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Drill Bits
COBALT DRILL BITS
Get It Fast
In Stock at Store Today
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Bit Diameter: #4
Bit Diameter: H
Bit Diameter: D
Bit Diameter: #23
Bit Material: Cobalt
Get It Fast
In Stock at Store Today
Availability
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Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
Step Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Drill America
Milwaukee
Price
to
Apply
$0 - $10
$10 - $20
$30 - $40
$40 - $50
$50 - $100
$100 - $150
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
7/64 in
9/64 in
11/64 in
19/64 in
H
#13
#14
#18
#22
#24
#38
#39
#46
13/32 in
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
9/32 in
11/16 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.)
2.37 in
2.68 in
3.12 in
3.65 in
4 in
4.12 in
6 in
12 in
Bit Material
High Speed Steel
Cobalt
Black Oxide
Carbide
Titanium
Material Application
Stainless Steel
Aluminum
PVC
Steel
Angle Iron
Cast Iron
Copper
Duct/Sheet Metal
Nickel
Plaster
Vinyl Flooring
Wood
Linoleum
Number of Pieces
1 Piece
2-4 Pieces
11-20 Pieces
Shank Diameter
#23
H
D
#4
3/8 in
Shank Style
Straight
3-Flat
Individual/Set
Individual
Drilling Depth (in)
0.87
1.125
1.25
1.5
2
2.75
2.875
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Bit Diameter
Bit Length (in.)
Bit Material
Material Application
Bit Diameter: #4
Bit Diameter: H
Bit Diameter: D
Bit Diameter: #23
Bit Material: Cobalt
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11 Results
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More Options Available
$
77
.
97
(1356)
Model# 48-89-9284
Milwaukee
3/16 in. - 7/8 in. #4 Cobalt Step Drill Bit (12-Steps)
Add to Cart
Compare
More Options Available
$
11
.
69
Model# GLBCOX6H
Drill America
H x 6 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
Compare
$
139
.
00
(11)
Model# 48-89-9284-48-89-9284
Milwaukee
3/16 in. to 7/8 in. #4 Cobalt Step Drill Bit (2-Pack)
Add to Cart
Compare
More Options Available
$
38
.
02
(
$3.17
/unit
)
(1)
Model# DWDCOHP12
Drill America
H M35 Cobalt Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
3
.
00
(16)
Model# GLBCOX623
Drill America
#23 x 6 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
Compare
More Options Available
$
14
.
04
(
$1.17
/unit
)
(7)
Model# DWDCO23P12
Drill America
#23 M35 Cobalt Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
49
.
98
(
$4.17
/unit
)
Model# D/ACOHP12
Drill America
H M42 Cobalt Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
18
.
64
(
$1.55
/unit
)
(9)
Model# D/ACO23P12
Drill America
#23 M42 Cobalt Twist Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
8
.
36
(8)
Model# GLBCOX1223
Drill America
#23 x 12 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
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More Options Available
$
37
.
12
(
$3.09
/unit
)
(3)
Model# D/ASTCO4P12
Drill America
#4 M42 Cobalt Short Drill Bit (12-Piece)
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More Options Available
$
57
.
67
(
$4.81
/unit
)
Model# D/ASTCOHP12
Drill America
H M42 Cobalt Short Twist Drill Bit (12-Piece)
Add to Cart
Compare