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Drill Bits
COBALT DRILL BITS
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Bit Material: Cobalt
Shank Diameter: #79
Shank Diameter: 3/8 in.
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
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
Milwaukee
Drill America
Price
to
Apply
$10 - $20
$20 - $30
$30 - $40
$50 - $100
$100 - $150
$150 - $200
Bit Diameter
1/8 in
#79
#9
#1
Bit Length (in.)
0.75 in
2.75 in
2.89 in
3.88 in
Bit Material
Cobalt
Carbide
Diamond
High Speed Steel
Bi-Metal
Titanium
Number of Pieces
1 Piece
2-4 Pieces
5-10 Pieces
11-20 Pieces
Material Application
Stainless Steel
Aluminum
Steel
Cast Iron
Duct/Sheet Metal
PVC
Angle Iron
Copper
Linoleum
Nickel
Plaster
Vinyl Flooring
Wood
Shank Style
3-Flat
Hex
Straight
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
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
#62
Drilling Depth (in)
0.125
0.5
1.12
1.875
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Bit Diameter
Bit Length (in.)
Bit Material
Number of Pieces
Bit Material: Cobalt
Shank Diameter: #79
Shank Diameter: 3/8 in.
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8 Results
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More Options Available
$
20
.
97
(
$4.19
/unit
)
(338)
Model# 48-89-2355
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Compare
More Options Available
$
99
.
97
(1354)
Model# 48-89-9289
Milwaukee
7/8 in. - 1-1/8 in. #9 Cobalt Step Drill Bit (2-Steps)
Add to Cart
Compare
$
200
.
00
(10)
Model# 48-89-9289-48-89-9289
Milwaukee
7/8 in. to 1-1/8 in. x #9 Cobalt Step Drill Bit (2-Pack)
Add to Cart
Compare
$
30
.
68
(
$3.07
/unit
)
(28)
Model# 48-89-2355-48-89-2355
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
Add to Cart
Compare
$
106
.
00
(11)
Model# 48-89-9281-48-89-9281
Milwaukee
1/8 in. to 1/2 in. #1 Cobalt Step Drill Bit (2-Pack)
Add to Cart
Compare
$
12
.
55
(
$2.51
/unit
)
(319)
Model# 48-89-2355-48-22-3100
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit with INKZALL Black Fine Point Jobsite Permanent Marker (5-Pack)
Add to Cart
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More Options Available
$
34
.
20
(
$2.85
/unit
)
(9)
Model# D/ACO79P12
Drill America
#79 M42 Cobalt Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
22
.
25
(
$1.85
/unit
)
(7)
Model# DWDCO79P12
Drill America
#79 M35 Cobalt Drill Bit (12-Piece)
Add to Cart
Compare