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Home
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Drill Bits
COBALT DRILL BITS
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In Stock at Store Today
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Bit Material: Cobalt
Shank Diameter: 1/2 in
Shank Diameter: 25/64 in
Shank Diameter: 3/8 in.
Shank Diameter: B
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
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Specialty Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Drill America
Milwaukee
Hilti
Price
to
Apply
$10 - $20
$20 - $30
$30 - $40
$40 - $50
$50 - $100
$100 - $150
$150 - $200
$250 - $300
Material Application
Stainless Steel
Steel
Aluminum
PVC
Duct/Sheet Metal
Angle Iron
Copper
Wood
Cast Iron
Nickel
Plaster
Vinyl Flooring
Linoleum
Bit Material
High Speed Steel
Carbide
Diamond
Cobalt
Black Oxide
Steel
Titanium
Tungsten
Bi-Metal
Carbon Steel
Bit Diameter
25/64 in
#9
1/2 in
1/8 in
61/64 in
#1
1-1/2 in
1-5/16 in
3/4 in
5/8 in
7/8 in
9/16 in
11/16 in
17/32 in
29/32 in
47/64 in
53/64 in
57/64 in
Shank Style
Straight
3-Flat
Hex
Number of Pieces
1 Piece
2-4 Pieces
5-10 Pieces
Bit Length (in.)
2.75 in
2.89 in
3.25 in
3.75 in
3.88 in
5.12 in
6 in
7 in
7.75 in
Individual/Set
Individual
Shank Diameter
1/2 in
1/4 in
1/8 in
3/8 in
3/8 in.
5/16 in
11/64 in
19/64 in
25/64 in
H
#14
#18
#23
#25
#31
#38
#46
#47
#52
3/16 in
5/32 in
5/64 in
7/32 in
7/64 in
9/32 in
9/64 in
13/32 in
13/64 in
15/64 in
J
#11
#13
#15
#16
#19
#20
#21
#24
#26
#27
#33
#36
#37
#39
#3
#40
#44
#48
#4
#50
#53
#55
#56
#57
#62
#71
#78
#8
#9
1/16 in
1.5 mm
3/32 in
3.5 mm
7/8 in
11/16 in
12 mm
15/32 in
17/32 in
17/64 in
19/32 in
21/32 in
21/64 in
23/64 in
35/64 in
37/64 in
43/64 in
Assorted
D
G
L
M
N
O
Q
U
X
Drilling Depth (in)
0.5
1.12
1.875
2.25
3
3.75
4.375
4.75
4.8125
5.1875
5.625
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Material Application
Bit Material
Bit Diameter
Shank Style
Bit Material: Cobalt
Shank Diameter: 1/2 in
Shank Diameter: 25/64 in
Shank Diameter: 3/8 in.
Shank Diameter: B
Clear All
11 Results
Sort by
Top Sellers
+more available options
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
(4.6 /
385
)
Model# 48-89-2355
$
20
.
97
(
$4.19
/unit
)
Add to Cart
Top Rated
+more available options
Milwaukee
7/8 in. - 1-1/8 in. #9 Cobalt Step Drill Bit (2-Steps)
(4.2 /
1377
)
Model# 48-89-9289
$
99
.
97
Add to Cart
Milwaukee
7/8 in. to 1-1/8 in. x #9 Cobalt Step Drill Bit (2-Pack)
(5 /
10
)
Model# 48-89-9289-48-89-9289
$
179
.
00
Add to Cart
+more available options
Drill America
3/4 in. M42 Cobalt Reduced Shank Drill Bit with 1/2 in. Shank
(4.5 /
52
)
Model# D/ACO3/4
$
30
.
31
/inch
Add to Cart
Milwaukee
1/8 in. to 1/2 in. #1 Cobalt Step Drill Bit (2-Pack)
(4.3 /
11
)
Model# 48-89-9281-48-89-9281
$
96
.
46
Add to Cart
+more available options
Drill America
17/32 in. m35 Cobalt Reduced Shank Twist Drill Bit with 1/2 in. Shank
(3.6 /
17
)
Model# DWDCO17/32
$
15
.
41
Add to Cart
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
(4.8 /
30
)
Model# 48-89-2355-48-89-2355
$
27
.
92
(
$2.79
/unit
)
Add to Cart
Hilti
1/2 in. Cobalt Jobber Drill Bit Pack (6-Piece)
Model# 410635
$
258
.
00
Add to Cart
+more available options
Drill America
25/64 in. M42 Cobalt Drill Bit (6-Piece)
(4.5 /
35
)
Model# D/ACO25/64P6
$
43
.
90
(
$7.32
/unit
)
Add to Cart
+more available options
Drill America
1/2 in. Cobalt Taper Length Twist Drill Bit
Model# DWDTLCO1/2
$
31
.
74
Add to Cart
+more available options
Drill America
1/2 in. M42 Cobalt Short Twist Drill Bit (6-Piece)
(1 /
3
)
Model# D/ASTCO1/2P6
$
56
.
41
(
$9.40
/unit
)
Add to Cart