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Home
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Drill Bits
3-FLAT DRILL BITS
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Bit Diameter: #4
Bit Diameter: 11/16 in
Bit Diameter: 5/32 in
Shank Style: 3-Flat
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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
Masonry Drill Bits
Twist 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
$40 - $50
$50 - $100
$100 - $150
Bit Diameter
0
1/4 in
1/2 in
1 in
1-3/8 in
1-1/8 in
1/4- in
1-1/4 in
1-1/16 in
1-13/64 in
3/4 in
3/8 in
5/16 in
5/8 in
#9
5/32 in
#4
3/16 in
7/8 in
9/16 in
#1
7/16 in
7 in
7/64 in
13/16 in
17/32 in
25/64 in
33/64 in
37/64 in
#11
#12
#5
#7
#8
1-19/64 in
1-3/4 in
1/16 in
1/32 in
1/8 in
2 in
2-1/2 in
3-13/16 in
3-5/8 in
3/32 in
3/8 in.
4 in
4-1/2 in
5/64 in
6 in
9/64 in
11/16 in
11/32 in
13/32 in
15/32 in
17/64 in
19/32 in
21/32 in
23/64 in
25/32 in
27/32 in
27/64 in
29/32 in
29/64 in
31/64 in
47/64 in
59/64 in
63/64 in
Bit Length (in.)
2.75 in
2.96 in
3.12 in
3.5 in
3.65 in
4.5 in
4.9 in
5.5 in
6 in
Bit Material
Carbide
Black Oxide
High Speed Steel
Cobalt
Number of Pieces
1 Piece
2-4 Pieces
11-20 Pieces
Material Application
Stainless Steel
Aluminum
Steel
Duct/Sheet Metal
PVC
Brick
Concrete
Angle Iron
Cast Iron
Copper
Nickel
Vinyl Flooring
Wood
Linoleum
Plaster
Shank Style
3-Flat
Shank Diameter
1/2 in
1/4 in
3/8 in
5/32 in
Individual/Set
Individual
Drilling Depth (in)
0.0781
0.87
1.5
2
2.125
3
3.5
4.5
5.5
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Bit Diameter
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Bit Material
Number of Pieces
Bit Diameter: #4
Bit Diameter: 11/16 in
Bit Diameter: 5/32 in
Shank Style: 3-Flat
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$
44
.
97
(1379)
Milwaukee
3/16 in. - 7/8 in. #4 Black Oxide Step Drill Bit (12-Steps)
Add to Cart
Top Rated
More Options Available
$
77
.
97
(1371)
Milwaukee
3/16 in. - 7/8 in. #4 Cobalt Step Drill Bit (12-Steps)
Add to Cart
$
139
.
00
(11)
Milwaukee
3/16 in. to 7/8 in. #4 Cobalt Step Drill Bit (2-Pack)
Add to Cart
$
81
.
87
(333)
Milwaukee
3/16 in. to 7/8 in. #4 Black Oxide Step Drill Bit 12-Steps (2-Pack)
Add to Cart
More Options Available
$
7
.
98
(
67
¢
/unit)
(84)
Drill America
5/32 in. HSS Black and Gold Contractor Drill Bit with Split Point and Round Shank (12-Pack)
Add to Cart
$
79
.
99
(15)
Milwaukee
3/16 in. - 7/8 in. x 1/16 in. #4 Step Drill Bit (2 Pack)
Add to Cart
More Options Available
$
11
.
73
(121)
Drill America
11/16 in. Contractor Grade Drill Bit with 1/2 in. 3-Flat Shank
Add to Cart
More Options Available
$
2
.
15
(32)
Simpson Strong-Tie
MDB 5/32 in. x 3-1/2 in. Carbide Masonry Titen Screw Drill Bit
Add to Cart
$
11
.
52
/package
(
$2.88
/unit)
(30)
Simpson Strong-Tie
MDB 5/32 in. x 4-1/2 in. Carbide Masonry Titen Screw Drill Bit (4-Pack)
Add to Cart
More Options Available
$
11
.
37
(
95
¢
/unit)
Drill America
5/32 in. High Speed Steel Mechanics Length Drill Bit with 3-Flat Shank (12-Pieces)
Add to Cart