Shop All Savings
Appliances
Bath & Faucets
Blinds & Window Treatment
Building Materials
Lumber & Composites
Cleaning
Decor & Furniture
Lighting & Ceiling Fans
Doors & Windows
Electrical
Flooring & Area Rugs
Hardware
Heating & Cooling
Kitchen & Kitchenware
Lawn & Garden
Outdoor Living & Patio
Paint
Plumbing
Seasonal Decor
Smart Home
Storage & Organization
Tools
Automotive
Furniture
Gift Cards
Credit Cards
View All Home Services
Tool Rental
Benefits & Services For the Pro
Project Calculators
View All DIY Projects
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
Drilling Depth (in): 2.20472441
Drilling Depth (in): 0.875
Drilling Depth (in): 1.5625
Drilling Depth (in): 0.8125
Drilling Depth (in): 3.3125
Drilling Depth (in): 3.625
Drilling Depth (in): 1.6875
Get It Fast
Free 1-2 Day Delivery
Availability
Show Out of Stock
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
$50 - $100
$100 - $150
Bit Diameter
3/8 in
V
#13
#31
#34
#35
#36
#37
#38
#39
#40
#41
#44
#45
#46
#53
#55
#8
#9
3/16 in
4.5 mm
13/64 in
19/64 in
21/64 in
L
P
U
Bit Length (in.)
1.81 in
1.87 in
2.75 in
2.93 in
3.38 in
4.62 in
5 in
6 in
12 in
Bit Material
High Speed Steel
Cobalt
Carbide
Material Application
Stainless Steel
Aluminum
Cast Iron
Duct/Sheet Metal
Steel
Angle Iron
Copper
Nickel
PVC
Plaster
Vinyl Flooring
Wood
Linoleum
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
Shank Diameter
3/8 in
V
#13
#31
#34
#35
#36
#37
#38
#39
#40
#41
#44
#45
#46
#53
#55
#8
#9
3/16 in
4.5 mm
13/64 in
19/64 in
21/64 in
L
P
U
Shank Style
Straight
3-Flat
Individual/Set
Individual
Drilling Depth (in)
0.125
0.1875
0.25
0.3125
0.375
0.5
0.5625
0.625
0.6875
0.75
0.8125
0.86614173
0.87
0.875
0.9375
1
1.0625
1.12
1.125
1.1875
1.25
1.3125
1.375
1.4375
1.5
1.5625
1.625
1.6875
1.73228346
1.75
1.81
1.8125
1.875
1.9375
2
2.125
2.1875
2.20472441
2.25
2.3125
2.375
2.5
2.5625
2.625
2.75
2.8125
2.875
2.9375
3
3.0625
3.1875
3.3125
3.4375
3.5
3.50393701
3.62204724
3.625
3.75
3.85826772
3.875
4
4.0625
4.125
4.25
4.37007874
4.375
4.48818898
4.5
4.75
4.8125
4.875
5.1875
5.375
5.625
6.125
View Results
All Filters
Category
Bit Diameter
Bit Length (in.)
Bit Material
Material Application
Bit Material: Cobalt
Drilling Depth (in): 2.20472441
Drilling Depth (in): 0.875
Drilling Depth (in): 1.5625
Drilling Depth (in): 0.8125
Drilling Depth (in): 3.3125
Drilling Depth (in): 3.625
Drilling Depth (in): 1.6875
Clear All
12 Results
Sort by:
Top Sellers
Top Sellers
Most Popular
Price Low to High
Price High to Low
Top Rated Products
More Options Available
$
3
.
46
(121)
Model# GLBCOX63/16
Drill America
3/16 in. x 6 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
86
.
45
(
$17.29
/unit
)
(357)
Model# 48-89-2321-X5
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Compare
Top Rated
More Options Available
$
139
.
00
(
$13.90
/unit
)
(253)
Model# 48-89-2321-X10
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
Add to Cart
Compare
More Options Available
$
10
.
33
(
86
¢
/unit
)
(7)
Model# DWDCO55P12
Drill America
#55 M35 Cobalt Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
65
.
44
(
$5.45
/unit
)
Model# D/ASTCOLP12
Drill America
L M42 Cobalt Short Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
15
.
10
(
$1.26
/unit
)
(3)
Model# D/ASTCO39P12
Drill America
#39 M42 Cobalt Short Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
8
.
63
(8)
Model# GLBCOX1244
Drill America
#44 x 12 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
Compare
More Options Available
$
31
.
98
(
$5.33
/unit
)
(3)
Model# D/ASTCO21/64P6
Drill America
21/64 in. M42 Cobalt Short Twist Drill Bit (6-Piece)
Add to Cart
Compare
More Options Available
$
3
.
43
(16)
Model# GLBCOX613
Drill America
#13 x 6 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
Compare
More Options Available
$
33
.
40
(
$2.78
/unit
)
(14)
Model# D/AMMCO4.50P12
Drill America
4.50 mm M42 Cobalt Twist Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
26
.
31
(
$4.39
/unit
)
(1)
Model# DWDCOPP6
Drill America
P M35 Cobalt Drill Bit (6-Piece)
Add to Cart
Compare
More Options Available
$
51
.
49
(
$8.58
/unit
)
Model# D/ACOVP6
Drill America
V M42 Cobalt Twist Drill Bit (6-Piece)
Add to Cart
Compare