
Kitchen
Garden Center
Outdoors
Paint
Plumbing
Holiday Decorations
Smart Home
Storage & Organization
Tools
Automotive
Furniture
Home Depot Gift Cards
Credit Card Services
Home Services
Home Depot Rental
Pro Services & Contractor Supply
Project Calculators
DIY Projects and Ideas
Local Ad
Store Finder
Site Map
#1 Home Improvement Retailer
Select store
...
...
Cart
Select store
...
...
Shop All
Services
DIY
Log In
Cart
Home
/
Tools
/
Power Tool Accessories
/
Drill Bits
COBALT DRILL BITS
Get It Fast
Free 1-2 Day Delivery
Filters
Filters
Clear All
Bit Material: Cobalt
Shank Diameter: O
Shank Diameter: #45
Shank Diameter: 13/64 in
Shank Diameter: 25/64 in
Shank Diameter: #51
Get It Fast
Free 1-2 Day Delivery
Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Drill America
Milwaukee
Price
to
Apply
$0 - $10
$10 - $20
$20 - $30
$30 - $40
$40 - $50
Bit Diameter
13/64 in
25/64 in
#45
O
Bit Length (in.)
3.25 in
3.75 in
5.12 in
6 in
7 in
12 in
Bit Material
Carbide
High Speed Steel
Cobalt
Steel
Number of Pieces
1 Piece
5-10 Pieces
Shank Diameter
1/2 in
1/8 in
1/4 in
3/8 in
3/8 in.
5/16 in
11/64 in
19/64 in
25/64 in
H
#14
#18
#23
#25
#31
#37
#38
#46
#47
#52
3/16 in
5/32 in
5/64 in
7/32 in
7/64 in
9/32 in
9/64 in
13/32 in
13/64 in
15/64 in
43/64 in
J
#11
#13
#15
#16
#19
#20
#21
#24
#26
#27
#33
#36
#39
#3
#40
#44
#45
#48
#4
#50
#53
#55
#56
#57
#62
#69
#71
#78
#8
#9
1/16 in
1.5 mm
3/32 in
3.5 mm
7/8 in
11/16 in
12 mm
15/32 in
17/32 in
17/64 in
19/32 in
21/32 in
21/64 in
23/64 in
35/64 in
37/64 in
Assorted
D
G
L
M
N
O
Q
U
X
Material Application
Stainless Steel
Aluminum
Cast Iron
Duct/Sheet Metal
Steel
Angle Iron
Copper
Nickel
PVC
Plaster
Wood
Vinyl Flooring
Linoleum
Drilling Depth (in)
0.875
1.5625
1.875
3.1875
3.75
4.375
View Results
All Filters
Category
Bit Diameter
Bit Length (in.)
Bit Material
Number of Pieces
Bit Material: Cobalt
Shank Diameter: O
Shank Diameter: #45
Shank Diameter: 13/64 in
Shank Diameter: 25/64 in
Shank Diameter: #51
Clear All
7 Results
Sort by
Top Sellers
More Options Available
$
6
.
18
(4119)
Model# 48-89-2310
Milwaukee
13/64 in. Cobalt Red Helix Drill Bit
Add to Cart
More Options Available
$
43
.
90
(
$7.32
/unit
)
(35)
Model# D/ACO25/64P6
Drill America
25/64 in. M42 Cobalt Drill Bit (6-Piece)
Add to Cart
More Options Available
$
3
.
89
(129)
Model# GLBCOX613/64
Drill America
13/64 in. x 6 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
More Options Available
$
28
.
03
Model# DWDTLCO25/64
Drill America
25/64 in. Cobalt Taper Length Twist Drill Bit
Add to Cart
More Options Available
$
39
.
59
(
$6.60
/unit
)
(3)
Model# D/ASTCO25/64P6
Drill America
25/64 in. M42 Cobalt Short Twist Drill Bit (6-Piece)
Add to Cart
More Options Available
$
12
.
03
Model# GLBCOX6O
Drill America
O x 6 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
More Options Available
$
8
.
63
(8)
Model# GLBCOX1245
Drill America
#45 x 12 in. Cobalt Aircraft Extension Drill Bit
Add to Cart