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Drill Bits
3-FLAT DRILL BITS
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Shank Style: 3-Flat
Bit Length (in.): 4.12 in
Bit Length (in.): 4.5 in
Bit Length (in.): 4.75 in
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Same-Day Delivery
Availability
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Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
Masonry Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Milwaukee
Simpson Strong-Tie
Drill America
Price
to
Apply
$0 - $10
$10 - $20
$20 - $30
$50 - $100
$100 - $150
Bit Diameter
1/32 in
3/16 in
5/16 in
5/32 in
11/32 in
Bit Length (in.)
0.18 in
0.5 in
1 in
1.0 in
1.6 in
1.61 in
1.62 in
1.75 in
1.87 in
1.88 in
1.94 in
2 in
2.25 in
2.37 in
2.5 in
2.62 in
2.66 in
2.75 in
2.87 in
2.89 in
2.91 in
2.95 in
2.96 in
2.98 in
3 in
3.11 in
3.12 in
3.5 in
3.65 in
3.75 in
3.88 in
4 in
4.12 in
4.18 in
4.31 in
4.5 in
4.62 in
4.75 in
4.8 in
4.9 in
5 in
5.12 in
5.25 in
5.37 in
5.5 in
5.75 in
5.87 in
6 in
10 in
12 in
18 in
21 in
24 in
36 in
52 in
54 in
72 in
Bit Material
Carbide
Cobalt
High Speed Steel
Black Oxide
Number of Pieces
1 Piece
2-4 Pieces
5-10 Pieces
11-20 Pieces
Material Application
Stainless Steel
Aluminum
Duct/Sheet Metal
Steel
Cast Iron
Brick
Concrete
Wood
PVC
Angle Iron
Copper
Linoleum
Nickel
Plaster
Vinyl Flooring
Shank Style
3-Flat
Shank Diameter
3/8 in
3/16 in
5/16 in
5/32 in
11/32 in
Individual/Set
Individual
Drilling Depth (in)
2.34375
2.5625
3.1875
4.5
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Bit Diameter
Bit Length (in.)
Bit Material
Number of Pieces
Shank Style: 3-Flat
Bit Length (in.): 4.12 in
Bit Length (in.): 4.5 in
Bit Length (in.): 4.75 in
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9 Results
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Top Rated Products
More Options Available
$
13
.
97
(4104)
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
$
10
.
97
(5)
Milwaukee
5/16 in. x 4 in. Big Hawg Carbide Pilot Bit
Add to Cart
More Options Available
$
23
.
21
(
$1.93
/unit)
(84)
Drill America
5/16 in. HSS Black and Gold Contractor Drill Bit with Split Point and 3-Flat Shank (12-Pack)
Add to Cart
More Options Available
$
51
.
97
(
$10.39
/unit)
(402)
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Top Rated
More Options Available
$
3
.
29
(4095)
Milwaukee
11/32 in. Thunderbolt Black Oxide Drill Bit
Add to Cart
$
6
.
56
/package
(
$1.64
/unit)
(30)
Simpson Strong-Tie
MDB 3/16 in. x 4-1/2 in. Carbide Masonry Titen Screw Drill Bit (4-Pack)
Add to Cart
More Options Available
$
2
.
77
(32)
Simpson Strong-Tie
MDB 3/16 in. x 4-1/2 in. Carbide Masonry Titen Screw Drill Bit
Add to Cart
More Options Available
$
129
.
00
(
$12.90
/unit)
(292)
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
Add to Cart
More Options Available
$
17
.
75
(
$2.96
/unit)
Drill America
11/32 in. High Speed Steel Mechanics Length Drill Bit with 3-Flat Shank (6-Pieces)
Add to Cart