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Drill Bits
COBALT DRILL BITS
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Bit Material: Cobalt
Drilling Depth (in): 0.3125
Drilling Depth (in): 1.5625
Drilling Depth (in): 4.8125
Drilling Depth (in): 2.3125
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Next-Day Delivery
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
$30 - $40
$50 - $100
Bit Diameter
3/16 in
35/64 in
#8
#9
9/16 in
13/64 in
37/64 in
L
Bit Length (in.)
2.75 in
3.5 in
6 in
6.62 in
12 in
Bit Material
Cobalt
High Speed Steel
Number of Pieces
1 Piece
11-20 Pieces
Shank Style
Straight
Material Application
Stainless Steel
Aluminum
Duct/Sheet Metal
Steel
Angle Iron
Cast Iron
Copper
PVC
Wood
Nickel
Plaster
Vinyl Flooring
Linoleum
Shank Diameter
3/8 in
#8
#9
1/2 in
3/16 in
13/64 in
35/64 in
37/64 in
L
Individual/Set
Individual
Drilling Depth (in)
0.125
0.1875
0.375
0.5
0.5625
0.625
0.6875
0.75
0.8125
0.86614173
0.87
0.875
.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
2.75
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
6.125
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All Filters
Category
Bit Diameter
Bit Length (in.)
Bit Material
Number of Pieces
Bit Material: Cobalt
Drilling Depth (in): 0.3125
Drilling Depth (in): 1.5625
Drilling Depth (in): 4.8125
Drilling Depth (in): 2.3125
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8 Results
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Top Sellers
More Options Available
$
8
.
97
(4112)
Model# 48-89-2309
Milwaukee
3/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
More Options Available
$
17
.
38
/inch
(52)
Model# D/ACO9/16
Drill America
9/16 in. M42 Cobalt Reduced Shank Drill Bit with 1/2 in. Shank
Add to Cart
$
15
.
77
(
$1.31
/unit)
(26)
Model# DWDCO3/16P12
Drill America
3/16 in. M35 Cobalt Drill Bit (12-Piece)
Add to Cart
More Options Available
$
3
.
89
(129)
Model# GLBCOX613/64
Drill America
13/64 in. x 6 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
$
36
.
42
(5)
Model# D/ACO3/8X35/64
Drill America
35/64 in. M42 Cobalt Reduced Shank Twist Drill Bit with 3/8 in. Shank
Add to Cart
More Options Available
$
31
.
62
(35)
Model# D/ACOJ35/64
Drill America
35/64 in. M42 Cobalt Drill Bit
Add to Cart
$
59
.
05
(
$4.92
/unit)
Model# D/ASTCOLP12
Drill America
L M42 Cobalt Short Drill Bit (12-Piece)
Add to Cart
More Options Available
$
9
.
00
(8)
Model# GLBCOX128
Drill America
#8 x 12 in. Cobalt Aircraft Extension Drill Bit
Add to Cart