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Home
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Drill Bits
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Twist Drill Bits
COBALT DRILL AMERICA TWIST DRILL BITS
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Brand: Drill America
Bit Diameter: 1/4 in
Bit Diameter: 21/64 in
Bit Diameter: 37/64 in
Bit Diameter: D
Bit Material: Cobalt
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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
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$0 - $10
$20 - $30
$30 - $40
Brand
Drill America
Milwaukee
Bit Diameter
5/16 in
11/64 in
25/64 in
H
#14
#18
#23
#25
#31
#37
#38
#46
#47
#52
1/2 in
1/4 in
3/16 in
5/32 in
7/8 in
9/32 in
11/16 in
15/64 in
17/32 in
19/64 in
21/64 in
35/64 in
61/64 in
J
Q
#11
#13
#15
#16
#19
#20
#21
#24
#26
#27
#33
#36
#39
#3
#40
#44
#45
#48
#4
#50
#53
#55
#56
#57
#62
#69
#71
#72
#78
#8
#9
1-1/2 in
1-5/16 in
1/8 in
1.5 mm
3/32 in
3/4 in
3/8 in
3.5 mm
5/64 in
5/8 in
7/32 in
7/64 in
9/16 in
9/64 in
12 mm
13/32 in
13/64 in
15/32 in
17/64 in
19/32 in
21/32 in
23/64 in
29/32 in
37/64 in
43/64 in
47/64 in
53/64 in
57/64 in
D
G
L
M
N
O
U
X
Material Application
Stainless Steel
Aluminum
Angle Iron
Cast Iron
Copper
Duct/Sheet Metal
Nickel
PVC
Plaster
Steel
Wood
Vinyl Flooring
Linoleum
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
Bit Material
High Speed Steel
Cobalt
Carbide
Features
No Additional Features
Bit Length (in.)
2.93 in
4 in
6.5 in
6.62 in
12 in
Shank Diameter
1/4 in
21/64 in
37/64 in
D
Shank Style
Straight
Drilling Depth (in)
1.25
1.6875
2.75
4.125
4.8125
Individual/Set
Individual
Featured Keywords
black oxide
2 high speed steel
42 cobalt drill bits
cobalt aircraft extension
cobalt steel tool
extra length
gold oxide
high speed steel
jobber length
length drill bit
nickel alloy
right-hand cut
round shank
split point
stub length
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Bit Diameter
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Brand: Drill America
Bit Diameter: 1/4 in
Bit Diameter: 21/64 in
Bit Diameter: 37/64 in
Bit Diameter: D
Bit Material: Cobalt
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More Options Available
$
9
.
01
(49)
Model# GLBCOX121/4
Drill America
1/4 in. x 12 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
More Options Available
$
24
.
50
(
$2.04
/unit)
(35)
Model# D/ACO1/4P12
Drill America
1/4 in. M42 Cobalt Drill Bit (12-Piece)
Add to Cart
More Options Available
$
23
.
27
Model# DWDTLCO21/64
Drill America
21/64 in. Cobalt Taper Length Twist Drill Bit
Add to Cart
$
33
.
63
(
$2.80
/unit)
(1)
Model# DWDCODP12
Drill America
D M35 Cobalt Drill Bit (12-Piece)
Add to Cart
More Options Available
$
28
.
28
(
$4.71
/unit)
(3)
Model# D/ASTCO21/64P6
Drill America
21/64 in. M42 Cobalt Short Twist Drill Bit (6-Piece)
Add to Cart