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
DRILL BITS
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Next-Day Delivery
Filters
Filters
Clear All
Bit Diameter: 3/8 in
Bit Diameter: #11
Bit Material: Cobalt
Material Application: Duct/Sheet Metal
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Next-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
Milwaukee
Drill America
Price
to
Apply
$10 - $20
$20 - $30
$50 - $100
$100 - $150
Bit Diameter
1/8 in
1/4 in
1/2 in
3/8 in
3/16 in
5/16 in
5/32 in
11/64 in
19/64 in
25/64 in
H
#14
#18
#23
#25
#31
#37
#38
#46
#47
#52
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
21/64 in
35/64 in
61/64 in
J
Q
#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
#72
#78
#8
#9
1-1/2 in
1-5/16 in
1/16 in
1.5 mm
3/4 in
3.5 mm
5/8 in
7/16 in
7/8 in
9/16 in
12 mm
15/32 in
17/64 in
19/32 in
21/32 in
23/64 in
29/32 in
37/64 in
43/64 in
47/64 in
53/64 in
57/64 in
D
G
L
M
N
O
U
X
Bit Length (in.)
2.25 in
5 in
6.75 in
Bit Material
High Speed Steel
Alloy Steel
Cobalt
Steel
Titanium
Black Oxide
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
Material Application
Stainless Steel
Aluminum
Cast Iron
Duct/Sheet Metal
Steel
Angle Iron
Copper
Nickel
PVC
Plaster
Wood
Linoleum
Vinyl Flooring
Shank Style
3-Flat
Straight
Shank Diameter
3/8 in
#11
Drilling Depth (in)
1.1875
3.625
4.25
View Results
All Filters
Category
Bit Diameter
Bit Length (in.)
Bit Material
Number of Pieces
Bit Diameter: 3/8 in
Bit Diameter: #11
Bit Material: Cobalt
Material Application: Duct/Sheet Metal
Clear All
5 Results
Sort by:
Top Sellers
Top Sellers
Most Popular
Price Low to High
Price High to Low
Top Rated Products
More Options Available
$
18
.
97
(4106)
Model# 48-89-2321
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
More Options Available
$
86
.
45
(
$17.29
/unit)
(369)
Model# 48-89-2321-X5
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Top Rated
More Options Available
$
139
.
00
(
$13.90
/unit)
(259)
Model# 48-89-2321-X10
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
Add to Cart
More Options Available
$
25
.
57
Model# DWDTLCO3/8
Drill America
3/8 in. Cobalt Taper Length Twist Drill Bit
Add to Cart
More Options Available
$
23
.
35
(
$1.95
/unit)
(3)
Model# D/ASTCO11P12
Drill America
#11 M42 Cobalt Short Drill Bit (12-Piece)
Add to Cart