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System
of
Measurement
Inch
Metric
Thread
Size
1
-
6
4
2
-
5
6
3
-
4
8
4
-
3
6
4
-
4
0
5
-
4
0
6
-
3
2
8
-
3
2
1
0
-
2
4
1
0
-
3
2
1
2
-
2
4
1
/
4
"
-
2
0
1
/
4
"
-
2
8
5
/
1
6
"
-
1
8
5
/
1
6
"
-
2
4
Material
Aluminum
Brass
Carbon
Fiber
Ceramic
Fiberglass
Iron
Nickel
Plastic
Silicon
Bronze
Stainless
Steel
Steel
Titanium
Zinc
Nut
Type
Adhesive
Mount
Cap
Clip
On
Coupling
Dowel
Flange
Hex
Locknut
Press
Fit
Push
Button
Rivet
Rivet
Mount
Round
Screw
Mount
Sealing
Snap
In
Socket
Square
Tamper
Resistant
Thumb
Tube
End
Twist
Close
Weld
Hex
Nut
Profile
Heavy
High
Narrow
Standard
Thin
Thin
Heavy
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
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
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
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
Thread
Direction
Left
Hand
Right
Hand
Height
0
.
0
3
6
"
3
/
6
4
"
0
.
0
5
8
"
1
/
1
6
"
5
/
6
4
"
3
/
3
2
"
7
/
6
4
"
0
.
1
1
7
"
1
/
8
"
9
/
6
4
"
5
/
3
2
"
0
.
1
7
"
1
1
/
6
4
"
0
.
1
7
7
"
3
/
1
6
"
Width
1
/
8
"
5
/
3
2
"
3
/
1
6
"
7
/
3
2
"
1
5
/
6
4
"
1
/
4
"
1
7
/
6
4
"
1
9
/
6
4
"
5
/
1
6
"
2
1
/
6
4
"
1
1
/
3
2
"
2
3
/
6
4
"
3
/
8
"
2
7
/
6
4
"
7
/
1
6
"
Fastener
Strength
Grade/Class
ASME
Grade
F
ASME
Grade
G
ASTM
Grade
2H
ASTM
Grade
7
ASTM
Grade
8
ASTM
Grade
8M
ASTM
Grade
C
ASTM
Grade
DH
ISO
Class
04
ISO
Class
5
ISO
Class
6
ISO
Class
8
ISO
Class
10
ISO
Class
12
SAE
Grade
2
SAE
Grade
5
SAE
Grade
8
SAE
Grade
9
Thread
Pitch
0.25
mm
0.3
mm
0.35
mm
0.4
mm
0.45
mm
0.5
mm
0.6
mm
0.7
mm
0.8
mm
1
mm
1.25
mm
1.4
mm
1.5
mm
1.75
mm
2
mm
2.5
mm
3
mm
3.5
mm
4
mm
4.5
mm
5
mm
5.5
mm
6
mm
Thread
Type
Metric
UN
UNC
UNF
UNJC
UNS
Thread
Spacing
See all
Coarse
Locking
Type
Cotter
Pin
Distorted
Thread
Flex
-
Top
Lock
Washer
Nylon
Insert
Serrations
Spring
-
Stop
Steel
Insert
Thread
Forming
Threadlocker
Thread
Fit
ASME
Interference
Class
5
Metric
Class
4H
Metric
Class
5H
Metric
Class
6g
Metric
Class
6G
Metric
Class
6H
Metric
Class
7H
Metric
Interference
Sk6
Unified
Standard
Class
1A
Unified
Standard
Class
1B
Unified
Standard
Class
2A
Unified
Standard
Class
2B
Unified
Standard
Class
3B
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
Standard
EN
1664
Federal
Specification
ISO
Standard
Japanese
Industrial
Standard
(JIS)
NAS
SAE
J995
UL
Standard
Drive
Style
Drilled
Spanner
External
12
-
Point
External
Hex
External
Square
Hex
Serrated
Edge
Slotted
Tri
-
Groove
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
DFARS
Compliance
Specialty
Metals
Compliant
(252.225
-
7008)
Specialty
Metals
Compliant
(252.225
-
7009)
Specialty
Metals
COTS
-
Exempt
Not
Specialty
Metals
Compliant
Flange
Diameter
0
.
1
6
7
"
0
.
1
7
"
1
1
/
6
4
"
0
.
2
"
0
.
2
0
6
"
0
.
2
1
1
"
1
5
/
6
4
"
0
.
2
4
"
0
.
2
4
4
"
0
.
2
6
9
"
0
.
2
8
"
0
.
2
9
"
0
.
3
0
6
"
0
.
3
1
"
0
.
3
1
5
"
Length
0
.
2
"
0
.
2
2
"
0
.
2
3
"
0
.
2
4
"
1
/
4
"
0
.
2
7
"
0
.
3
0
1
"
0
.
3
1
"
5
/
1
6
"
0
.
3
2
"
0
.
3
5
5
"
0
.
3
6
3
"
0
.
3
7
"
3
/
8
"
0
.
4
"
Insert
Maximum
Temperature
210°
F
220°
F
225°
F
240°
F
245°
F
250°
F
Not
Rated
Forward
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8,284 Products
Fastening and Joining
Hex
Nuts
Handle
most
general
fastening
needs
2,049 products
Locknuts
Hold
fasteners
in
place
to
prevent
loosening
from
vibration
1,039 products
Flange
Nuts
The
flange
distributes
pressure,
so
you
don't
need
a
washer
541 products
Coupling
Nuts
Connect
and
extend
threaded
rods
481 products
Cap
Nuts
Cover
and
protect
threads
while
adding
a
finished
look.
Also
known
as
acorn
nuts.
320 products
Square
Nuts
Flat
sides
won’t
spin
in
channels
and
square
holes
150 products
Thumb
Nuts
Easy
to
tighten
and
loosen
by
hand
for
making
frequent
adjustments
429 products
Socket
Nuts
Install
in
recessed
holes
and
tight
spots
where
a
wrench
won’t
fit;
also
known
as
Allen
nuts
49 products
Tamper
-
Resistant
Nuts
Hard
to
detach
without
special
tools
to
prevent
unwanted
removal
59 products
Sealing
Nuts
Prevent
leaks
and
block
out
contaminants
with
a
rubber
seal
17 products
Slotted
Round
Nuts
Fasten
with
a
screwdriver
in
tight
spots
where
there's
no
room
for
a
wrench
7 products
Push
-
Button
Nuts
Disengage
the
threads
to
quickly
slide
along
threaded
rods
15 products
Split
Nuts
Swivel
to
attach
at
any
point
on
a
threaded
rod
for
quick
installation
17 products
Press
-
Fit
Nuts
Push
into
drilled
or
punched
holes
to
add
threads
to
thin
panels
218 products
Weld
Nuts
Weld
to
metal
surfaces
to
add
permanent
threads
187 products
Rivet
Nuts
Add
threads
to
thin
panels
with
access
from
only
one
side;
also
known
as
blind
inserts
234 products
Threaded
Inserts
Create
new
threads
or
repair
stripped
threads
260 products
Clip
-
On
Nuts
Slide
onto
the
edge
of
thin
panels
to
create
a
fastening
point
91 products
Screw
-
Mount
Nuts
Mount
with
screws,
rivets,
and
nails
to
add
threads
to
a
surface
25 products
Snap
-
In
Nuts
Push
into
square
holes
in
thin
materials
to
add
bolts
for
aligning
off
-
center
parts
42 products
Adhesive
-
Mount
Nuts
Attach
threads
to
material
that’s
too
thin
for
a
threaded
insert
36 products
Dowel
Nuts
Form
joints
in
blind
holes
in
wood
11 products
Tube
-
Connecting
Nuts
Push
inside
tubes
to
join
them
with
a
threaded
stud
instead
of
welding
21 products
Rivet
-
Mount
Nuts
Add
threads
in
hard
-
to
-
reach
areas
and
materials
that
are
too
thin
to
be
tapped
18 products
Binding
Barrels
and
Screws
Thread
together
for
a
low
-
profile
fastener
839 products
Thumb
Screws
Tighten
and
loosen
by
hand
without
the
need
for
tools
130 products
Studs
Insert
into
holes
to
add
a
threaded
fastening
point
for
attaching
nuts
325 products
Hanger
Bolts
Suspend
pipe
and
other
fixtures
with
wire
or
cable
ties
2 products
Joint
Clamps
for
Wood
Make
secure
joints
between
boards,
butcher
blocks,
and
countertops
3 products
Threaded
Rods
Insert
into
threaded
holes
to
connect
components
3 products
Fabricating and Machining
Setup
Studs
Secure
setup
clamps
and
fixtures
to
your
machine
table
or
assemble
heavy
machines
619 products
Power Transmission
Bearing
Nuts
Hold
bearings,
bushings,
pulleys,
and
gears
in
place
on
threaded
shafts
and
spindles
1 product
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)