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System
of
Measurement
Inch
Metric
Thread
Size
0
-
8
0
1
-
7
2
2
-
5
6
3
-
4
8
4
-
4
0
4
-
4
8
5
-
4
0
6
-
3
2
6
-
4
0
8
-
3
2
8
-
3
6
1
0
-
2
4
1
0
-
3
2
1
2
-
2
4
1
/
8
"
-
2
0
.
8
Length
1
/
4
"
9
/
3
2
"
5
/
1
6
"
2
1
/
6
4
"
3
/
8
"
2
5
/
6
4
"
1
3
/
3
2
"
7
/
1
6
"
1
5
/
3
2
"
3
1
/
6
4
"
1
/
2
"
5
/
8
"
1
1
/
1
6
"
3
/
4
"
2
5
/
3
2
"
Material
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Grade
2
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Steel
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Threading
Fully
Threaded
Partially
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Threaded
on
Both
Ends
Threaded
on
One
End
Unthreaded
Thread
Length
1
/
8
"
9
/
6
4
"
5
/
3
2
"
1
1
/
6
4
"
0
.
1
8
7
"
3
/
1
6
"
7
/
3
2
"
1
5
/
6
4
"
1
/
4
"
1
7
/
6
4
"
9
/
3
2
"
1
9
/
6
4
"
5
/
1
6
"
0
.
3
2
8
"
2
1
/
6
4
"
Thread
Type
A
c
m
e
B
a
l
l
B
S
P
P
B
S
P
T
C
o
i
l
D
i
a
m
o
n
d
M
e
t
r
i
c
M
e
t
r
i
c
B
a
l
l
M
e
t
r
i
c
R
o
u
n
d
e
d
T
r
a
p
e
z
o
i
d
a
l
M
e
t
r
i
c
T
r
a
p
e
z
o
i
d
a
l
N
P
S
M
N
P
T
N
P
T
F
R
o
l
l
e
r
R
o
u
n
d
e
d
A
c
m
e
Thread
Direction
Left
Hand
Right
Hand
Right
Hand
and
Left
Hand
Finish
Black
Oxide
Black
Zinc
Plated
Chrome
Plated
Galvanized
Hot
-
Dipped
Galvanized
Nickel
Plated
Phosphate
Coated
Powder
Coated
PTFE
Coated
Zinc
Flake
Coated
Zinc
Plated
Zinc
Yellow
-
Chromate
Plated
Shaft
Diameter
0
.
1
3
8
"
0
.
1
6
4
"
0
.
1
9
"
1
/
4
"
5
/
1
6
"
3
/
8
"
1
/
2
"
5
/
8
"
3
/
4
"
7
/
8
"
1
"
2
m
m
3
m
m
4
m
m
5
m
m
Shaft
Length
1
/
2
"
3
/
4
"
7
/
8
"
1
"
1
1
/
4
"
1
3
/
4
"
2
"
2
1
/
4
"
2
1
/
2
"
2
3
/
4
"
3
"
3
1
/
4
"
3
1
/
2
"
3
3
/
4
"
4
"
Fastener
Strength
Grade/Class
A
S
T
M
G
r
a
d
e
B
6
A
S
T
M
G
r
a
d
e
B
7
A
S
T
M
G
r
a
d
e
B
8
A
S
T
M
G
r
a
d
e
B
8
M
A
S
T
M
G
r
a
d
e
B
1
6
A
S
T
M
G
r
a
d
e
2
H
A
S
T
M
G
r
a
d
e
B
D
I
S
O
C
l
a
s
s
8
.
8
I
S
O
C
l
a
s
s
1
0
.
9
I
S
O
C
l
a
s
s
1
2
.
9
I
S
O
C
l
a
s
s
8
I
S
O
C
l
a
s
s
1
0
S
A
E
G
r
a
d
e
2
S
A
E
G
r
a
d
e
5
S
A
E
G
r
a
d
e
8
Thread
Pitch
0
.
3
m
m
0
.
4
m
m
0
.
4
5
m
m
0
.
5
m
m
0
.
6
m
m
0
.
7
m
m
0
.
7
5
m
m
0
.
8
m
m
1
m
m
1
.
2
5
m
m
1
.
5
m
m
1
.
7
5
m
m
2
m
m
2
.
5
m
m
3
m
m
Thread
Spacing
Coarse
Fine
Extra
Fine
Ultra
Fine
Fastener
Head
Type
Hex
Tee
Tensile
Strength
Less
than
10,000
psi
10,000
psi
to
19,999
psi
20,000
psi
to
39,999
psi
40,000
psi
to
99,999
psi
100,000
psi
or
greater
Not
Rated
Diameter
1
/
8
"
0
.
1
3
8
"
0
.
1
6
4
"
0
.
1
9
"
0
.
2
0
9
"
0
.
2
2
8
"
1
/
4
"
0
.
2
9
5
"
0
.
2
9
7
"
0
.
3
1
5
"
0
.
3
5
4
"
3
/
8
"
0
.
4
"
0
.
4
0
6
"
1
/
2
"
Nut
Type
Coupling
Externally
Threaded
Flange
Hex
Platform
Round
Square
Threadless
Thumb
With
Sight
Hole
Thread
Fit
A
c
m
e
C
l
a
s
s
2
C
A
c
m
e
C
l
a
s
s
2
G
A
S
M
E
I
n
t
e
r
f
e
r
e
n
c
e
C
l
a
s
s
5
M
e
t
r
i
c
C
l
a
s
s
6
g
M
e
t
r
i
c
C
l
a
s
s
6
G
M
e
t
r
i
c
C
l
a
s
s
6
h
M
e
t
r
i
c
C
l
a
s
s
6
H
M
e
t
r
i
c
I
n
t
e
r
f
e
r
e
n
c
e
S
k
6
M
e
t
r
i
c
T
r
a
p
e
z
o
i
d
a
l
C
l
a
s
s
7
e
M
e
t
r
i
c
T
r
a
p
e
z
o
i
d
a
l
C
l
a
s
s
7
H
M
e
t
r
i
c
T
r
a
p
e
z
o
i
d
a
l
C
l
a
s
s
8
e
U
n
i
f
i
e
d
S
t
a
n
d
a
r
d
C
l
a
s
s
1
A
U
n
i
f
i
e
d
S
t
a
n
d
a
r
d
C
l
a
s
s
2
A
U
n
i
f
i
e
d
S
t
a
n
d
a
r
d
C
l
a
s
s
2
B
U
n
i
f
i
e
d
S
t
a
n
d
a
r
d
C
l
a
s
s
3
A
Specifications
Met
ASME
Standard
ASTM
Standard
BS
21
DIN
Standard
EN
10226
Fed.
Spec.
WW
-
N
-
351
ISO
Standard
MSS
SP
-
95
USMCA
Qualifying
Yes
No
Pipe
Size
1/16
1/8
1/4
3/8
1/2
3/4
1
1
1/4
1
1/2
2
2
1/2
3
4
6
OD
1
/
8
"
3
/
1
6
"
1
/
4
"
1
9
/
6
4
"
5
/
1
6
"
2
3
/
6
4
"
3
/
8
"
1
3
/
3
2
"
2
7
/
6
4
"
7
/
1
6
"
3
1
/
6
4
"
1
/
2
"
1
7
/
3
2
"
3
5
/
6
4
"
9
/
1
6
"
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