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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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Bit Diameter: 21/64 in
Bit Diameter: A
Individual/Set: Individual
Get It Fast
In Stock at Store Today
Next-Day Delivery
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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
CLE-LINE
DEWALT
Milwaukee
Price
to
Apply
$0 - $10
$10 - $20
$20 - $30
$30 - $40
$40 - $50
Bit Diameter
1/8 in
1/4 in
1/2 in
3/16 in
3/8 in
5/16 in
5/32 in
13/32 in
#15
#18
#27
#34
9/64 in
11/64 in
M
#12
#13
#24
#2
#38
#39
#49
15/32 in
17/64 in
19/64 in
A
B
D
Z
#14
#23
#37
#46
#47
#4
#59
#5
1/16 in
3/32 in
7/16 in
7/64 in
31/64 in
Y
#22
#25
#45
#48
#51
#52
#6
11/32 in
13/64 in
21/64 in
25/64 in
C
G
K
S
T
#16
#17
#1
#20
#31
#35
#44
#53
#57
#8
9/32 in
15/64 in
23/64 in
N
O
W
X
#26
#30
#32
#33
#3
#41
#55
#60
7/32 in
11/16 in
17/32 in
29/64 in
37/64 in
H
I
J
L
Q
#10
#19
#40
#56
#58
#9
Bit Material
High Speed Steel
Cobalt
Carbide
Titanium
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
Material Application
Stainless Steel
Cast Iron
Steel
Aluminum
Angle Iron
Copper
Duct/Sheet Metal
Nickel
PVC
Plaster
Wood
Vinyl Flooring
Linoleum
Gypsum
Bit Length (in.)
2.43 in
2.93 in
3.87 in
4.49 in
4.62 in
6 in
12 in
Shank Style
Straight
Round
Hex
Features
No Additional Features
Shank Diameter
A
1/4 in
5.9 mm
21/64 in
Drilling Depth (in)
1.3125
1.375
1.6875
2.625
3.3125
3.875
Featured Keywords
42 cobalt drill bits
black oxide drill bit
black oxide
bright finish
cutting edge
fractional size
gold split point drill bit
hex shank
high speed steel
jobber length
left hand drill
longer life
quad edge tip
rapid chip removal
red helix
reverse drill
shockwave impact duty bits
split point
stub length
tapered drill bit
titanium coating
variable helix
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Bit Diameter
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Number of Pieces
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Bit Length (in.)
Bit Diameter: 21/64 in
Bit Diameter: A
Individual/Set: Individual
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20 Results
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Top Rated Products
More Options Available
$
10
.
97
(3945)
Milwaukee
Shockwave 21/64 in. Titanium Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
5
.
97
(16)
DEWALT
21/64 in. Black and Gold Split Point Drill Bit
Add to Cart
Compare
More Options Available
$
14
.
79
(
$2.47
/unit
)
(3)
Drill America
21/64 in. High Speed Steel Twist Drill Bit with Bright Finish (6-Pack)
Add to Cart
Compare
More Options Available
$
14
.
15
(
$2.36
/unit
)
(1)
Drill America
21/64 in. High Speed Steel General Purpose Twist Drill Bit with Bright Finish (6-Pack)
Add to Cart
Compare
More Options Available
$
19
.
68
(
$3.28
/unit
)
(3)
Drill America
21/64 in. High Speed Steel Black Oxide Premium General Purpose Split Point Twist Drill Bit (6-Pack)
Add to Cart
Compare
More Options Available
$
32
.
63
(
$5.44
/unit
)
(3)
Drill America
21/64 in. M42 Cobalt Short Twist Drill Bit (6-Piece)
Add to Cart
Compare
More Options Available
$
17
.
46
(
$2.91
/unit
)
(1)
Drill America
21/64 in. High Speed Steel Premium Short Drill Bit (6-Piece)
Add to Cart
Compare
More Options Available
$
17
.
65
(
$1.47
/unit
)
Drill America
A High Speed Steel General Purpose Short Twist Drill Bit (12-Piece)
Add to Cart
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More Options Available
$
6
.
27
(1)
Drill America
A x 6 in. High Speed Steel Aircraft Extension Drill Bit
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$
12
.
13
(
$1.01
/unit
)
(3)
Drill America
A High Speed Steel General Purpose Black Oxide Twist Drill Bit (12-Pack)
Add to Cart
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More Options Available
$
22
.
97
/package
(
$1.91
/unit
)
(1)
CLE-LINE
1878 A High Speed Steel Heavy-Duty Jobber Length Drill Bit (12-Piece)
Add to Cart
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More Options Available
$
39
.
72
(
$6.62
/unit
)
(1)
Drill America
21/64 in. High Speed Steel Left Hand Twist Drill Bit (6-Pack)
Add to Cart
Compare