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System
of
Measurement
Inch
Metric
Screw
Size
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Material
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Washer
Type
Clipped
Conical
Curved
Double
Clipped
Flat
Perforated
Pronged
Rectangular
Slotted
Split
Square
Wave
Wedge
Finish
Black
Oxide
Cadmium
Plated
Chrome
Plated
Corrosion
-
Resistant
Coated
Dyed
Galvanized
Nickel
Plated
Passivated
Tin
Plated
Zinc
Flake
Coated
Zinc
Plated
Zinc
Yellow
-
Chromate
Plated
Thickness
0
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5
"
Washer
Designation
ASME
General
Purpose
Oversized
SAE
Undersized
USS
Fastener
Strength
Grade/Class
ASTM
Grade
A325
ASTM
Grade
A490
ISO
Class
8.8
ISO
Class
10.9
ISO
Class
12.9
SAE
Grade
5
SAE
Grade
8
SAE
Grade
9
Thread
Size
10
-
32
1/4"
-
20
3/8"
-
16
M6
Length
1
/
4
"
3
/
8
"
0
.
4
0
0
"
0
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4
3
8
"
1
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2
"
5
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8
"
3
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4
"
1
3
/
1
6
"
0
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8
7
5
"
1
"
1
1
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4
"
1
3
/
8
"
1
1
/
2
"
1
5
/
8
"
1
3
/
4
"
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
Standard
Federal
Specification
ISO
Standard
NAS
SAE
Standard
ASME
Designation
Narrow
Regular
Wide
Color
Amber
Beige
Black
Blue
Brown
Brown/Black
Clear
Coral
Gold
Gray
Green
Light
Green
Maroon
Off
-
White
Orange
Performance
A
b
r
a
s
i
o
n
R
e
s
i
s
t
a
n
t
A
c
i
d
R
e
s
i
s
t
a
n
t
C
h
e
m
i
c
a
l
R
e
s
i
s
t
a
n
t
C
l
e
a
r
C
o
n
d
u
c
t
i
v
e
C
o
r
r
o
s
i
o
n
R
e
s
i
s
t
a
n
t
E
a
s
y
I
n
s
t
a
l
l
E
l
e
c
t
r
i
c
a
l
l
y
I
n
s
u
l
a
t
i
n
g
E
x
t
r
e
m
e
V
i
b
r
a
t
i
o
n
R
e
s
i
s
t
a
n
t
F
i
n
i
s
h
-
Y
o
u
r
-
O
w
n
H
i
g
h
S
t
r
e
n
g
t
h
H
i
g
h
T
e
m
p
e
r
a
t
u
r
e
I
m
p
a
c
t
R
e
s
i
s
t
a
n
t
L
i
g
h
t
w
e
i
g
h
t
L
o
w
T
e
m
p
e
r
a
t
u
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e
Shape
D
-
Profile
Keyed
Made
-
to
-
Order
Ring
Round
Overall
Height
0
.
2
0
1
"
0
.
9
m
m
1
.
1
m
m
1
.
2
m
m
1
.
3
m
m
1
.
4
m
m
1
.
5
m
m
1
.
7
m
m
2
m
m
2
.
2
m
m
2
.
5
m
m
2
.
7
m
m
2
.
8
m
m
2
.
9
m
m
3
.
1
m
m
Shaft
Diameter
3
/
1
6
"
1
/
4
"
5
/
1
6
"
3
/
8
"
7
/
1
6
"
1
5
/
3
2
"
1
/
2
"
9
/
1
6
"
5
/
8
"
1
1
/
1
6
"
3
/
4
"
1
3
/
1
6
"
7
/
8
"
1
5
/
1
6
"
1
"
Fastener
Head
Type
Flat
Headless
Hex
Rounded
Socket
Width
0
.
2
2
0
"
0
.
2
5
0
"
5
/
1
6
"
0
.
3
3
0
"
0
.
3
7
5
"
7
/
1
6
"
0
.
4
3
8
"
1
/
2
"
0
.
5
4
7
"
9
/
1
6
"
5
/
8
"
1
1
/
1
6
"
3
/
4
"
0
.
8
1
3
"
0
.
8
7
5
"
Hardness
B
r
i
n
e
l
l
3
2
B
r
i
n
e
l
l
9
5
B
r
i
n
e
l
l
1
2
0
D
u
r
o
m
e
t
e
r
2
0
A
D
u
r
o
m
e
t
e
r
3
0
A
D
u
r
o
m
e
t
e
r
4
0
A
D
u
r
o
m
e
t
e
r
5
5
A
D
u
r
o
m
e
t
e
r
6
0
A
D
u
r
o
m
e
t
e
r
6
4
A
D
u
r
o
m
e
t
e
r
6
5
A
D
u
r
o
m
e
t
e
r
7
0
A
D
u
r
o
m
e
t
e
r
7
5
A
D
u
r
o
m
e
t
e
r
9
5
A
D
u
r
o
m
e
t
e
r
4
3
D
D
u
r
o
m
e
t
e
r
5
1
D
Military
Specification
Army
-
Navy
Specification
Military
Specification
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