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Drill Bits
DRILL BITS
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Bit Diameter: #4
Bit Diameter: D
Bit Diameter: #57
Bit Material: Cobalt
Bit Material: Black Oxide
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In Stock at Store Today
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Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
Step Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Drill America
Milwaukee
Price
to
Apply
$0 - $10
$10 - $20
$30 - $40
$40 - $50
$50 - $100
$100 - $150
Bit Diameter
1/8 in
5/16 in
#9
1/4 in
#4
1/2 in
3/16 in
3/32 in
5/32 in
7/64 in
11/64 in
#23
#27
#37
#47
3/8 in
7/16 in
9/64 in
13/32 in
17/32 in
19/64 in
35/64 in
H
#12
#13
#14
#18
#1
#22
#24
#38
#39
#46
#5
#8
25/64 in
37/64 in
B
D
G
J
N
O
X
Y
#11
#15
#16
#25
#31
#3
#41
#48
#49
#51
#52
#53
#56
#57
#59
#61
#63
#6
#77
#79
#80
3/4 in
5/64 in
7 in
7/32 in
7/8 in
9/16 in
9/32 in
11/16 in
13/64 in
15/64 in
21/64 in
29/32 in
33/64 in
43/64 in
47/64 in
57/64 in
61/64 in
A
C
L
M
Q
S
T
U
V
W
Z
#17
#19
#20
#21
#26
#28
Bit Length (in.)
1.37 in
1.75 in
2.37 in
2.96 in
3.65 in
4 in
4.9 in
6 in
Material Application
Stainless Steel
Aluminum
Steel
Duct/Sheet Metal
PVC
Angle Iron
Cast Iron
Copper
Nickel
Plaster
Vinyl Flooring
Wood
Linoleum
Bit Material
High Speed Steel
Cobalt
Black Oxide
Carbide
Titanium
Shank Diameter
3/8 in
D
#4
#57
1/4 in
Number of Pieces
1 Piece
2-4 Pieces
11-20 Pieces
Shank Style
Straight
3-Flat
Individual/Set
Individual
Drilling Depth (in)
0.0781
0.5
0.75
0.87
1.25
1.5
2.125
2.75
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Bit Diameter
Bit Length (in.)
Material Application
Bit Material
Bit Diameter: #4
Bit Diameter: D
Bit Diameter: #57
Bit Material: Cobalt
Bit Material: Black Oxide
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11 Results
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$
44
.
97
(1367)
Milwaukee
3/16 in. - 7/8 in. #4 Black Oxide Step Drill Bit (12-Steps)
Add to Cart
Compare
Top Rated
More Options Available
$
77
.
97
(1359)
Milwaukee
3/16 in. - 7/8 in. #4 Cobalt Step Drill Bit (12-Steps)
Add to Cart
Compare
$
79
.
99
(15)
Milwaukee
3/16 in. - 7/8 in. x 1/16 in. #4 Step Drill Bit (2 Pack)
Add to Cart
Compare
$
81
.
87
(329)
Milwaukee
3/16 in. to 7/8 in. #4 Black Oxide Step Drill Bit 12-Steps (2-Pack)
Add to Cart
Compare
$
139
.
00
(11)
Milwaukee
3/16 in. to 7/8 in. #4 Cobalt Step Drill Bit (2-Pack)
Add to Cart
Compare
More Options Available
$
16
.
41
(
$1.37
/unit
)
(9)
Drill America
#57 M42 Cobalt Drill Bit (12-Piece)
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More Options Available
$
33
.
63
(
$2.80
/unit
)
(1)
Drill America
D M35 Cobalt Drill Bit (12-Piece)
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$
17
.
12
(
$1.43
/unit
)
(3)
Drill America
#57 M42 Cobalt Short Drill Bit (12-Piece)
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More Options Available
$
4
.
43
(16)
Drill America
#4 x 6 in. Cobalt Aircraft Extension Drill Bit
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$
49
.
98
(
$4.17
/unit
)
Drill America
D M42 Cobalt Drill Bit (12-Piece)
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$
10
.
10
Drill America
D in. x 6 in. Cobalt Aircraft Extension Drill Bit
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