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Twist Drill Bits
Highly Rated 3-Flat Twist Drill Bits
Shop highly rated products based on our customer reviews
44 Results
Review Rating: Highly Rated
Shank Style: 3-Flat
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Tools
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Drill Bits
Twist Drill Bits
Brand
Drill America
Milwaukee
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RYOBI
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Special Values
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Review Rating
5
4 & Up
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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
5/8 in
5/32 in
5/64 in
7/16 in
7/64 in
7/8 in
9/16 in
11/16 in
13/16 in
15/32 in
17/32 in
19/32 in
21/32 in
25/32 in
25/64 in
27/32 in
27/64 in
29/32 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
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Bit Material
High Speed Steel
Cobalt
Black Oxide
Multiple
Titanium
Steel
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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
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Bit Length (in.)
1.87 in
2 in
2.25 in
2.62 in
2.75 in
3.12 in
3.5 in
4 in
4.5 in
4.75 in
5 in
5.12 in
5.37 in
5.5 in
5.75 in
5.87 in
6 in
12 in
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Material Application
Stainless Steel
Duct/Sheet Metal
Wood
Steel
Aluminum
PVC
Cast Iron
Angle Iron
Copper
Nickel
Vinyl Flooring
Plaster
Linoleum
Fiberglass
Ceramic Tile
Porcelain
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Shank Diameter
1/2 in
1/16 in
1/4 in
1/8 in
3/8 in
3/16 in
3/32 in
5/16 in
5/32 in
5/64 in
7/64 in
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Shank Style
3-Flat
Hex
Features
No Additional Features
Drilling Depth (in)
0.875
1
1.25
1.5
1.625
2
2.3125
2.75
3
3.1875
3.625
3.75
3.9375
4
4.0625
4.3125
4.375
4.5
5.1875
10
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Individual/Set
Individual
Set
Featured Keywords
drill chuck
precision start
black oxide drill bit
fast drilling
secure grip
3/8 in. dia
3 flat shank
hard metal
long life
variable helix
3/8 in. shank
cobalt alloy
1/2 in. shank
bits core
longer life
1/2 in. drill bit
1/4 in. quick change hex shank
2 high speed steel
29 piece
135 degree
curved surfaces
drill bit
parabolic flute
quadedge tip
135 ° split point
black oxide drill bit set
drill driver
general purpose drill
job site
overall length
split point tip
split point
standard drill
titanium coating
titanium drill bit set
10x life
20 piece
21 piece
23 piece
bit cool
bit size
black oxide coating
black oxide finish
black oxide treatment
black oxide
brad point bits
brad point tip
bright finish
carrying case
chip breaker
cobalt twist
corrosion resistant
drill press
enhanced tapered web
extended length
extreme durability
hard metal application
high-speed drill bit
impact driver
prevent bit
reduced shank
rubber corner
shank diameter
spade bit
storage case
tapered web
thicker core
titanium coated drill bit set
various size
work surface
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More Options Available
$
7
.
47
(3920)
Milwaukee
1/4 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
64
.
97
(3437)
Milwaukee
Cobalt Red Helix Twist Drill Bit Set for Drill Drivers (23-Piece)
Add to Cart
Compare
Top Rated
More Options Available
$
149
.
99
(3443)
Milwaukee
Cobalt Red Helix Drill Bit Set for Drill Drivers (29-Piece)
Add to Cart
Compare
Top Rated
More Options Available
$
25
.
47
(3921)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
451
.
11
(1353)
Milwaukee
Cobalt Red Helix Drill Bit Set for Drill Drivers (87-Piece)
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More Options Available
$
15
.
47
(3920)
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
More Options Available
$
10
.
47
(3920)
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit
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Compare
Top Rated
More Options Available
$
21
.
97
(3912)
Milwaukee
7/16 in. Cobalt Red Helix Twist Drill Bit
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Compare
Top Rated
More Options Available
$
92
.
97
(3433)
Milwaukee
Titanium Drill Bit Set (29-Piece)
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Top Rated
More Options Available
$
64
.
97
(3434)
Milwaukee
Black Oxide Drill Bit Set (29-Piece)
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Compare
Exclusive
$
15
.
77
(148)
RYOBI
Wood Drilling Set (11-Piece)
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Top Rated
More Options Available
$
19
.
97
$29.97
Save
$10.00
(33%)
(3438)
Milwaukee
Black Oxide Twist Drill Bit Set (21-Piece)
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Compare