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Home
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Drill Bits
COBALT DRILL BITS
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Bit Diameter: 5/16 in
Bit Material: Cobalt
Bit Length (in.): 12 in
Bit Length (in.): 2.81 in
Bit Length (in.): 4.5 in
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Same-Day Delivery
Department
Tools
Power Tool Accessories
Drill Bits
Twist Drill Bits
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
Milwaukee
Drill America
Price
to
Apply
$10 - $20
$40 - $50
$50 - $100
$100 - $150
Bit Diameter
5/16 in
#16
#19
#24
#25
#37
#38
#3
#44
#45
#46
#52
#8
#9
1/4 in
3/32 in
5/32 in
7/32 in
11/64 in
Bit Length (in.)
2.81 in
4.5 in
6 in
6.37 in
12 in
Bit Material
Carbide
Cobalt
High Speed Steel
Number of Pieces
1 Piece
5-10 Pieces
11-20 Pieces
Material Application
Stainless Steel
Aluminum
Cast Iron
Duct/Sheet Metal
Steel
Angle Iron
Copper
Nickel
PVC
Plaster
Vinyl Flooring
Wood
Shank Style
3-Flat
Straight
Shank Diameter
3/8 in
5/16 in
Drilling Depth (in)
1.625
2.8125
3.1875
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Category
Bit Diameter
Bit Length (in.)
Bit Material
Number of Pieces
Bit Diameter: 5/16 in
Bit Material: Cobalt
Bit Length (in.): 12 in
Bit Length (in.): 2.81 in
Bit Length (in.): 4.5 in
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5 Results
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Top Sellers
More Options Available
$
13
.
97
(4118)
Model# 48-89-2317
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit
Add to Cart
Top Rated
More Options Available
$
51
.
97
(
$10.39
/unit
)
(403)
Model# 48-89-2317-X5
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit (5-Pack)
Add to Cart
More Options Available
$
15
.
03
(51)
Model# GLBCOX125/16
Drill America
5/16 in. x 12 in. Cobalt Aircraft Extension Drill Bit
Add to Cart
More Options Available
$
46
.
70
(
$3.89
/unit
)
(3)
Model# D/ASTCO5/16P12
Drill America
5/16 in. M42 Cobalt Short Twist Drill Bit (12-Piece)
Add to Cart
More Options Available
$
129
.
00
(
$12.90
/unit
)
(292)
Model# 48-89-2317-X10
Milwaukee
5/16 in. Cobalt Red Helix Twist Drill Bit (10-Pack)
Add to Cart