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
Me
Cart
...
Home
/
Tools
/
Power Tool Accessories
/
Drill Bits
/
Twist Drill Bits
3-Flat Twist Drill Bits
57 Results
Shank Style: 3-Flat
Sort by:
Top Sellers
Top Sellers
Most Popular
Price Low to High
Price High to Low
Top Rated Products
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Same-Day Delivery
Availability
Show Unavailable Products
Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
0
Please choose a rating
Brand
Drill America
Milwaukee
CLE-LINE
Klein Tools
DEWALT
MIBRO
RYOBI
STARK USA
Stark
WEN
XtremepowerUS
+ View All
Price
to
Go
$0 - $10
$10 - $20
$20 - $30
$30 - $40
$40 - $50
$50 - $100
$100 - $150
$150 - $200
$200 - $250
$300 - $400
$400 - $500
Special Values
+ View All
Bit Diameter
1/4 in
1/2 in
1 in
1-1/16 in
1-1/4 in
1-1/8 in
1-13/64 in
1-19/64 in
1/16 in
1/32 in
1/8 in
3/8 in
3/16 in
3/32 in
3/4 in
5/16 in
5/32 in
5/8 in
5/64 in
7/16 in
7/64 in
7/8 in
9/16 in
9/64 in
11/16 in
11/32 in
13/16 in
15/32 in
17/32 in
17/64 in
19/32 in
19/64 in
21/32 in
23/64 in
25/64 in
25/32 in
27/64 in
27/32 in
29/32 in
29/64 in
31/64 in
33/64 in
37/64 in
47/64 in
57/64 in
59/64 in
61/64 in
63/64 in
+ View All
Bit Material
High Speed Steel
Cobalt
Black Oxide
Titanium
Multiple
Carbon Steel
Steel
Titanium Nitride Coated
+ View All
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
21-30 Pieces
31-40 Pieces
41-60 Pieces
61-100 Pieces
101+ Pieces
+ View All
Material Application
Stainless Steel
Duct/Sheet Metal
Steel
Wood
Aluminum
PVC
Cast Iron
Angle Iron
Copper
Nickel
Vinyl Flooring
Plaster
Linoleum
Gypsum
Fiberglass
Ceramic Tile
Porcelain
+ View All
Bit Length (in.)
1.875 in
2 in
2.25 in
2.375 in
2.625 in
2.75 in
2.875
3.125 in
3.5 in
3.75 in
4 in
4
4.125 in
4.1875 in
4.3125 in
4.5 in
4.5
4.625 in
4.75 in
4.75
4.875 in
5 in
5
5.125 in
5.375 in
5.5 in
5.75 in
5.875 in
6 in
12 in
+ View All
Shank Style
3-Flat
Hex
Features
No Additional Features
Shank Diameter
1/2 in
1/4 in
1/16 in
1/8 in
3/8 in
3/16 in
3/32 in
5/32 in
5/16 in
5/64 in
7/64 in
9/64 in
11/32 in
15/32 in
17/64 in
19/64 in
23/64 in
25/64 in
27/64 in
29/64 in
31/64 in
+ View All
Drilling Depth (in)
0.875
1
1.125
1.25
1.375
1.5
1.625
2
2.25
2.3125
2.5625
2.625
2.75
2.9375
3
3.125
3.1875
3.625
3.75
3.9375
4
4.0625
4.3125
4.375
4.5
5.1875
6
10
+ View All
Individual/Set
Individual
Set
Featured Keywords
drill chuck
precision start
3/8 in. dia
3 flat shank
3/8 in. shank
black oxide drill bit
fast drilling
hard metal
secure grip
long life
2 high speed steel
variable helix
cobalt alloy
1/2 in. shank
bits core
longer life
killer force drill
29 piece
135 degree
curved surfaces
drill bit
gold drill
parabolic flute
quadedge tip
titanium coating
135 ° split point
black oxide drill bit set
black oxide finish
drill driver
general purpose drill
job site
mechanic length drill
overall length
split point tip
split point
standard drill
thicker core
titanium drill bit set
1/2 in. drill bit
1/4 in. quick change hex shank
10x life
20 piece
21 piece
23 piece
135 split point
bit cool
bit size
black oxide coating
black oxide treatment
black oxide
brad point bits
brad point tip
bright finish
carrying case
chip breaker
cobalt twist
corrosion resistant
drill press
drilling metal
enhanced tapered web
extended length
extreme durability
hard metal application
high-speed bit
high-speed drill bit
impact driver
prevent bit
reduced shank
rubber corner
shank diameter
spade bit
storage case
tapered web
titanium coated drill bit set
various size
wood case
work surface
+ View All
Top Rated
More Options Available
$
149
.
99
(3424)
Milwaukee
Cobalt Red Helix Drill Bit Set for Drill Drivers (29-Piece)
Add to Cart
Compare
Top Rated
More Options Available
$
64
.
97
(3418)
Milwaukee
Cobalt Red Helix Twist Drill Bit Set for Drill Drivers (23-Piece)
Add to Cart
Compare
Top Rated
More Options Available
$
25
.
47
(3909)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
451
.
11
(1352)
Milwaukee
Cobalt Red Helix Drill Bit Set for Drill Drivers (87-Piece)
Add to Cart
Compare
More Options Available
$
15
.
47
(3908)
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
7
.
47
(3908)
Milwaukee
1/4 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
10
.
47
(3908)
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
21
.
97
(3900)
Milwaukee
7/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
92
.
97
(3414)
Milwaukee
Titanium Drill Bit Set (29-Piece)
Add to Cart
Compare
Top Rated
More Options Available
$
64
.
97
(3415)
Milwaukee
Black Oxide Drill Bit Set (29-Piece)
Add to Cart
Compare
Exclusive
$
15
.
77
(148)
RYOBI
Wood Drilling Set (11-Piece)
Add to Cart
Compare
Top Rated
More Options Available
$
19
.
97
$29.97
Save
$10.00
(33%)
(3419)
Milwaukee
Black Oxide Twist Drill Bit Set (21-Piece)
Add to Cart
Compare