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Home
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Power Tool Accessories
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Drill Bits
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Twist Drill Bits
Twist Drill Bits
3 Results
Material Application: Aluminum
Bit Material: Cobalt
Drilling Depth (in): 4.5
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Twist Drill Bits
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$200 - $250
Bit Material
Cobalt
High Speed Steel
Number of Pieces
1 Piece
5-10 Pieces
Drilling Depth (in)
0.125
0.1875
0.25
0.3125
0.375
0.5
0.5625
0.625
0.6875
0.75
0.8125
0.86614173
0.875
0.9375
1
1.0625
1.125
1.1875
1.25
1.3125
1.375
1.4375
1.5
1.5625
1.625
1.6875
1.73228346
1.75
1.81
1.8125
1.875
1.9375
2
2.125
2.1875
2.20472441
2.25
2.3125
2.375
2.5
2.5625
2.625
2.75
2.8125
2.875
2.9375
3
3.0625
3.1875
3.3125
3.4375
3.5
3.50393701
3.62204724
3.625
3.75
3.85826772
3.875
4
4.0625
4.125
4.25
4.37007874
4.375
4.48818898
4.5
4.75
4.8125
4.875
5.1875
5.375
5.625
6.125
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Featured Keywords
1/2 in. drill bit
bits core
black oxide drill bit
cobalt alloy
fast drilling
hard metal
longer life
precision start
quadedge tip
variable helix
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Top Rated
More Options Available
$
25
.
47
(3909)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Compare
Top Rated
More Options Available
$
135
.
00
(
$27.00
/unit
)
(340)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
Compare
More Options Available
$
213
.
25
(
$21.33
/unit
)
(241)
Milwaukee
1/2 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
Add to Cart
Compare