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Drill Bits
COBALT DRILL BITS
30 Results
Bit Material: Cobalt
Shank Diameter: #21
Shank Diameter: 3/8 in
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Drill Bits
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Brand
Milwaukee
Drill America
Hilti
Price
to
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$0 - $10
$10 - $20
$20 - $30
$30 - $40
$40 - $50
$50 - $100
$100 - $150
$150 - $200
$200 - $250
Special Values
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Bit Diameter
1/4 in
1/2 in
1/8 in
3/8 in
5/16 in
#4
3/16 in
#1
#21
3/32 in
5/32 in
7/16 in
7/64 in
9/64 in
13/32 in
35/64 in
45/64 in
47/64 in
+ View All
Bit Length (in.)
2.25 in
2.62 in
2.75 in
2.87 in
2.98 in
3.12 in
3.5 in
3.65 in
4 in
4.5 in
5 in
5.12 in
5.5 in
6 in
6.75 in
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Bit Material
Carbide
High Speed Steel
Cobalt
Bi-Metal
Black Oxide
Diamond
Steel
Other
Titanium
Carbon
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Number of Pieces
1 Piece
2-4 Pieces
5-10 Pieces
Material Application
Stainless Steel
Steel
Aluminum
Cast Iron
Duct/Sheet Metal
PVC
Angle Iron
Copper
Nickel
Plaster
Wood
Linoleum
Vinyl Flooring
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Shank Style
3-Flat
Straight
Hex
Shank Diameter
1/2 in
1/8 in
3/8 in
3/8 in.
#23
#27
#37
#47
1/4 in
5/16 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
3/16 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
19/32 in
21/32 in
21/64 in
37/64 in
43/64 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
+ View All
Individual/Set
Individual
Drilling Depth (in)
0.5
0.87
1.25
1.5
1.625
1.81
1.875
2.3125
2.625
3
3.0
3.1875
3.625
3.75
4.0625
4.25
4.5
4.8125
+ View All
Top Rated
More Options Available
$
25
.
47
(3950)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
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$
15
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47
(3949)
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit
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$
7
.
47
(3949)
Milwaukee
1/4 in. Cobalt Red Helix Twist Drill Bit
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Top Rated
More Options Available
$
6
.
47
(3948)
Milwaukee
3/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
10
.
47
(3949)
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
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More Options Available
$
21
.
97
(3941)
Milwaukee
7/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
4
.
97
(3948)
Milwaukee
5/32 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
4
.
47
(3948)
Milwaukee
9/64 in. Red Helix Cobalt Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
29
.
97
(
$5.99
/unit
)
(379)
Milwaukee
3/16 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Compare
More Options Available
$
34
.
97
(
$6.99
/unit
)
(526)
Milwaukee
1/4 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Compare
More Options Available
$
3
.
97
(3948)
Milwaukee
7/64 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
3
.
67
(3948)
Milwaukee
3/32 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare