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Washer Type
Flat
Rectangular
Square
Tapered
System of Measurement
Inch
Metric
Screw Size
No. 4
No. 6
No. 8
No. 10
No. 12
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
3/4"
7/8"
1"
1
1/8"
1
1/4"
1
3/8"
1
1/2"
1
3/4"
2"
M6
M8
M10
M12
M14
M16
M20
M22
M24
M30
Thickness
0
.
0
2
0
"
t
o
0
.
0
4
2
"
0
.
0
2
4
"
t
o
0
.
0
3
8
"
0
.
0
2
5
"
t
o
0
.
0
4
0
"
0
.
0
2
7
"
t
o
0
.
0
3
3
"
0
.
0
2
8
"
t
o
0
.
0
3
4
"
0
.
0
3
4
"
t
o
0
.
0
6
0
"
0
.
0
3
6
"
t
o
0
.
0
4
4
"
0
.
0
3
6
"
t
o
0
.
0
4
5
"
0
.
0
4
2
"
t
o
0
.
0
5
1
"
0
.
0
4
3
"
t
o
0
.
0
5
7
"
0
.
0
4
6
"
t
o
0
.
0
5
4
"
0
.
0
4
8
"
t
o
0
.
0
7
5
"
0
.
0
5
4
"
t
o
0
.
0
6
6
"
0
.
0
5
4
"
t
o
0
.
0
7
0
"
0
.
0
5
6
"
t
o
0
.
0
6
2
"
Width
0.220"
0.250"
0.330"
0.375"
0.438"
0.500"
0.547"
0.625"
0.688"
0.750"
0.813"
0.875"
1.000"
1.125"
1.250"
1.375"
1.500"
1.750"
2.000"
2.250"
2.500"
3.000"
4.000"
22.0 mm
26.0 mm
32.0 mm
40.0 mm
50.0 mm
56.0 mm
Material
Aluminum
Iron
Stainless Steel
Steel
Finish
Black Oxide
Galvanized
Zinc Plated
Zinc Yellow-Chromate Plated
ID
0
.
0
9
8
"
0
.
1
2
5
"
0
.
1
2
9
"
0
.
1
4
3
"
0
.
1
4
7
"
0
.
1
5
6
"
0
.
1
5
8
"
0
.
1
8
0
"
0
.
1
8
7
"
0
.
1
8
8
"
0
.
1
9
2
"
0
.
2
0
3
"
0
.
2
1
9
"
0
.
2
3
4
"
0
.
2
6
5
"
OD
0.500"
0.625"
0.688"
0.750"
0.812"
0.875"
0.922"
1.000"
1.062"
1.172"
1.250"
1.312"
1.469"
1.500"
1.750"
2.000"
2.250"
2.500"
2.750"
3.000"
3.250"
4.000"
Length
0.375"
0.400"
0.438"
0.500"
0.750"
0.875"
1.000"
1.250"
1.500"
2.000"
2.250"
22.0 mm
30.0 mm
36.0 mm
44.0 mm
Hardness
R
o
c
k
w
e
l
l
B
4
0
R
o
c
k
w
e
l
l
B
4
5
R
o
c
k
w
e
l
l
B
5
2
R
o
c
k
w
e
l
l
B
5
6
R
o
c
k
w
e
l
l
B
6
2
R
o
c
k
w
e
l
l
B
6
8
R
o
c
k
w
e
l
l
B
7
0
R
o
c
k
w
e
l
l
B
7
2
R
o
c
k
w
e
l
l
B
8
3
R
o
c
k
w
e
l
l
B
8
4
R
o
c
k
w
e
l
l
B
9
0
R
o
c
k
w
e
l
l
C
3
5
R
o
c
k
w
e
l
l
C
3
8
R
o
c
k
w
e
l
l
C
4
3
R
o
c
k
w
e
l
l
1
5
N
8
0
Performance
Corrosion Resistant
High Strength
Export Control Classification Number (ECCN)
EAR99
REACH
Compliant
RoHS
Compliant
Compliant with Exemptions
Not Compliant
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
Specifications Met
DIN 434
DIN 435
For Use In
I-Beams
U-Channels
For Rivet Diameter
3/32"
1/8"
3/16"
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