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System
of
Measurement
Inch
Metric
Thread
Size
0
0
-
9
6
0
-
8
0
1
-
7
2
2
-
6
4
3
-
5
6
4
-
4
8
5
-
4
4
6
-
4
0
8
-
3
6
1
0
-
3
2
1
2
-
2
8
1
/
4
"
-
2
0
1
/
4
"
-
2
8
5
/
1
6
"
-
1
8
5
/
1
6
"
-
2
4
Length
1
/
1
6
"
5
/
6
4
"
3
/
3
2
"
7
/
6
4
"
1
/
8
"
5
/
3
2
"
3
/
1
6
"
7
/
3
2
"
1
/
4
"
9
/
3
2
"
0
.
2
9
"
5
/
1
6
"
1
1
/
3
2
"
0
.
3
5
"
3
/
8
"
Fastener
Head
Type
12
-
Point
Eye
Flat
Headless
Hex
Oval
Rounded
Socket
Tee
Thumb
Material
400
Nickel
Aluminum
Brass
Bronze
Plastic
Stainless
Steel
Steel
Titanium
Threading
Fully
Threaded
Partially
Threaded
Threaded
on
Both
Ends
Threaded
on
One
End
Finish
A
n
o
d
i
z
e
d
B
l
a
c
k
O
x
i
d
e
B
l
a
c
k
Z
i
n
c
P
l
a
t
e
d
B
r
o
n
z
e
P
l
a
t
e
d
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
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
T
F
E
C
o
a
t
e
d
S
i
l
v
e
r
P
l
a
t
e
d
T
i
t
a
n
i
u
m
C
a
r
b
o
n
N
i
t
r
i
d
e
(
T
i
C
N
)
C
o
a
t
e
d
Z
i
n
c
F
l
a
k
e
C
o
a
t
e
d
Z
i
n
c
P
l
a
t
e
d
Fastener
Strength
Grade/Class
ASTM
Grade
B7
ASTM
Grade
B8
ASTM
Grade
BD
SAE
Grade
5
SAE
Grade
8
Drive
Style
Asymmetrical
Drilled
Spanner
External
12
-
Point
External
Hex
Hex
One
Way
Phillips
Slotted
Spring
Plunger
Wrench
Tamper
-
Resistant
Hex
Tamper
-
Resistant
Torx
Tamper
-
Resistant
Torx
Plus
Torx
Torx
Plus
Tri
-
Groove
Thread
Direction
Left
Hand
Right
Hand
Thread
Spacing
Coarse
Fine
Head
Height
0
.
0
2
5
"
0
.
0
2
6
"
0
.
0
3
1
"
0
.
0
3
2
"
0
.
0
3
3
"
0
.
0
3
5
"
0
.
0
3
6
"
0
.
0
3
7
"
0
.
0
3
9
"
0
.
0
4
1
"
0
.
0
4
2
"
0
.
0
4
3
"
0
.
0
4
4
"
0
.
0
4
6
"
3
/
6
4
"
Thread
Type
See all
UNF
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
Thread
Fit
Unified
Standard
Class
1A
Unified
Standard
Class
2A
Unified
Standard
Class
2B
Unified
Standard
Class
3A
Head
Width
1/8"
1/4"
5/16"
0.313"
3/8"
7/16"
1/2"
35/64"
9/16"
5/8"
23/32"
3/4"
13/16"
7/8"
57/64"
15/16"
1"
1
1/8"
1
5/16"
1
11/16"
1
7/8"
2"
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
912
Federal
Specification
IFI
Standard
ISO
4762
NAS
SAE
Standard
Hardness
R
o
c
k
w
e
l
l
B
4
0
R
o
c
k
w
e
l
l
B
5
0
R
o
c
k
w
e
l
l
B
5
5
R
o
c
k
w
e
l
l
B
6
0
R
o
c
k
w
e
l
l
B
6
1
R
o
c
k
w
e
l
l
B
6
9
R
o
c
k
w
e
l
l
B
7
0
R
o
c
k
w
e
l
l
B
7
1
R
o
c
k
w
e
l
l
B
7
4
R
o
c
k
w
e
l
l
B
7
5
R
o
c
k
w
e
l
l
B
7
8
R
o
c
k
w
e
l
l
B
7
9
R
o
c
k
w
e
l
l
B
8
0
R
o
c
k
w
e
l
l
B
8
1
R
o
c
k
w
e
l
l
B
8
3
RoHS
Compliance
RoHS
3
(2015/863/EU)
Compliant
RoHS
3
(2015/863/EU)
Compliant
with
Exemptions
Not
Compliant
REACH
Compliance
REACH
(EC
1907/2006)
(01/23/2024,
240
SVHC)
Compliant
REACH
(EC
1907/2006)
(06/14/2023,
235
SVHC)
Compliant
REACH
(EC
1907/2006)
(01/17/2023,
233
SVHC)
Compliant
REACH
(EC
1907/2006)
(06/10/2022,
224
SVHC)
Compliant
REACH
(EC
1907/2006)
(01/17/2022,
223
SVHC)
Compliant
REACH
(EC
1907/2006)
(07/08/2021,
219
SVHC)
Compliant
Not
Compliant
Socket
Head
Profile
High
Low
Standard
Ultra
Low
Head
Diameter
0
.
0
8
2
"
0
.
0
8
6
"
0
.
0
9
6
"
0
.
1
0
7
"
0
.
1
1
"
0
.
1
1
2
"
0
.
1
1
3
"
0
.
1
1
4
"
0
.
1
1
6
"
0
.
1
1
8
"
0
.
1
1
9
"
0
.
1
2
5
"
0
.
1
2
6
"
0
.
1
2
9
"
0
.
1
3
1
"
DFARS
Compliance
Specialty
Metals
Compliant
(252.225
-
7008)
Specialty
Metals
Compliant
(252.225
-
7009)
Specialty
Metals
COTS
-
Exempt
Not
Specialty
Metals
Compliant
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8,078 Products
Fastening and Joining
Hex
Head
Screws
Used
with
nuts
to
create
a
stronger
joint
than
flat
and
rounded
screws
1,276 products
Socket
Head
Screws
With
a
deeper
drive
than
flat
and
rounded
head
screws,
these
withstand
more
torque
for
a
tighter
hold
1,034 products
Rounded
Head
Screws
Sit
just
above
the
surface
for
a
low
-
profile
finish
and
hold
tighter
than
flat
head
screws
1,433 products
Flat
Head
Screws
Fit
in
countersunk
holes
for
a
flush
finish
910 products
12
-
Point
Screws
12
contact
points
handle
more
torque
than
a
hex
head
while
a
flange
eliminates
the
need
for
a
washer
77 products
Set
Screws
Exert
pressure
at
the
tip
to
hold
parts
in
place,
unlike
screws
that
hold
material
together
with
threads
975 products
Shoulder
Screws
Rotate
parts
around
the
cylinder
under
the
head
to
guide
and
align
them
during
installation
638 products
Thumb
Screws
Tighten
and
loosen
by
hand
without
the
need
for
tools
237 products
Studs
Insert
into
holes
to
add
a
threaded
fastening
point
for
attaching
nuts
101 products
Tapping
Screws
Fasten
a
range
of
materials
together
without
needing
to
tap
the
hole
first
98 products
Hanger
Bolts
Suspend
pipe
and
other
fixtures
with
wire
or
cable
ties
19 products
T
-
Bolts
Turn
by
hand
for
easy
fastening,
use
as
a
handle,
or
attach
as
a
point
for
straps
and
clamps
4 products
Carriage
Bolts
A
smooth
head
provides
a
finished
look
while
a
square
neck
keeps
the
bolt
in
place
when
using
a
nut
13 products
Captive
Panel
Screws
Secure
panels
and
enclosures
while
still
having
access
to
them
50 products
Threaded
Rods
Insert
into
threaded
holes
to
connect
components
1,001 products
Binding
Barrels
and
Screws
Thread
together
for
a
low
-
profile
fastener
29 products
Spring
Plungers
Apply
accurate,
consistent
pressure
for
positioning,
indexing,
and
ejecting
parts
150 products
Thread
Adapters
Join
threads
of
a
different
type,
size,
and
gender
2 products
Standoff
Caps
Create
a
finished
look
on
standoffs
and
protect
them
from
dirt
and
debris
4 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)