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Drill Bits
3-FLAT DRILL BITS
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Shank Style: 3-Flat
Number of Pieces: 1 Piece
Get It Fast: Free 1-2 Day Delivery
Shank Diameter: 7/16 in
Shank Diameter: 5/16 in
Shank Diameter: 1/4 in
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In Stock at Store Today
Free 1-2 Day Delivery
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Department
Tools
Power Tool Accessories
Drill Bits
Step Drill Bits
Bit Holders & Extensions
Masonry Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Price
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$10 - $20
$20 - $30
$40 - $50
$50 - $100
Bit Diameter
#11
#12
#1
#5
#7
3/4 in
5/16 in
Bit Length (in.)
3 in
3.11 in
4.5 in
5.5 in
Bit Material
Black Oxide
Carbide
Number of Pieces
1 Piece
2-4 Pieces
Material Application
Aluminum
Duct/Sheet Metal
Steel
Plaster
Wood
Shank Diameter
1/4 in
1/2 in
1 in
1-1/8 in
3/8 in
3/16 in
3/8 in.
5/16 in
5/8 in
7/8 in
7/16 in
7/32 in
10 mm
Drilling Depth (in)
2.34375
2.375
3
6
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Bit Diameter
Bit Length (in.)
Bit Material
Number of Pieces
Shank Style: 3-Flat
Number of Pieces: 1 Piece
Get It Fast: Free 1-2 Day Delivery
Shank Diameter: 7/16 in
Shank Diameter: 5/16 in
Shank Diameter: 1/4 in
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$
74
.
97
(1361)
Milwaukee
7/8 in. - 1-3/8 in. #12 Black Oxide Step Drill Bit (5-Steps)
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More Options Available
$
24
.
97
(1368)
Milwaukee
1/8 in. - 1/2 in. #1 Black Oxide Step Drill Bit (13-Steps)
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$
24
.
97
(105)
Milwaukee
5-1/2 in. x 7/16 in. QUIK-LOK Universal Extension Bit
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More Options Available
$
99
.
99
(1368)
Milwaukee
1/4 in. - 1-3/8 in. #5 Black Oxide Step Drill Bit (10-Steps)
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$
44
.
99
(5)
Milwaukee
1/4 in. - 3/4 in. x 1/16 in. #3 Step Black Oxide Drill Bit
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$
10
.
97
(5)
Milwaukee
5/16 in. x 4 in. Big Hawg Carbide Pilot Bit
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Top Rated
More Options Available
$
56
.
99
(1364)
Milwaukee
7/8 in. #7 Black Oxide Step Drill Bit (1-Step)
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Top Rated
More Options Available
$
74
.
99
(1360)
Milwaukee
7/8 in. - 1-7/32 in. #11 Black Oxide Step Drilll Bit (13-Steps)
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Compare