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Home
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Drill Bits
3-FLAT DRILL BITS
19 Results
Shank Style: 3-Flat
Get It Fast: Same-Day Delivery
Shank Diameter: 3/8 in
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Department
Tools
Power Tool Accessories
Drill Bits
Masonry Drill Bits
Twist Drill Bits
Hole Saws
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Step Drill Bits
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$10 - $20
$20 - $30
$30 - $40
$40 - $50
$50 - $100
Bit Diameter
1/2 in
1/4 in
1 in
1-1/8 in
3/8 in
3/4 in
5/8 in
#4
#9
5/16 in
7/16 in
7/8 in
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Bit Length (in.)
1.62 in
1.94 in
2.66 in
2.95 in
2.96 in
4 in
4.5 in
5 in
5.5 in
6 in
12 in
18 in
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Bit Material
Carbide
Cobalt
Black Oxide
High Speed Steel
Bi-Metal
Material Application
Stainless Steel
Aluminum
Concrete
Duct/Sheet Metal
Steel
Brick
Cast Iron
Wood
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Number of Pieces
1 Piece
Shank Diameter
1/4 in
1 in
3/8 in
3/16 in
7/16 in
7/32 in
10 mm
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Drilling Depth (in)
.1875
1.8
2.125
4
4.0625
4.5
10
14
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Best Seller
More Options Available
$
54
.
97
(1355)
Milwaukee
7/8 in. - 1-1/8 in. #9 Black Oxide Step Drill Bit (2-Steps)
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$
44
.
97
(1358)
Milwaukee
3/16 in. - 7/8 in. #4 Black Oxide Step Drill Bit (12-Steps)
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$
25
.
47
(3946)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
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$
20
.
97
(3629)
Milwaukee
2-1/2 in. Hole Dozer Bi-Metal Hole Saw with 3/8 in. Arbor & Pilot Bit
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$
15
.
47
(3945)
Milwaukee
3/8 in. Cobalt Red Helix Twist Drill Bit
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$
7
.
47
(3945)
Milwaukee
1/4 in. Cobalt Red Helix Twist Drill Bit
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$
10
.
47
(3945)
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit
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$
21
.
97
(3937)
Milwaukee
7/16 in. Cobalt Red Helix Twist Drill Bit
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$
17
.
77
(1350)
Milwaukee
1/2 in. x 10 in. x 12 in. Carbide Hammer Drill Bit
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$
32
.
97
(1349)
Milwaukee
1 in. x 10 in. x 12 in. Carbide Hammer Drill Bit
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$
14
.
67
(1350)
Milwaukee
5/8 in. x 4 in. x 6 in. Carbide Hammer Drill Bit
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$
34
.
97
(41)
Milwaukee
7/8 in. Carbide Hole Cutter (1-Pack)
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