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Home
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Drill Bits
COBALT DRILL BITS
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Bit Diameter: #17
Bit Diameter: #25
Bit Diameter: 1/2 in
Bit Diameter: #18
Bit Material: Cobalt
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Next-Day Delivery
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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
$150 - $200
Bit Diameter
1/8 in
1/2 in
1/4 in
5/16 in
#23
#27
#37
#47
#4
#9
3/8 in
3/16 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
37/64 in
B
D
G
J
N
O
X
Y
#12
#15
#16
#1
#25
#31
#3
#41
#48
#49
#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
21/64 in
29/32 in
33/64 in
43/64 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
Bit Length (in.)
3 in
3.25 in
3.37 in
3.75 in
6 in
7.75 in
12 in
Bit Material
Carbide
High Speed Steel
Cobalt
Steel
Alloy Steel
Diamond
Tungsten
Other
Black Oxide
High Carbon Steel
Titanium
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
Shank Style
Straight
3-Flat
Material Application
Stainless Steel
Aluminum
Cast Iron
Steel
Duct/Sheet Metal
Angle Iron
Copper
Nickel
PVC
Plaster
Vinyl Flooring
Wood
Linoleum
Shank Diameter
#18
3/8 in
#25
1/2 in
#17
Individual/Set
Individual
Drilling Depth (in)
0.125
1.875
2.125
2.1875
2.25
4.5
4.75
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Category
Bit Diameter
Bit Length (in.)
Bit Material
Number of Pieces
Bit Diameter: #17
Bit Diameter: #25
Bit Diameter: 1/2 in
Bit Diameter: #18
Bit Material: Cobalt
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Top Rated Products
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More Options Available
$
26
.
97
(4019)
Model# 48-89-2329
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
119
.
00
(
$23.80
/unit
)
(354)
Model# 48-89-2329-X5
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Compare
More Options Available
$
198
.
00
(
$19.80
/unit
)
(249)
Model# 48-89-2329-X10
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
Add to Cart
Compare
More Options Available
$
33
.
05
Model# DWDTLCO1/2
Drill America
1/2 in. Cobalt Taper Length Twist Drill Bit
Add to Cart
Compare
More Options Available
$
8
.
12
(8)
Model# GLBCOX1225
Drill America
#25 x 12 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
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More Options Available
$
20
.
59
(
$1.72
/unit
)
(9)
Model# D/ACO25P12
Drill America
#25 M42 Cobalt Twist Drill Bit (12-Piece)
Add to Cart
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More Options Available
$
56
.
41
(
$9.40
/unit
)
(3)
Model# D/ASTCO1/2P6
Drill America
1/2 in. M42 Cobalt Short Twist Drill Bit (6-Piece)
Add to Cart
Compare
More Options Available
$
3
.
32
(16)
Model# GLBCOX618
Drill America
#18 x 6 in. Cobalt Aircraft Extension Drill Bit
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More Options Available
$
16
.
30
(
$1.36
/unit
)
(7)
Model# DWDCO18P12
Drill America
#18 M35 Cobalt Drill Bit (12-Piece)
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Compare