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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
Get It Fast
In Stock at Store Today
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
DEWALT
Milwaukee
Price
to
Apply
$0 - $10
$10 - $20
$20 - $30
$30 - $40
Bit Diameter
1/8 in
1/4 in
1/2 in
1/16 in
3/16 in
3/8 in
3/32 in
3/4 in
5/16 in
5/32 in
5/64 in
5/8 in
7/64 in
7/16 in
7/32 in
9/64 in
9/16 in
11/64 in
11/32 in
13/32 in
15/32 in
17/64 in
21/64 in
#25
9/32 in
11/16 in
13/64 in
15/64 in
17/32 in
19/64 in
25/64 in
#30
#31
#38
#40
#45
#53
#57
23/64 in
29/64 in
31/64 in
Q
#10
#16
#1
#32
#35
#44
37/64 in
#14
#15
#18
#20
#21
#33
#34
#37
#41
#46
#47
#49
#4
#50
#51
#60
#8
1/32 in
1-1/4 in
1-1/8 in
1/64 in
3/64 in
7/8 in
13/16 in
19/32 in
21/32 in
23/32 in
27/64 in
35/64 in
63/64 in
D
#11
#12
#13
#17
#19
#23
#24
#29
#36
#39
#43
#48
#52
#55
#58
#59
#5
#7
#9
33/64 in
Material Application
Stainless Steel
Cast Iron
Steel
Aluminum
Duct/Sheet Metal
Angle Iron
Copper
Nickel
PVC
Plaster
Wood
Vinyl Flooring
Linoleum
Number of Pieces
1 Piece
5-10 Pieces
Bit Material
High Speed Steel
Cobalt
Carbide
Titanium
Bit Length (in.)
2.93 in
4.49 in
4.62 in
6.5 in
Features
No Additional Features
Shank Style
Straight
Round
Hex
Shank Diameter
1/4 in
21/64 in
Drilling Depth (in)
1.6875
3.3125
4.125
Featured Keywords
black oxide
jobber length
42 cobalt drill bits
black oxide drill bit
bright finish
cutting edge
fractional size
gold split point drill bit
hex shank
high speed steel
left hand drill
length drill bit
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
Material Application
Number of Pieces
Bit Material
Bit Length (in.)
Bit Diameter: 21/64 in
10 Results
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Price High to Low
Top Rated Products
More Options Available
$
12
.
47
(4088)
Model# 48-89-4618
Milwaukee
Shockwave 21/64 in. Titanium Drill Bit
Add to Cart
Top Rated
More Options Available
$
6
.
97
(18)
Model# DW1121 G
DEWALT
21/64 in. Black and Gold Split Point Drill Bit
Add to Cart
$
17
.
66
(
$2.94
/unit)
(3)
Model# D/ASP21/64P6
Drill America
21/64 in. High Speed Steel Black Oxide Premium General Purpose Split Point Twist Drill Bit (6-Pack)
Add to Cart
More Options Available
$
25
.
27
Model# D/ACT21/64
Drill America
21/64 in. Carbide Tipped Twist Drill Bit
Add to Cart
More Options Available
$
13
.
34
(
$2.22
/unit)
(3)
Model# D/AP21/64P6
Drill America
21/64 in. High Speed Steel Twist Drill Bit with Bright Finish (6-Pack)
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
More Options Available
$
35
.
91
(
$5.99
/unit)
(1)
Model# DWDLH21/64P6
Drill America
21/64 in. High Speed Steel Left Hand Twist Drill Bit (6-Pack)
Add to Cart
More Options Available
$
13
.
24
(
$2.21
/unit)
(1)
Model# DWDP21/64P6
Drill America
21/64 in. High Speed Steel General Purpose Twist Drill Bit with Bright Finish (6-Pack)
Add to Cart
More Options Available
$
28
.
61
(
$4.77
/unit)
(3)
Model# D/ASTCO21/64P6
Drill America
21/64 in. M42 Cobalt Short Twist Drill Bit (6-Piece)
Add to Cart
More Options Available
$
17
.
72
(
$2.95
/unit)
(1)
Model# D/AST21/64P6
Drill America
21/64 in. High Speed Steel Premium Short Drill Bit (6-Piece)
Add to Cart