Shop All Savings
Appliances
Bath & Faucets
Blinds & Window Treatment
Building Materials
Lumber & Composites
Cleaning
Decor & Furniture
Lighting & Ceiling Fans
Doors & Windows
Electrical
Flooring & Area Rugs
Hardware
Heating & Cooling
Kitchen & Kitchenware
Lawn & Garden
Outdoor Living & Patio
Paint
Plumbing
Seasonal Decor
Smart Home
Storage & Organization
Tools
Automotive
Furniture
Gift Cards
Credit Cards
View All Home Services
Tool Rental
Benefits & Services For the Pro
Project Calculators
View All DIY Projects
Local Ad
Store Finder
Site Map
#1 Home Improvement Retailer
Select store
...
...
Cart
Select store
...
...
Shop All
Services
DIY
Log In
Cart
Home
/
Tools
/
Power Tool Accessories
/
Drill Bits
DRILL BITS
Get It Fast
In Stock at Store Today
Same-Day Delivery
Filters
Filters
Clear All
Bit Diameter: 21/64 in
Get It Fast
In Stock at Store Today
Same-Day Delivery
Availability
Show Out of Stock
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
1/4 in
1/2 in
1 in
1-1/8 in
1-1/2 in
1-1/4 in
1-3/8 in
1/8 in
1-3/4 in
1-1/16 in
2 in
2-1/2 in
3/8 in
3/4 in
3/16 in
3-1/4 in
4 in
4-1/2 in
5/8 in
5/16 in
7/8 in
#2
1/4- in
3 in
3-1/2 in
5/32 in
5 in
7/16 in
9/16 in
#1
T25
3/32 in
6 in
7/64 in
9/64 in
11/16 in
#3
7/32 in
11/64 in
13/16 in
T20
13/32 in
T15
T30
#9
T10
#20
#25
#4
0
1/16 in
1-5/8 in
1-7/8 in
1-1/32 in
2-5/8 in
2-1/4 in
2-3/4 in
3/8 in.
3-1/8 in
4-1/4 in
4-1/8 in
5-1/2 in
5/64 in
7 in
9/32 in
11/32 in
13/64 in
15/32 in
15/16 in
16 mm
17/64 in
19/64 in
25/64 in
#30
#31
#8
15/64 in
#10
#38
#40
#45
#53
#57
17/32 in
21/64 in
31/64 in
Q
#16
#32
#35
#44
#5
23/64 in
29/64 in
36 mm
#11
#12
#14
#15
#18
Bit Length (in.)
2.93 in
4.49 in
4.62 in
6.5 in
Bit Material
High Speed Steel
Cobalt
Carbide
Titanium
Number of Pieces
1 Piece
5-10 Pieces
Shank Style
Straight
Round
Hex
Material Application
Stainless Steel
Cast Iron
Steel
Aluminum
Duct/Sheet Metal
Angle Iron
Copper
Nickel
PVC
Plaster
Wood
Vinyl Flooring
Linoleum
Shank Diameter
1/4 in
21/64 in
Drilling Depth (in)
1.6875
3.3125
4.125
View Results
All Filters
Category
Bit Diameter
Bit Length (in.)
Bit Material
Number of Pieces
Bit Diameter: 21/64 in
10 Results
Sort by:
Top Sellers
Top Sellers
Most Popular
Price Low to High
Price High to Low
Top Rated Products
More Options Available
$
12
.
47
(4088)
Milwaukee
Shockwave 21/64 in. Titanium Drill Bit
Add to Cart
Top Rated
More Options Available
$
6
.
97
(18)
DEWALT
21/64 in. Black and Gold Split Point Drill Bit
Add to Cart
$
17
.
61
(
$2.94
/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
More Options Available
$
25
.
27
Drill America
21/64 in. Carbide Tipped Twist Drill Bit
Add to Cart
More Options Available
$
13
.
34
(
$2.22
/unit)
(3)
Drill America
21/64 in. High Speed Steel Twist Drill Bit with Bright Finish (6-Pack)
Add to Cart
More Options Available
$
23
.
27
Drill America
21/64 in. Cobalt Taper Length Twist Drill Bit
Add to Cart
More Options Available
$
35
.
91
(
$5.99
/unit)
(1)
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)
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)
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)
Drill America
21/64 in. High Speed Steel Premium Short Drill Bit (6-Piece)
Add to Cart