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
/
Twist Drill Bits
TWIST DRILL BITS
51 Results
Bit Material: Cobalt
Material Application: Duct/Sheet Metal
Individual/Set: Individual
Clear All
Sort by:
Top Sellers
Top Sellers
Most Popular
Price Low to High
Price High to Low
Top Rated Products
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Same-Day Delivery
Availability
Show Unavailable Products
Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
0
Please choose a rating
Brand
Drill America
Milwaukee
Price
to
Go
$0 - $10
$10 - $20
$20 - $30
$30 - $40
$40 - $50
$50 - $100
$100 - $150
$150 - $200
$200 - $250
Special Values
+ View All
Bit Diameter
1/8 in
1/4 in
5/16 in
#23
#27
#37
#47
1/2 in
3/16 in
3/8 in
5/32 in
11/64 in
19/64 in
H
#13
#14
#18
#22
#24
#38
#39
#46
25/64 in
35/64 in
B
D
G
J
N
O
X
Y
#12
#15
#16
#25
#31
#3
#41
#48
#49
#4
#51
#52
#53
#56
#57
#59
#5
#61
#63
#77
#79
#80
#8
3/32 in
5/64 in
7/32 in
7/64 in
9/32 in
9/64 in
11/16 in
13/32 in
13/64 in
15/64 in
17/32 in
29/32 in
37/64 in
47/64 in
57/64 in
61/64 in
A
C
L
M
Q
S
T
U
V
W
Z
#11
#17
#19
#20
#21
#26
#28
#2
#33
#34
#35
#36
#40
#42
#44
#45
#50
#55
+ View All
Bit Material
High Speed Steel
Cobalt
Titanium
Carbide
Black Oxide
Multiple
+ View All
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
Material Application
Stainless Steel
Aluminum
Duct/Sheet Metal
Steel
Cast Iron
Angle Iron
Copper
PVC
Wood
Nickel
Plaster
Vinyl Flooring
Linoleum
+ View All
Bit Length (in.)
0.75 in
0.87 in
1 in
1.12 in
1.25 in
1.37 in
1.5 in
1.62 in
1.68 in
1.75 in
1.81 in
1.87 in
1.89 in
1.93 in
2 in
2.06 in
2.12 in
2.18 in
2.25 in
2.37 in
2.43 in
2.5 in
2.62 in
2.68 in
2.75 in
2.81 in
2.87 in
2.93 in
3 in
3.06 in
3.12 in
3.25 in
3.31 in
3.37 in
3.38 in
3.5 in
3.56 in
3.68 in
3.75 in
3.87 in
3.88 in
4 in
4.12 in
4.25 in
4.37 in
4.5 in
4.50 in
4.62 in
4.75 in
4.87 in
4.88 in
5 in
5.12 in
5.24 in
5.25 in
5.5 in
5.87 in
5.98 in
6 in
6.25 in
6.37 in
6.62 in
7 in
7.12 in
7.5 in
7.62 in
8 in
8.25 in
8.75 in
9 in
10 in
10.75 in
11.37 in
12 in
+ View All
Shank Style
Straight
3-Flat
Hex
Features
No Additional Features
Shank Diameter
1/2 in
3/8 in
#23
#27
#37
#47
5/16 in
11/64 in
19/64 in
H
#13
#14
#18
#22
#24
#38
#39
#46
3/8 in.
25/64 in
B
D
G
J
N
O
X
Y
#12
#15
#16
#25
#31
#3
#41
#48
#49
#4
#51
#52
#53
#56
#57
#59
#5
#61
#63
#77
#79
#80
#8
1/4 in
1/8 in
3/16 in
5/32 in
5/64 in
7/32 in
9/32 in
13/64 in
15/64 in
35/64 in
37/64 in
A
C
L
M
Q
S
T
U
V
W
Z
#11
#17
#19
#20
#21
#26
#28
#2
#33
#34
#35
#36
#40
#42
#44
#45
#50
#55
#58
#60
#62
#64
#65
#66
#68
#69
#6
+ View All
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
0.875
0.9375
1
1.0625
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
4.37007874
4.375
4.48818898
4.5
4.75
4.8125
4.875
5.1875
5.375
5.625
6.125
+ View All
Individual/Set
Individual
Set
Featured Keywords
black oxide
high speed steel
black oxide drill bit
gold oxide
cobalt alloy
hard metal
variable helix
extra length
drill chuck
jobber length
bits core
split point
longer life
1/2 in. shank
2 high speed steel
round shank
precision start
cobalt steel tool
fast drilling
length drill bit
42 cobalt drill bits
cobalt twist
nickel alloy
quadedge tip
stub length
1/2 in. drill bit
1/8 in. drill bit
3/8 in. shank
5/32 in. drill bit
5/64 in. cobalt red helix drill bit
6 in. cobalt aircraft extension drill bit
cobalt aircraft extension
right-hand cut
taper length drill
+ View All
More Options Available
$
7
.
47
(3957)
Milwaukee
1/4 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
25
.
47
(3956)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
15
.
47
(3957)
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
6
.
47
(3955)
Milwaukee
3/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
10
.
47
(3955)
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
3
.
97
(3954)
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
21
.
97
(3947)
Milwaukee
7/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
4
.
97
(3954)
Milwaukee
5/32 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
6
.
67
(3954)
Milwaukee
7/32 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
5
.
47
(3954)
Milwaukee
11/64 in. Cobalt Red Helix Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
4
.
47
(3955)
Milwaukee
9/64 in. Red Helix Cobalt Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
29
.
97
(
$5.99
/unit
)
(380)
Milwaukee
3/16 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Compare