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System
of
Measurement
Inch
Metric
Thread
Type
Ball
BSPP
BSPT
Metric
Metric
Ball
Metric
Rounded
Trapezoidal
Metric
Trapezoidal
NPT
NPTF
Roller
UNC
UNF
Universal
Length
2
m
m
2
.
5
m
m
3
m
m
4
m
m
5
m
m
5
.
6
m
m
6
m
m
6
.
5
m
m
7
m
m
7
.
2
m
m
7
.
5
m
m
8
m
m
8
.
1
m
m
8
.
5
m
m
8
.
8
m
m
Thread
Size
M
0
.
5
M
0
.
8
M
0
.
9
M
1
M
1
.
2
M
1
.
4
M
1
.
6
M
1
.
7
M
1
.
8
M
2
M
2
.
2
M
2
.
5
M
2
.
6
M
3
M
3
.
5
Thread
Pitch
0
.
1
2
5
m
m
0
.
2
m
m
0
.
2
2
5
m
m
0
.
2
5
m
m
0
.
3
m
m
0
.
3
5
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
Fastener
Head
Type
12
-
Point
Flat
Headless
Hex
Oval
Rounded
Socket
Square
Thumb
T
-
Slot
Threading
Fully
Threaded
Partially
Threaded
Threaded
on
Both
Ends
Threaded
on
One
End
Material
400
Nickel
Aluminum
Brass
Bronze
Carbon
Fiber
Fiberglass
Iron
Plastic
Rubber
Stainless
Steel
Steel
Titanium
Zinc
Finish
A
n
o
d
i
z
e
d
B
l
a
c
k
O
x
i
d
e
C
a
d
m
i
u
m
P
l
a
t
e
d
C
h
r
o
m
e
P
l
a
t
e
d
C
o
r
r
o
s
i
o
n
-
R
e
s
i
s
t
a
n
t
C
o
a
t
e
d
D
y
e
d
G
a
l
v
a
n
i
z
e
d
H
o
t
-
D
i
p
p
e
d
G
a
l
v
a
n
i
z
e
d
N
e
o
p
r
e
n
e
C
o
a
t
e
d
N
i
c
k
e
l
P
l
a
t
e
d
N
y
l
o
n
C
o
a
t
e
d
P
a
i
n
t
e
d
P
a
s
s
i
v
a
t
e
d
P
h
o
s
p
h
a
t
e
C
o
a
t
e
d
P
o
w
d
e
r
C
o
a
t
e
d
Fastener
Strength
Grade/Class
ASTM
Grade
B7
ASTM
Grade
B8M
ISO
Class
8.8
ISO
Class
10.9
ISO
Class
12.9
SAE
Grade
2
Drive
Style
Drilled
Spanner
External
12
-
Point
External
Hex
External
Square
Hex
Hex
with
Pilot
Recess
JIS
Phillips
Slotted
Spring
Plunger
Wrench
Tamper
-
Resistant
Hex
Tamper
-
Resistant
Torx
Torx
Torx
Plus
Wrench
Flats
Head
Height
0
.
2
8
m
m
0
.
3
8
m
m
0
.
4
1
m
m
0
.
5
m
m
0
.
5
1
m
m
0
.
6
m
m
0
.
7
m
m
0
.
7
2
m
m
0
.
7
6
m
m
0
.
8
m
m
0
.
8
4
m
m
0
.
8
6
m
m
0
.
8
8
m
m
0
.
9
0
m
m
0
.
9
5
m
m
Socket
Head
Profile
Low
Standard
Ultra
Low
Head
Diameter
0
.
8
1
m
m
0
.
9
4
m
m
1
.
2
7
m
m
1
.
4
0
m
m
1
.
4
2
m
m
1
.
5
2
m
m
1
.
8
7
5
m
m
1
.
9
0
m
m
2
.
0
0
m
m
2
.
1
7
5
m
m
2
.
3
0
m
m
2
.
3
5
m
m
2
.
4
m
m
2
.
5
m
m
2
.
6
m
m
Thread
Direction
Left
Hand
Right
Hand
Right
Hand
and
Left
Hand
Thread
Spacing
Coarse
Fine
Extra
Fine
Ultra
Fine
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
Standard
EN
13155
IEC
61340
-
5
-
1
ISO
Standard
Japanese
Industrial
Standard
(JIS)
JCIS
10
-
70
MSS
Standard
NAS
SAE
Standard
Head
Width
5
.
5
m
m
6
m
m
7
m
m
7
.
9
3
m
m
8
m
m
9
.
5
2
m
m
1
0
m
m
1
1
m
m
1
2
m
m
1
2
.
7
m
m
1
3
m
m
1
4
m
m
1
5
m
m
1
5
.
8
6
m
m
1
6
m
m
Screw
Size
M
1
M
1
.
2
M
1
.
4
M
1
.
5
9
M
1
.
6
M
1
.
8
M
1
.
9
1
M
2
M
2
.
2
M
2
.
2
6
M
2
.
5
M
2
.
6
3
M
2
.
9
M
3
M
3
.
1
2
Color
Beige
Black
Blue
Clear
Fluorescent
Green
Gray
Off
-
White
Pink
Red
Silver
White
Yellow
Drive
Size
0
.
7
m
m
0
.
9
m
m
1
m
m
1
.
3
m
m
1
.
5
m
m
2
m
m
2
.
5
m
m
3
m
m
4
m
m
4
.
5
m
m
5
m
m
6
m
m
7
m
m
8
m
m
1
0
m
m
Tensile
Strength
Less
than
10,000
psi
10,000
psi
to
19,999
psi
20,000
psi
to
29,999
psi
30,000
psi
to
99,999
psi
100,000
psi
or
greater
Not
Rated
Screw
Features
Flanged
Sealing
Vented
With
Washer
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23,966 Products
Fastening and Joining
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2,578 products
Socket Head Screws
With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold
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Rounded Head Screws
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Set Screws
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12-Point Screws
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Standoffs
Threaded to separate or connect parts as well as position components in assemblies
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Thread Adapters
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Communication
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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)