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Home
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Drill Bits
COBALT DRILL BITS
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Bit Diameter: 13/64 in
Bit Diameter: #17
Bit Diameter: 5/16 in
Bit Diameter: #9
Bit Material: Cobalt
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Milwaukee
BLU-MOL
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1/8 in
1/2 in
1/4 in
3/8 in
5/16 in
#9
3/32 in
5/32 in
5/64 in
9/64 in
11/64 in
#4
3/16 in
7/64 in
7/32 in
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9/32 in
11/16 in
13/32 in
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19/64 in
25/64 in
H
#14
#18
#1
#23
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#31
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13/64 in
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61/64 in
J
#11
#13
#15
#16
#19
#20
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#53
#55
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#8
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12 mm
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Bit Length (in.)
1.12 in
2.81 in
3.75 in
3.88 in
4.5 in
6 in
6.37 in
12 in
Individual/Set
Individual
Shank Diameter
1/4 in
3/8 in
3/8 in.
5/16 in
13/64 in
#9
Drilling Depth (in)
1.12
1.5625
1.625
2.8125
3.1875
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Bit Diameter: 13/64 in
Bit Diameter: #17
Bit Diameter: 5/16 in
Bit Diameter: #9
Bit Material: Cobalt
Clear All
12 Results
Sort by
Top Sellers
+more available options
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit
(4.1 /
4141
)
Model# 48-89-2317
$
13
.
97
Add to Cart
Top Rated
+more available options
Milwaukee
7/8 in. - 1-1/8 in. #9 Cobalt Step Drill Bit (2-Steps)
(4.2 /
1377
)
Model# 48-89-9289
$
99
.
97
Add to Cart
Milwaukee
7/8 in. to 1-1/8 in. x #9 Cobalt Step Drill Bit (2-Pack)
(5 /
10
)
Model# 48-89-9289-48-89-9289
$
179
.
00
Add to Cart
+more available options
Milwaukee
13/64 in. Cobalt Red Helix Drill Bit
(4.1 /
4141
)
Model# 48-89-2310
$
6
.
18
Add to Cart
+more available options
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
(4.2 /
404
)
Model# 48-89-2317-X5
$
51
.
97
(
$10.39
/unit
)
Add to Cart
+more available options
Drill America
5/16 in. x 12 in. Cobalt Aircraft Extension Drill Bit
(4.8 /
51
)
Model# GLBCOX125/16
$
15
.
03
Add to Cart
+more available options
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
(4 /
292
)
Model# 48-89-2317-X10
$
129
.
00
(
$12.90
/unit
)
Add to Cart
+more available options
Drill America
5/16 in. x 6 in. Cobalt Aircraft Extension Drill Bit
(4.7 /
129
)
Model# GLBCOX65/16
$
9
.
28
Add to Cart
BLU-MOL
1/4 in. to 1-1/8 in. - #9 Cobalt Spiral Step Drill Bit (15-Steps)
(5 /
1
)
Model# E0102784
$
59
.
72
Add to Cart
+more available options
Drill America
5/16 in. Cobalt Taper Length Twist Drill Bit
Model# DWDTLCO5/16
$
22
.
78
Add to Cart
+more available options
Drill America
5/16 in. M42 Cobalt Short Twist Drill Bit (12-Piece)
(1 /
3
)
Model# D/ASTCO5/16P12
$
49
.
93
(
$4.16
/unit
)
Add to Cart
+more available options
Drill America
#9 x 12 in. Cobalt Aircraft Extension Drill Bit
(4.8 /
8
)
Model# GLBCOX129
$
8
.
25
Add to Cart