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System
of
Measurement
Inch
Metric
Thread
Size
See all
4
-
40
Length
1
/
1
6
"
5
/
6
4
"
3
/
3
2
"
1
/
8
"
9
/
6
4
"
5
/
3
2
"
1
1
/
6
4
"
3
/
1
6
"
0
.
1
9
1
"
0
.
1
9
7
"
7
/
3
2
"
1
/
4
"
9
/
3
2
"
1
9
/
6
4
"
5
/
1
6
"
Material
Aluminum
Brass
Ceramic
Fiberglass
Nickel
Plastic
Silicon
Bronze
Stainless
Steel
Steel
Titanium
Fastener
Head
Type
Flat
Headless
Hex
Oval
Rounded
Socket
Thumb
Drive
Style
Drilled
Spanner
External
Hex
External
Square
Hex
One
Way
Phillips
Slotted
Tamper
-
Resistant
Hex
Tamper
-
Resistant
Torx
Torx
Torx
Plus
Threading
Fully
Threaded
Partially
Threaded
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
C
a
d
m
i
u
m
P
l
a
t
e
d
C
a
d
m
i
u
m
Y
e
l
l
o
w
-
C
h
r
o
m
a
t
e
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
r
y
F
i
l
m
L
u
b
r
i
c
a
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
S
i
l
v
e
r
P
l
a
t
e
d
T
i
n
P
l
a
t
e
d
T
i
n
Z
i
n
c
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
P
l
a
t
e
d
Socket
Head
Profile
High
Low
Standard
Ultra
Low
Head
Diameter
0.172"
0.183"
3/16"
0.188"
0.190"
0.210"
0.211"
0.212"
0.213"
0.215"
0.219"
0.224"
0.225"
0.235"
0.238"
1/4"
0.255"
0.257"
0.281"
19/64"
5/16"
21/64"
3/8"
0.417"
0.422"
1/2"
0.505"
3/4"
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
912
Federal
Specification
IFI
-
124
ISO
4762
NAS
SAE
Standard
Head
Height
0
.
0
2
5
"
0
.
0
3
3
"
0
.
0
3
5
"
0
.
0
4
6
"
3
/
6
4
"
0
.
0
4
7
"
0
.
0
4
9
"
0
.
0
5
5
"
0
.
0
5
9
"
1
/
1
6
"
0
.
0
6
3
"
0
.
0
6
5
"
0
.
0
6
7
"
0
.
0
6
8
"
0
.
0
6
9
"
Thread
Direction
Left
Hand
Right
Hand
Thread
Type
UNC
UNF
UNJC
UNJF
UNRC
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
Metric
Class
6g
Metric
Class
6H
Unified
Standard
Class
1A
Unified
Standard
Class
1B
Unified
Standard
Class
2A
Unified
Standard
Class
2B
Unified
Standard
Class
3A
Unified
Standard
Class
3B
Rounded
Head
Style
Binding
Button
Fillister
Pan
Round
Truss
RoHS
Compliance
RoHS
3
(2015/863/EU)
Compliant
RoHS
3
(2015/863/EU)
Compliant
with
Exemptions
Not
Compliant
Thread
Spacing
Coarse
Fine
Drive
Size
3/64"
0.050"
1/16"
5/64"
3/32"
1/8"
IP8
IP10
No.
1
No.
2
No.
4
T8
T10
Countersink
Angle
82°
100°
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
5
6
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
5
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
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
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
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3,542 Products
Fastening and Joining
Socket
Head
Screws
With
a
deeper
drive
than
flat
and
rounded
head
screws,
these
withstand
more
torque
for
a
tighter
hold
321 products
Rounded
Head
Screws
Sit
just
above
the
surface
for
a
low
-
profile
finish
and
hold
tighter
than
flat
head
screws
750 products
Flat
Head
Screws
Fit
in
countersunk
holes
for
a
flush
finish
387 products
Hex
Head
Screws
Used
with
nuts
to
create
a
stronger
joint
than
flat
and
rounded
screws
40 products
Set
Screws
Exert
pressure
at
the
tip
to
hold
parts
in
place,
unlike
screws
that
hold
material
together
with
threads
193 products
Shoulder
Screws
Rotate
parts
around
the
cylinder
under
the
head
to
guide
and
align
them
during
installation
301 products
Thumb
Screws
Tighten
and
loosen
by
hand
without
the
need
for
tools
56 products
Captive
Panel
Screws
Secure
panels
and
enclosures
while
still
having
access
to
them
23 products
Tapping
Screws
Fasten
a
range
of
materials
together
without
needing
to
tap
the
hole
first
49 products
Jack
Screws
Secure
computer
cables
and
panels
24 products
Studs
Insert
into
holes
to
add
a
threaded
fastening
point
for
attaching
nuts
17 products
Hex
Nuts
Handle
most
general
fastening
needs
29 products
Locknuts
Hold
fasteners
in
place
to
prevent
loosening
from
vibration
25 products
Thumb
Nuts
Easy
to
tighten
and
loosen
by
hand
for
making
frequent
adjustments
17 products
Coupling
Nuts
Connect
and
extend
threaded
rods
7 products
Cap
Nuts
Cover
and
protect
threads
while
adding
a
finished
look
8 products
Socket
Nuts
Install
in
recessed
holes
and
tight
spots
where
a
wrench
won’t
fit;
also
known
as
Allen
nuts
2 products
Square
Nuts
Flat
sides
won’t
spin
in
channels
and
square
holes
4 products
Flange
Nuts
The
flange
distributes
pressure,
so
you
don't
need
a
washer
8 products
Threaded
Inserts
Create
new
threads
or
repair
stripped
threads
95 products
Press
-
Fit
Nuts
Push
into
drilled
or
punched
holes
to
add
threads
to
thin
panels
19 products
Rivet
-
Mount
Nuts
Add
threads
in
hard
-
to
-
reach
areas
and
materials
that
are
too
thin
to
be
tapped
5 products
Rivet
Nuts
Add
threads
to
thin
panels
with
access
from
only
one
side;
also
known
as
blind
inserts
4 products
Push
Nuts
Press
onto
threads
for
a
light
duty
hold
that’s
faster
to
install
than
typical
nuts
1 product
Weld
Nuts
Weld
to
metal
surfaces
to
add
permanent
threads
1 product
Standoffs
Threaded
to
separate
or
connect
parts
as
well
as
position
components
in
assemblies
821 products
Standoff
Caps
Create
a
finished
look
on
standoffs
and
protect
them
from
dirt
and
debris
4 products
Thread
Adapters
Join
threads
of
a
different
type,
size,
and
gender
168 products
Threaded
Rods
Insert
into
threaded
holes
to
connect
components
71 products
Push
Nut
Installation
Tools
Press
nuts
and
retaining
rings
onto
threaded
fasteners
and
shafts
1 product
Rivet
Nut
Tools
Install
rivet
nuts
3 products
Fabricating and Machining
Clamps
Hold
workpieces
securely
in
place
8 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)