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Home
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Drill Bits
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Twist Drill Bits
TWIST DRILL BITS
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Shank Diameter: #55
Shank Diameter: 15/64 in
Shank Diameter: 3/8 in
Shank Diameter: #41
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Next-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
DEWALT
CLE-LINE
POWERTEC
Price
to
Apply
$0 - $10
$10 - $20
$20 - $30
$30 - $40
$50 - $100
$100 - $150
$150 - $200
Special Values
Bit Diameter
3/8 in
#41
#55
1/2 in
1/4 in
1/8 in
1/32 in
3/16 in
3/32 in
3/4 in
5/16 in
5/32 in
5/8 in
7/16 in
7/64 in
9/16 in
9/64 in
11/16 in
13/32 in
13/16 in
15/64 in
15/32 in
17/32 in
23/32 in
25/64 in
27/64 in
31/64 in
33/64 in
35/64 in
37/64 in
45/64 in
47/64 in
Material Application
Stainless Steel
Steel
Cast Iron
Aluminum
Duct/Sheet Metal
Wood
PVC
Angle Iron
Copper
Nickel
Plaster
Vinyl Flooring
Linoleum
Gypsum
Fiberglass
Bit Length (in.)
1.62 in
1.81 in
1.87 in
2.25 in
2.37 in
2.43 in
2.62 in
2.75 in
2.87 in
3.12 in
3.5 in
3.87 in
4 in
4.25 in
4.5 in
4.75 in
5 in
5.12 in
5.25 in
5.37 in
5.5 in
5.75 in
5.87 in
6 in
6.75 in
12 in
Number of Pieces
1 Piece
2-4 Pieces
5-10 Pieces
11-20 Pieces
Bit Material
High Speed Steel
Cobalt
Black Oxide
Shank Diameter
1/2 in
1/4 in
1/8 in
3/8 in
3/4 in
#15
#18
#27
#34
3/16 in
5/16 in
#12
#13
#24
#2
#38
#39
#49
11/64 in
B
D
M
#14
#23
#37
#46
#47
#4
#59
#5
13/32 in
17/64 in
19/64 in
A
Y
Z
#22
#25
#45
#48
#51
#52
#6
5/32 in
9/64 in
21/64 in
31/64 in
C
S
T
#16
#17
#1
#20
#31
#35
#41
#44
#53
#57
#8
1/16 in
7/64 in
9/32 in
11/32 in
13/64 in
15/32 in
G
K
N
O
W
X
#26
#30
#32
#33
#3
#60
29/64 in
H
I
J
Q
V
#10
#19
#40
#55
#56
#58
#9
3/32 in
5/64 in
7/32 in
15/64 in
23/64 in
25/64 in
L
#21
Features
No Additional Features
Shank Style
Straight
3-Flat
Round
Drilling Depth (in)
0.625
0.8125
0.875
1.25
1.3125
1.37
1.375
1.5
1.625
1.81
1.875
2.3125
2.375
2.625
3
3.1875
3.56
3.62
3.625
3.75
3.9375
4
4.0625
4.25
4.3125
4.375
4.5
4.8125
5
7.36
7.83
8.26
10
Individual/Set
Individual
Featured Keywords
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black oxide drill bit
3/8 in. shank
hard metal
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cobalt alloy
variable helix
2 high speed steel
3/8 in. dia
high speed steel
longer life
precision start
drill bit shank
fast drilling
3 flat shank
black oxide
gold coating
gold split point drill bit
overall length
secure grip
135 degree
135 degree split point
135 ° split point
black oxide treatment
drilling metal
gold drill bit
jobber length
left hand drill
quadedge tip
reverse drill
split point
1/2 in. drill bit
5/32 in. drill bit
6 in. aircraft extension drill
35 cobalt drill bits
black oxide coating
black oxide finish
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cobalt drills
cobalt twist
curved surfaces
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long life
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shank diameter
split point tip design
split point tip
standard length
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Bit Diameter
Material Application
Bit Length (in.)
Number of Pieces
Bit Material
Shank Diameter: #55
Shank Diameter: 15/64 in
Shank Diameter: 3/8 in
Shank Diameter: #41
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Top Rated Products
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$
10
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97
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1/4 in. Cobalt Red Helix Twist Drill Bit
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26
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1/2 in. Cobalt Red Helix Twist Drill Bit
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$
18
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97
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3/8 in. Cobalt Red Helix Twist Drill Bit
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$
13
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97
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DEWALT
1/2 in. Black and Gold Split Point Twist Drill Bit
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$
19
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97
(1308)
DEWALT
1/2 in. x 12 in. Black and Gold Twist Drill Bit
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Top Rated
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$
8
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97
(3991)
Milwaukee
3/16 in. Cobalt Red Helix Twist Drill Bit
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$
16
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97
(1308)
DEWALT
3/8 in. x 12 in. Black and Gold Twist Drill Bit
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$
13
.
97
(3991)
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit
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$
7
.
97
(685)
DEWALT
3/8 in. Black and Gold Split Point Twist Drill Bit
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$
23
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97
(3983)
Milwaukee
7/16 in. Cobalt Red Helix Twist Drill Bit
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$
6
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97
Milwaukee
5/32 in. Cobalt Red Helix Twist Drill Bit
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Top Rated
More Options Available
$
10
.
97
(206)
DEWALT
7/16 in. Black and Gold Split Point Drill Bit
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