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
Filters
Filters
Clear All
Bit Material: Cobalt
Material Application: Cast Iron
Drilling Depth (in): 1.875
Drilling Depth (in): 1.3125
Get It Fast
In Stock at Store Today
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
$20 - $30
$30 - $40
Bit Diameter
1/8 in
11/64 in
#18
#19
#21
#25
15/64 in
25/64 in
Bit Length (in.)
2.43 in
2.75 in
3 in
3.25 in
6 in
12 in
Bit Material
Cobalt
High Speed Steel
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
Shank Style
Straight
Hex
Material Application
Stainless Steel
Aluminum
Cast Iron
Duct/Sheet Metal
Steel
Angle Iron
Copper
Nickel
PVC
Plaster
Vinyl Flooring
Wood
Linoleum
Shank Diameter
3/8 in.
11/64 in
#18
#19
#21
#25
15/64 in
25/64 in
Individual/Set
Individual
Drilling Depth (in)
0.125
0.1875
0.375
0.5
0.5625
0.625
0.6875
0.75
0.8125
0.86614173
0.875
.875
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
2
2.125
2.1875
2.25
2.3125
2.375
2.5
2.75
2.8125
2.875
2.9375
3.0625
3.1875
3.4375
3.625
3.75
3.875
4
4.0625
4.125
4.25
4.37007874
4.375
4.5
4.75
4.8125
5.1875
5.375
5.625
6.125
View Results
All Filters
Category
Bit Diameter
Bit Length (in.)
Bit Material
Number of Pieces
Bit Material: Cobalt
Material Application: Cast Iron
Drilling Depth (in): 1.875
Drilling Depth (in): 1.3125
Clear All
8 Results
Sort by
Top Sellers
More Options Available
$
20
.
97
(
$4.19
/unit)
(378)
Model# 48-89-2355
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
$
27
.
92
(
$2.79
/unit)
(30)
Model# 48-89-2355-48-89-2355
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
Add to Cart
More Options Available
$
3
.
13
(129)
Model# GLBCOX611/64
Drill America
11/64 in. x 6 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
More Options Available
$
7
.
34
(50)
Model# GLBCOX1211/64
Drill America
11/64 in. x 12 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
More Options Available
$
31
.
88
(
$2.66
/unit)
(3)
Model# D/ASTCO15/64P12
Drill America
15/64 in. M42 Cobalt Short Twist Drill Bit (12-Piece)
Add to Cart
More Options Available
$
3
.
13
(16)
Model# GLBCOX621
Drill America
#21 x 6 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
More Options Available
$
8
.
08
(8)
Model# GLBCOX1219
Drill America
#19 x 12 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
More Options Available
$
21
.
32
(
$1.78
/unit)
(9)
Model# D/ACO25P12
Drill America
#25 M42 Cobalt Twist Drill Bit (12-Piece)
Add to Cart