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Drill Bits
3-Flat Drill Bits
50 Results
Shank Style: 3-Flat
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Bit Diameter
1/4 in
1/2 in
1 in
1-1/8 in
3/8 in
3/4 in
5/16 in
5/8 in
7 in
#12
#1
#4
#9
7/16 in
7/8 in
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Bit Length (in.)
1.0 in
1.62 in
1.88 in
1.94 in
2.66 in
2.95 in
2.96 in
3 in
3.11 in
3.5 in
3.75 in
4 in
4.5 in
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5.5 in
6 in
10 in
12 in
18 in
54 in
72 in
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Bit Material
Carbide
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Steel
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Number of Pieces
1 Piece
2-4 Pieces
5-10 Pieces
11-20 Pieces
21-30 Pieces
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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Material Application
Stainless Steel
Concrete
Duct/Sheet Metal
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Aluminum
Brick
Wood
Cast Iron
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Ceramic Tile
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Individual/Set
Individual
Set
Drilling Depth (in)
.1875
0.5
1.5
1.8
2.125
2.375
3
3.5
4
4.0625
4.5
8
10
14
18
52
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Best Seller
More Options Available
$
54
.
97
(1353)
Milwaukee
7/8 in. - 1-1/8 in. #9 Black Oxide Step Drill Bit (2-Steps)
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Top Rated
More Options Available
$
74
.
97
(1348)
Milwaukee
7/8 in. - 1-3/8 in. #12 Black Oxide Step Drill Bit (5-Steps)
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Top Rated
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$
64
.
97
(3433)
Milwaukee
Cobalt Red Helix Twist Drill Bit Set for Drill Drivers (23-Piece)
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Top Rated
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$
44
.
97
(1356)
Milwaukee
3/16 in. - 7/8 in. #4 Black Oxide Step Drill Bit (12-Steps)
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Top Rated
$
33
.
97
(820)
Milwaukee
Door Lock Installation Bi-Metal Hole Saw Set
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Top Rated
$
23
.
97
(517)
Milwaukee
Carbide Glass and Tile Drill Bit Set (4-Pack)
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$
25
.
47
(435)
Milwaukee
Carbide Natural Stone Drill Bit Set (4-Pack)
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$
49
.
97
(485)
Milwaukee
Black Oxide Step Drill Bit Set (10-Piece)
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$
25
.
47
(3919)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
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$
18
.
97
(3610)
Milwaukee
2 in. Hole Dozer Bi-Metal Hole Saw with 3/8 in. Arbor & Pilot Bit
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$
42
.
97
(1061)
Milwaukee
2 in. to 7 in. Black Oxide Adjustable Hole Saw Cutter
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Top Rated
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$
24
.
97
(1355)
Milwaukee
1/8 in. - 1/2 in. #1 Black Oxide Step Drill Bit (13-Steps)
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