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Home
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Drill Bits
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Twist Drill Bits
CAST IRON TWIST DRILL BITS
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Material Application: Cast Iron
Drilling Depth (in): 3.375
Drilling Depth (in): 2.375
Drilling Depth (in): 4.5
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Same-Day Delivery
Availability
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Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Drill America
Milwaukee
CLE-LINE
POWERTEC
Price
to
Apply
$0 - $10
$10 - $20
$20 - $30
$30 - $40
$50 - $100
$100 - $150
$150 - $200
Bit Diameter
1/2 in
U
V
#15
3/16 in
3/8 in
29/64 in
Material Application
Stainless Steel
Cast Iron
Steel
Aluminum
Duct/Sheet Metal
Angle Iron
Copper
Nickel
PVC
Wood
Plaster
Vinyl Flooring
Linoleum
Gypsum
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
Bit Material
High Speed Steel
Cobalt
Bit Length (in.)
3.37 in
3.5 in
4.75 in
5 in
6 in
12 in
Features
No Additional Features
Shank Diameter
3/8 in
U
1/2 in
V
#15
1/4 in
3/16 in
Shank Style
Straight
3-Flat
Drilling Depth (in)
0
0.0625
0.078125
0.125
0.1875
0.2364
0.25
0.3125
0.375
0.5
0.5625
0.625
0.6698
0.6875
0.734375
0.7486
0.75
0.8125
0.82857
0.86614173
0.875
0.9375
0.985
1
1.015625
1.0625
1.125
1.1426
1.1875
1.25
1.3125
1.375
1.4375
1.5
1.5625
1.625
1.6875
1.75
1.8125
1.875
1.8912
1.9375
2
2.0094
2.125
2.1875
2.25
2.3125
2.375
2.435
2.4375
2.46875
2.5
2.500
2.5625
2.609375
2.625
2.6398
2.75
2.8125
2.875
2.890525
2.9375
3
3.0625
3.125
3.1875
3.3125
3.375
3.4278
3.4375
3.5
3.500
3.6248
3.625
3.75
3.875
3.9375
4
4.0625
4.125
4.1875
4.250
4.25
4.3125
4.375
4.5
4.75
4.8125
4.875
5
5.125
5.1875
5.375
5.625
6
6.125
6.375
13
18
Individual/Set
Individual
Featured Keywords
1/2 in. drill bit
1/4 in. shank
2 high speed steel
35 cobalt drill bits
135 degree
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black oxide drill bit
black oxide finish
cast iron
center punch
cobalt alloy
drill chuck
drill hole
drilling metal
extra length
fast drilling
gold drill
hard metal
longer life
overall length
precision start
quadedge tip
self centering
variable helix
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Bit Diameter
Material Application
Material Application: Cast Iron
Drilling Depth (in): 3.375
Drilling Depth (in): 2.375
Drilling Depth (in): 4.5
Clear All
12 Results
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Top Rated Products
More Options Available
$
26
.
97
(3976)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
119
.
00
(
$23.80
/unit
)
(349)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Compare
More Options Available
$
198
.
00
(
$19.80
/unit
)
(247)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
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More Options Available
$
14
.
52
(
$1.21
/unit
)
(7)
POWERTEC
3/16 in. 135° M35 Cobalt Jobber Length Drill Bit Set (12-Pack)
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More Options Available
$
31
.
01
(
$5.17
/unit
)
(83)
Drill America
1/2 in. HSS Black and Gold Contractor Drill Bit with Split Point and 3-Flat Shank (6-Pack)
Add to Cart
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$
7
.
89
(19)
Drill America
29/64 in. High Speed Steel Black Oxide Reduced Shank Drill Bit with 1/4 in. Shank
Add to Cart
Compare
$
62
.
32
/package
(
$10.39
/unit
)
CLE-LINE
1875L 1/2 in. High Speed Steel Heavy-Duty Mechanics Length Drill Bit (6-Piece)
Add to Cart
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More Options Available
$
7
.
24
Drill America
3/8 in. x 6 in. High Speed Steel Aircraft Extension Drill Bit
Add to Cart
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$
14
.
53
Drill America
U x 6 in. Cobalt Aircraft Extension Drill Bit
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More Options Available
$
11
.
30
(
94
¢
/unit
)
(13)
Drill America
#15 High Speed Steel Killer Force Drill Bit (12-Pieces)
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More Options Available
$
19
.
97
(1)
Drill America
V x 6 in. High Speed Steel Aircraft Extension Drill Bit
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$
24
.
36
Drill America
V x 12 in. High Speed Steel Aircraft Extension Drill Bit
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Compare