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Countersink Angle
60°
82°
90°
100°
110°
120°
For Use On
A
l
u
m
i
n
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B
r
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B
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z
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C
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b
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C
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C
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p
p
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F
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I
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N
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k
e
l
P
l
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R
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S
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S
t
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e
l
S
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l
T
i
t
a
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i
u
m
W
o
o
d
Number of Flutes
0
1
2
3
4
5
6
System of Measurement
Inch
Metric
Body Diameter
1
/
8
"
0
.
1
5
6
"
3
/
1
6
"
0
.
1
8
8
"
0
.
2
1
9
"
1
/
4
"
0
.
2
8
1
"
5
/
1
6
"
0
.
3
1
3
"
0
.
3
3
2
"
3
/
8
"
0
.
3
8
6
"
7
/
1
6
"
0
.
4
3
8
"
1
/
2
"
Shank Diameter
0.118"
1/8"
0.156"
3/16"
0.188"
0.219"
1/4"
0.281"
0.2813"
5/16"
0.313"
0.3320"
3/8"
0.3860"
7/16"
0.438"
1/2"
5/8"
3/4"
0.8125"
7/8"
1"
3 mm
4 mm
6 mm
6.35 mm
7.93 mm
8 mm
10 mm
11.11 mm
12 mm
12.7 mm
15.87 mm
Material
Aluminum Oxide Ceramic
Carbide
Cubic Boron Nitride
Diamond
Steel
Hole Diameter
1
/
1
6
"
1
/
1
6
"
t
o
1
5
/
6
4
"
3
/
3
2
"
3
/
3
2
"
t
o
1
5
/
6
4
"
0
.
1
1
"
1
/
8
"
1
/
8
"
t
o
1
5
/
6
4
"
0
.
1
5
"
5
/
3
2
"
5
/
3
2
"
t
o
1
3
/
3
2
"
0
.
1
7
3
"
3
/
1
6
"
3
/
1
6
"
t
o
1
3
/
3
2
"
3
/
1
6
"
t
o
1
7
/
3
2
"
0
.
2
0
3
"
Overall Length
1
/
2
"
3
/
4
"
7
/
8
"
1
1
/
1
6
"
1
1
/
8
"
1
1
/
4
"
1
3
/
8
"
1
1
/
2
"
1
5
/
8
"
1
2
1
/
3
2
"
1
3
/
4
"
1
2
5
/
3
2
"
1
7
/
8
"
1
1
5
/
1
6
"
2
"
Shank Type
Hex
Round
Square
Threaded
Screw Size
No. 3
No. 4
No. 5
No. 6
No. 7
No. 8
No. 9
No. 10
No. 12
No. 14
No. 16
No. 18
1/4"
5/16"
3/8"
7/16"
1/2"
M3
M4
M5
M6
M8
M10
M12
Finish
Aluminum Titanium Nitride (AlTiN) Coated
Black Oxide
Titanium Aluminum Nitride (TiAlN) Coated
Titanium Aluminum Oxygen Nitride (TiAlON) Coated
Titanium Carbon Nitride (TiCN) Coated
Titanium Nitride (TiN) Coated
Uncoated
Sold As
Individual
Set
Shank Material
Carbide
Steel
Number of Countersinking Ends
1
2
Cutting Angle
30°
40°
45°
60°
82°
90°
120°
Export Control Classification Number (ECCN)
2B998
EAR99
REACH
Compliant
Not Compliant
RoHS
Compliant
Not Compliant
DFARS Specialty Metals
Exempt
Flute Type
Spiral
Straight
Drill Bit Size
0.010"
0.015"
0.020"
0.025"
1/32"
3/64"
1/16"
5/64"
3/32"
7/64"
1/8"
9/64"
5/32"
11/64"
3/16"
13/64"
7/32"
1/4"
9/32"
5/16"
11/32"
3/8"
Body Diameters Included
1/8"
3/16"
1/4"
5/16"
3/8"
7/16"
1/2"
5/8"
3/4"
1"
Insert Shape
Diamond
Round
Square
Triangle
Trigon
Countersink Trade Size
00000
0000
000
00
0
1
2
3
4
4
1/2
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Drill Tip Diameter
0.041"
0.062"
0.082"
0.104"
0.125"
0.127"
0.140"
0.166"
0.167"
0.192"
0.208"
0.220"
0.250"
0.252"
0.291"
0.315"
0.333"
0.378"
3.100 mm
4.100 mm
5.100 mm
6.100 mm
8.100 mm
10.100 mm
12.100 mm
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3,179 Products
Fabricating and Machining
Countersinks
Cut a cone-shaped opening in a hole to install flat-head screws and rivets flush with the surface
1,704 products
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Lengthen the reach of threaded-shank countersinks
3 products
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Drill cone-shaped openings in workpieces to mount them between centers on your lathe
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Create smooth, beveled edges on flat plates or plastic pipe and tubing
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Pair with cordless grinders to bevel smooth edges on plastic pipe and tubing
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Shape workpieces as they rotate on a lathe
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Pair with lathes to add cuts and grooves to workpieces
523 products
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A single bit drills and creates an angled surface so oval and flat screw heads sit flush
17 products
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Quickly change between drilling countersunk holes and driving screws
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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)