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Home
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Drill Bits
COBALT DRILL BITS
Bit Diameter: 1/16 in
Bit Diameter: 1/2 in
Titanium Nitride Coated
Bosch
Milwaukee
Set
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Bit Material: Cobalt
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Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
Step Drill Bits
Specialty Drill Bits
Screwdriver Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Drill America
Milwaukee
Gyros
CLE-LINE
Hilti
Bosch
STARK USA
XtremepowerUS
BLU-MOL
Ontel Speed Out
Price
to
Apply
$0 - $10
$10 - $20
$20 - $30
$30 - $40
$40 - $50
$50 - $100
$100 - $150
$150 - $200
$200 - $250
$250 - $300
$300 - $400
$500 - $600
Special Values
Bit Diameter
1/8 in
1/2 in
1/4 in
3/8 in
3/32 in
5/16 in
#9
5/32 in
5/64 in
7/32 in
9/64 in
11/64 in
#4
3/16 in
7/64 in
7/8 in
9/32 in
11/16 in
13/32 in
13/64 in
17/32 in
19/64 in
25/64 in
H
#14
#18
#1
#23
#25
#31
#37
#38
#46
#47
#52
15/64 in
21/64 in
35/64 in
43/64 in
61/64 in
J
Q
#11
#13
#15
#16
#19
#20
#21
#24
#26
#27
#33
#36
#39
#3
#40
#44
#45
#48
#50
#53
#55
#56
#57
#62
#69
#71
#72
#78
#8
1-1/2 in
1-5/16 in
1/16 in
1.5 mm
3/4 in
3.5 mm
5/8 in
7/16 in
9/16 in
12 mm
15/32 in
17/64 in
19/32 in
21/32 in
23/64 in
29/32 in
37/64 in
47/64 in
53/64 in
57/64 in
D
G
L
M
N
O
U
X
Bit Length (in.)
0.87 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
2 in
2.06 in
2.12 in
2.25 in
2.43 in
2.5 in
2.62 in
2.68 in
2.75 in
2.81 in
2.87 in
2.89 in
2.93 in
2.98 in
3 in
3.12 in
3.25 in
3.31 in
3.37 in
3.5 in
3.65 in
3.75 in
3.88 in
4 in
4.12 in
4.37 in
4.5 in
4.50 in
4.75 in
5 in
5.12 in
5.25 in
5.5 in
5.62 in
5.87 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
9 in
10 in
11.37 in
12 in
Bit Material
High Speed Steel
Carbide
Steel
Alloy Steel
Diamond
Cobalt
Bi-Metal
Titanium
Black Oxide
Other
Multiple
Carbon Steel
High Carbon Steel
Carbon
Tungsten
Titanium Nitride Coated
Cobalt and Carbon Steel
Number of Pieces
1 Piece
2-4 Pieces
5-10 Pieces
11-20 Pieces
21-30 Pieces
41-60 Pieces
61-100 Pieces
101+ Pieces
Material Application
Stainless Steel
Steel
Aluminum
Duct/Sheet Metal
Cast Iron
PVC
Wood
Angle Iron
Copper
Nickel
Plaster
Vinyl Flooring
Linoleum
Ceramic Tile
Gypsum
Porcelain
Shank Style
Straight
3-Flat
Hex
Round
Shank Diameter
1/2 in
1/8 in
1/4 in
3/8 in
3/8 in.
5/16 in
11/64 in
19/64 in
25/64 in
H
#14
#18
#23
#25
#31
#37
#38
#46
#47
#52
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
21/64 in
43/64 in
J
Q
#11
#13
#15
#16
#19
#20
#21
#24
#26
#27
#33
#36
#39
#3
#40
#44
#45
#48
#4
#50
#53
#55
#56
#57
#62
#69
#71
#72
#78
#8
#9
1/16 in
1.5 mm
3/32 in
3.5 mm
7/8 in
11/16 in
12 mm
15/32 in
17/32 in
17/64 in
19/32 in
21/32 in
23/64 in
35/64 in
37/64 in
D
G
L
M
N
O
U
X
Individual/Set
Individual
Set
Drilling Depth (in)
0.125
0.1875
0.3125
0.375
0.5
0.5625
0.625
0.6875
0.75
0.8125
0.86614173
0.87
0.875
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
2
2.125
2.1875
2.25
2.3125
2.375
2.5
2.5625
2.75
2.8125
2.875
2.9375
3
3.0625
3.1875
3.4375
3.625
3.75
3.875
4
4.0625
4.125
4.25
4.37007874
4.375
4.5
4.75
4.8125
5.1875
5.375
5.625
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Bit Diameter
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Bit Material: Cobalt
90 Results
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Top Rated Products
More Options Available
$
119
.
97
Was
$149.99
Save
$30.02
(20%)
(3511)
Model# 48-89-2332
Milwaukee
Cobalt Red Helix Drill Bit Set for Drill Drivers (29-Piece)
Add to Cart
Top Rated
More Options Available
$
17
.
97
Was
$23.27
Save
$5.30
(23%)
(3493)
Model# 48-89-2330
Milwaukee
Cobalt Red Helix Drill Bit Set for Drill Drivers (6-Piece)
Add to Cart
Top Rated
More Options Available
$
69
.
97
(3501)
Model# 48-89-2338
Milwaukee
Cobalt Red Helix Twist Drill Bit Set for Drill Drivers (23-Piece)
Add to Cart
Top Rated
More Options Available
Limit 5 per order
$
39
.
97
(3495)
Model# 48-89-2370
Cobalt Red Helix Drill Bit Set for Drill Drivers (15-Piece)
Add to Cart
More Options Available
$
26
.
97
(4105)
Model# 48-89-2329
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
More Options Available
$
149
.
99
Was
$209.99
Save
$60.00
(29%)
(41)
Model# 48-89-9291
Milwaukee
Cobalt Step Bit Kit (3-Piece)
Add to Cart
More Options Available
$
18
.
97
(4106)
Model# 48-89-2321
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
More Options Available
$
10
.
97
(4106)
Model# 48-89-2313
Milwaukee
1/4 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
More Options Available
$
8
.
97
Model# 48-89-2309
Milwaukee
3/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
More Options Available
$
13
.
97
(4104)
Model# 48-89-2317
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
More Options Available
$
5
.
48
(4103)
Model# 48-89-2305
Milwaukee
1/8 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Top Rated
More Options Available
$
23
.
97
(4095)
Model# 48-89-2325
Milwaukee
7/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart