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Home
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Drill Bits
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Twist Drill Bits
COBALT TWIST DRILL BITS
23 Results
Brand: Drill America
Brand: Bosch
Bit Material: Cobalt
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Drill Bits
Twist Drill Bits
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$0 - $10
$10 - $20
$20 - $30
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$150 - $200
Special Values
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Brand
Drill America
Gyros
Milwaukee
CLE-LINE
Bosch
STARK USA
XtremepowerUS
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Bit Diameter
#23
#27
#37
#47
5/16 in
H
#13
#14
#18
#22
#24
#38
#39
#46
3/16 in
11/64 in
19/64 in
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
1/2 in
1/4 in
5/32 in
9/32 in
11/16 in
15/64 in
17/32 in
21/64 in
29/32 in
37/64 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
#42
#44
#45
#50
#55
#58
#60
#62
#64
#65
#66
#68
#69
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Bit Material
High Speed Steel
Cobalt
Carbide
Black Oxide
Material Application
Stainless Steel
Aluminum
Angle Iron
Copper
PVC
Steel
Wood
Duct/Sheet Metal
Cast Iron
Nickel
Plaster
Vinyl Flooring
Linoleum
Ceramic Tile
Porcelain
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Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
21-30 Pieces
Bit Length (in.)
0.75 in
0.87 in
1 in
1.12 in
1.25 in
1.37 in
1.5 in
1.62 in
1.68 in
1.75 in
1.81 in
1.87 in
1.89 in
1.93 in
2 in
2.06 in
2.12 in
2.18 in
2.25 in
2.37 in
2.43 in
2.5 in
2.62 in
2.68 in
2.75 in
2.81 in
2.87 in
2.93 in
3 in
3.06 in
3.12 in
3.25 in
3.31 in
3.37 in
3.38 in
3.5 in
3.56 in
3.68 in
3.75 in
3.87 in
4 in
4.12 in
4.25 in
4.37 in
4.5 in
4.62 in
4.75 in
4.87 in
4.88 in
5 in
5.12 in
5.24 in
5.25 in
5.87 in
5.98 in
6 in
6.25 in
6.37 in
6.5 in
6.62 in
6.75 in
7 in
7.12 in
7.5 in
7.62 in
7.75 in
8 in
8.25 in
8.75 in
9 in
10 in
10.75 in
12 in
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Shank Diameter
1/2 in
#23
#27
#37
#47
3/8 in
5/16 in
H
#13
#14
#18
#22
#24
#38
#39
#46
11/64 in
19/64 in
25/64 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
1/4 in
3/16 in
5/32 in
9/32 in
15/64 in
21/64 in
35/64 in
37/64 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
#62
#64
#65
#66
#68
#69
#6
#71
#72
#73
#75
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Shank Style
Straight
Hex
Features
No Additional Features
Drilling Depth (in)
0.125
0.1875
0.25
0.3125
0.375
0.5
0.5625
0.625
0.6875
0.75
0.8125
0.86614173
0.875
0.9375
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
1.8125
1.875
1.9375
2
2.125
2.1875
2.20472441
2.25
2.3125
2.375
2.5
2.5625
2.625
2.75
2.8125
2.875
2.9375
3
3.0625
3.1875
3.3125
3.4375
3.5
3.50393701
3.62204724
3.625
3.75
3.85826772
3.875
4
4.125
4.25
4.37007874
4.375
4.48818898
4.75
4.8125
4.875
5.1875
5.375
5.625
6.125
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Individual/Set
Individual
Set
Featured Keywords
black oxide
high speed steel
jobber length
gold oxide
split point
extra length
drill chuck
1/2 in. shank
2 high speed steel
length drill bit
round shank
cobalt steel tool
1/2. drill
3/8 in. shank
5 drill bits
6 in. cobalt aircraft extension drill bit
42 cobalt drill bits
nickel alloy
stub length
3 flat shank
cast iron
center punch
cobalt drill bits
cobalt drills
hard metal
long life
m42 alloy
standard length
taper length drill
42 cobalt drills
135 split point
cobalt aircraft extension
letter size
right-hand cut
standard bit
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$
34
.
28
(44)
Model# CO14B
Bosch
Cobalt M42 Twist Drill Bit Set with Case (14-Piece)
Add to Cart
Compare
More Options Available
$
3
.
61
(119)
Model# GLBCOX63/16
Drill America
3/16 in. x 6 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
Compare
More Options Available
$
29
.
21
(15)
Model# DWDCO7/8
Drill America
7/8 in. m35 Cobalt Reduced Shank Twist Drill Bit with 1/2 in. Shank
Add to Cart
Compare
More Options Available
$
34
.
98
/inch
(50)
Model# D/ACO3/4
Drill America
3/4 in. M42 Cobalt Reduced Shank Drill Bit with 1/2 in. Shank
Add to Cart
Compare
$
18
.
20
(
$1.52
/unit
)
(26)
Model# DWDCO3/16P12
Drill America
3/16 in. M35 Cobalt Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
10
.
44
(50)
Model# GLBCOX121/4
Drill America
1/4 in. x 12 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
Compare
$
20
.
88
(8)
Model# DWD13J-CO-SET
Drill America
m35 Cobalt Jobber Drill Bit Set (13-Pieces)
Add to Cart
Compare
More Options Available
$
25
.
46
Model# DWDTLCO3/8
Drill America
3/8 in. Cobalt Taper Length Twist Drill Bit
Add to Cart
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$
157
.
38
Model# D/A26J-CO-SET
Drill America
m42 Cobalt Jobber Drill Bit Set (26-Pieces)
Add to Cart
Compare
More Options Available
$
16
.
54
(
$1.38
/unit
)
(34)
Model# D/ACO1/8P12
Drill America
1/8 in. M42 Cobalt Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
61
.
24
(
$5.10
/unit
)
(3)
Model# D/ASTCO5/16P12
Drill America
5/16 in. M42 Cobalt Short Twist Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
31
.
53
(
$2.63
/unit
)
(9)
Model# D/ACO78P12
Drill America
#78 M42 Cobalt Drill Bit (12-Piece)
Add to Cart
Compare