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Countersink
Angle
60°
82°
90°
100°
110°
120°
For
Use
On
Aluminum
Brass
Bronze
Iron
Nickel
Plastic
Stainless
Steel
Steel
Titanium
Wood
Hardened
Steel
System
of
Measurement
Inch
Metric
Body
Diameter
3
/
4
6
"
0
.
1
1
0
"
1
/
8
"
0
.
1
3
3
"
0
.
1
5
5
"
0
.
1
5
6
"
0
.
1
7
6
"
0
.
1
8
6
"
3
/
1
6
"
0
.
1
8
8
"
0
.
1
9
8
"
0
.
2
0
5
"
0
.
2
0
6
"
7
/
3
2
"
0
.
2
1
9
"
Number
of
Flutes
0
1
2
3
4
6
Shank
Diameter
0.118"
1/8"
0.156"
5/32"
3/16"
0.188"
7/32"
0.219"
15/64"
1/4"
17/64"
0.281"
9/32"
0.2813"
5/16"
0.313"
0.3320"
3/8"
0.3860"
7/16"
0.438"
0.4995"
1/2"
5/8"
3/4"
0.8125"
7/8"
1"
6.35
mm
7.93
mm
11.11
mm
12.7
mm
15.87
mm
Screw
Size
No.
0
No.
1
No.
2
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"
5/8"
3/4"
7/8"
1"
M3
M4
M5
M6
M8
M10
M12
M14
M16
M20
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
"
1
/
8
"
1
/
8
"
t
o
1
5
/
6
4
"
5
/
3
2
"
5
/
3
2
"
t
o
1
3
/
3
2
"
3
/
1
6
"
3
/
1
6
"
t
o
1
3
/
3
2
"
3
/
1
6
"
t
o
1
7
/
3
2
"
1
3
/
6
4
"
t
o
2
7
/
6
4
"
1
/
4
"
1
/
4
"
t
o
3
3
/
6
4
"
1
/
4
"
t
o
1
5
/
1
6
"
Shank
Type
Hex
Morse
Taper
Quick
-
Change
Hex
Round
Threaded
Sold
As
Individual
Set
Material
Hide
Carbide
Carbide
-
Tipped
Steel
Steel
Carbon
Steel
Cobalt
Steel
High
-
Speed
Steel
Steel
Overall
Length
1
/
2
"
3
/
4
"
7
/
8
"
1
"
1
1
/
1
6
"
1
1
/
8
"
1
7
/
3
2
"
1
1
/
4
"
1
.
2
8
1
2
5
"
1
3
/
8
"
1
.
4
0
6
2
5
"
1
1
5
/
3
2
"
1
1
/
2
"
1
9
/
1
6
"
1
5
/
8
"
Number
of
Countersinking
Ends
1
2
Finish
Black
Oxide
Titanium
Nitride
(TiN)
Coated
Uncoated
Shank
Material
Steel
Body
Diameters
Included
1/8"
3/16"
1/4"
5/16"
3/8"
7/16"
1/2"
5/8"
3/4"
1"
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"
7/16"
1/2"
9/16"
Drill
Tip
Diameter
0
.
0
4
1
"
0
.
0
6
2
"
0
.
0
8
2
"
0
.
1
0
4
"
0
.
1
2
5
"
0
.
1
2
7
"
0
.
1
3
8
"
0
.
1
4
0
"
0
.
1
5
"
0
.
1
6
6
"
0
.
1
6
7
"
0
.
1
7
8
"
0
.
1
9
2
"
0
.
2
"
0
.
2
0
8
"
Pilot
Diameter
0
.
1
1
2
"
1
/
8
"
0
.
1
2
8
"
0
.
1
3
8
"
0
.
1
4
1
"
0
.
1
4
3
"
0
.
1
5
4
"
0
.
1
5
6
"
0
.
1
6
4
"
0
.
1
6
9
"
0
.
1
8
"
0
.
1
9
"
0
.
1
9
5
"
0
.
2
0
6
"
0
.
2
2
1
"
Number
of
Pieces
4
5
6
7
8
9
10
14
Flute
Type
Spiral
Straight
Export
Control
Classification
Number
(ECCN)
EAR99
REACH
Compliant
Not
Compliant
DFARS
Specialty
Metals
Exempt
RoHS
Compliant
Not
Compliant
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
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1,654 Products
Fabricating and Machining
Countersinks
Cut a cone-shaped opening in a hole to install flat head screws and rivets flush with the surface
1,051 products
Countersink Heads
Cut a cone-shaped opening in a hole to install flat head screws and rivets flush with the surface
18 products
Countersink Extensions
Lengthen the reach of threaded-shank countersinks
3 products
Center Drills
Drill cone-shaped openings in workpieces to mount them between centers on your lathe
227 products
Counterbores
Enlarge the top of a hole to install socket and hex head screws flush with the surface
298 products
Countersink Drill Bits
A single bit drills and creates an angled surface so oval and flat screw heads sit flush
17 products
Counterbore Drill Bits
A single bit drills and creates a flat surface for the head of a socket head cap screw
23 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)