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Home
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Power Tool Accessories
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Drill Bits
COBALT DRILL BITS
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Bit Material: Cobalt
Drilling Depth (in): 1.625
Drilling Depth (in): 1.375
Drilling Depth (in): 4.5
Drilling Depth (in): 3.0625
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Same-Day Delivery
Availability
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Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Drill America
Milwaukee
Price
to
Apply
$0 - $10
$10 - $20
$20 - $30
$30 - $40
$40 - $50
$50 - $100
$100 - $150
$150 - $200
Bit Diameter
1/8 in
1/2 in
N
#39
5/16 in
15/64 in
19/64 in
B
M
Bit Length (in.)
2.37 in
2.5 in
2.75 in
2.81 in
4.37 in
6 in
Bit Material
High Speed Steel
Carbide
Cobalt
Bi-Metal
Material Application
Stainless Steel
Aluminum
Cast Iron
Duct/Sheet Metal
Steel
Angle Iron
Copper
Nickel
PVC
Plaster
Vinyl Flooring
Wood
Linoleum
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
Shank Style
Straight
3-Flat
Shank Diameter
1/8 in
3/8 in
N
#39
5/16 in
15/64 in
19/64 in
B
M
Individual/Set
Individual
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
0.87
0.875
0.9375
1
1.0625
1.12
1.125
1.1875
1.25
1.3125
1.375
1.4375
1.5
1.5625
1.625
1.6875
1.73228346
1.75
1.81
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
4.0625
4.125
4.25
4.37007874
4.375
4.48818898
4.5
4.75
4.8125
4.875
5.1875
5.375
5.625
6.125
View Results
All Filters
Category
Bit Diameter
Bit Length (in.)
Bit Material
Material Application
Bit Material: Cobalt
Drilling Depth (in): 1.625
Drilling Depth (in): 1.375
Drilling Depth (in): 4.5
Drilling Depth (in): 3.0625
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More Options Available
$
26
.
97
(4038)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
5
.
48
(4036)
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
119
.
00
(
$23.80
/unit
)
(355)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Compare
Top Rated
More Options Available
$
38
.
97
(
$3.90
/unit
)
(118)
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
Add to Cart
Compare
More Options Available
$
198
.
00
(
$19.80
/unit
)
(249)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
Add to Cart
Compare
$
22
.
40
(
$4.48
/unit
)
(117)
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Compare
More Options Available
$
15
.
86
(
$1.32
/unit
)
(34)
Drill America
1/8 in. M42 Cobalt Drill Bit (12-Piece)
Add to Cart
Compare
More Options Available
$
4
.
24
(121)
Drill America
15/64 in. x 6 in. Cobalt Aircraft Extension Drill Bit
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More Options Available
$
53
.
07
(
$4.42
/unit
)
(3)
Drill America
5/16 in. M42 Cobalt Short Twist Drill Bit (12-Piece)
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$
35
.
23
(
$2.94
/unit
)
(26)
Drill America
19/64 in. M35 Cobalt Drill Bit (12-Piece)
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$
12
.
03
(
$1.00
/unit
)
(9)
Drill America
#39 M42 Cobalt Twist Drill Bit (12-Piece)
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$
40
.
48
(
$3.37
/unit
)
(1)
Drill America
N M35 Cobalt Drill Bit (12-Piece)
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