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System
of
Measurement
Inch
Metric
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Size
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1/4"
-
20
Material
Aluminum
Brass
Carbon
Fiber
Ceramic
Fiberglass
Fiberglass
-
Reinforced
Plastic
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Plastic
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Steel
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Zinc
Nut
Type
Adhesive
Mount
Cap
Clip
On
Coupling
Dowel
Externally
Threaded
Flange
Hex
Locknut
Press
Fit
Push
Push
Button
Rivet
Screw
Mount
Sealing
Snap
In
Socket
Square
Tamper
Resistant
Thumb
Tube
End
Twist
Close
Weld
Hex
Nut
Profile
Heavy
High
Standard
Thin
Thin
Heavy
Finish
B
l
a
c
k
O
x
i
d
e
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l
a
c
k
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i
n
c
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l
a
t
e
d
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r
o
n
z
e
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l
a
t
e
d
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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
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a
l
v
a
n
i
z
e
d
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l
a
z
e
d
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e
o
p
r
e
n
e
C
o
a
t
e
d
N
i
c
k
e
l
C
h
r
o
m
e
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l
a
t
e
d
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i
c
k
e
l
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a
t
e
d
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a
s
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v
a
t
e
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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
Thread
Direction
Left
Hand
Right
Hand
Width
5/16"
3/8"
27/64"
7/16"
15/32"
1/2"
0.52"
0.53"
9/16"
5/8"
7/8"
1"
1
3/64"
1
1/8"
1
1/4"
1
3/8"
1
1/2"
1
7/8"
3"
Height
0
.
1
1
7
"
5
/
3
2
"
1
1
/
6
4
"
0
.
1
7
7
"
3
/
1
6
"
1
3
/
6
4
"
7
/
3
2
"
1
5
/
6
4
"
1
/
4
"
0
.
2
6
5
"
1
7
/
6
4
"
9
/
3
2
"
1
9
/
6
4
"
5
/
1
6
"
2
1
/
6
4
"
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
SAE
Grade
2
SAE
Grade
5
SAE
Grade
8
SAE
Grade
9
Thread
Spacing
Coarse
Fine
Locking
Type
Cotter
Pin
Distorted
Thread
Flex
-
Top
Lock
Washer
Nylon
Insert
Serrations
Thread
Forming
Threadlocker
Thread
Type
Acme
NPT
Rounded
Acme
UNC
UNF
UNJC
Thread
Fit
Acme
Class
2C
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
3B
Drive
Style
Drilled
Spanner
External
12
-
Point
External
Hex
External
Square
Hex
Serrated
Edge
Slotted
Tri
-
Groove
Specifications
Met
ASME
Standard
ASTM
Standard
Federal
Specification
MSS
SP
-
69
Type
15
NASM17830
SAE
Standard
UL
50
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
0.4"
0.437"
7/16"
0.473"
0.475"
0.492"
1/2"
0.54"
0.56"
9/16"
0.571"
37/64"
19/32"
0.594"
5/8"
0.63"
0.635"
0.645"
0.669"
0.685"
47/64"
0.748"
3/4"
13/16"
7/8"
1"
1
1/4"
Length
1
/
8
"
3
/
1
6
"
0
.
2
"
7
/
3
2
"
0
.
2
2
"
0
.
2
3
"
1
/
4
"
0
.
2
7
"
5
/
1
6
"
0
.
3
6
3
"
3
/
8
"
0
.
4
2
6
"
0
.
4
7
2
"
1
/
2
"
0
.
5
7
9
"
Insert
Maximum
Temperature
220°
F
225°
F
250°
F
Not
Rated
Cap
Nut
Profile
High
Heavy
Low
Open
End
Standard
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1,744 Products
Fastening and Joining
Hex
Nuts
Handle
most
general
fastening
needs
111 products
Locknuts
Hold
fasteners
in
place
to
prevent
loosening
from
vibration
70 products
Flange
Nuts
The
flange
distributes
pressure,
so
you
don't
need
a
washer
39 products
Cap
Nuts
Cover
and
protect
threads
while
adding
a
finished
look
32 products
Thumb
Nuts
Easy
to
tighten
and
loosen
by
hand
for
making
frequent
adjustments
52 products
Coupling
Nuts
Connect
and
extend
threaded
rods
25 products
Square
Nuts
Flat
sides
won’t
spin
in
channels
and
square
holes
10 products
Tamper
-
Resistant
Nuts
Hard
to
detach
without
special
tools
to
prevent
unwanted
removal
8 products
Socket
Nuts
Install
in
recessed
holes
and
tight
spots
where
a
wrench
won’t
fit;
also
known
as
Allen
nuts
2 products
Push
-
Button
Nuts
Disengage
the
threads
to
quickly
slide
along
threaded
rods
3 products
Split
Nuts
Swivel
to
attach
at
any
point
on
a
threaded
rod
for
quick
installation
2 products
Sealing
Nuts
Prevent
leaks
and
block
out
contaminants
with
a
rubber
seal
1 product
Press
-
Fit
Nuts
Push
into
drilled
or
punched
holes
to
add
threads
to
thin
panels
14 products
Rivet
Nuts
Add
threads
to
thin
panels
with
access
from
only
one
side;
also
known
as
blind
inserts
39 products
Threaded
Inserts
Create
new
threads
or
repair
stripped
threads
81 products
Weld
Nuts
Weld
to
metal
surfaces
to
add
permanent
threads
33 products
Clip
-
On
Nuts
Slide
onto
the
edge
of
thin
panels
to
create
a
fastening
point
12 products
Screw
-
Mount
Nuts
Mount
with
screws,
rivets,
and
nails
to
add
threads
to
a
surface
8 products
Dowel
Nuts
Form
joints
in
blind
holes
in
wood
5 products
Snap
-
In
Nuts
Push
into
square
holes
in
thin
materials
to
add
bolts
for
aligning
off
-
center
parts
11 products
Adhesive
-
Mount
Nuts
Attach
threads
to
material
that’s
too
thin
for
a
threaded
insert
4 products
Tube
-
Connecting
Nuts
Push
inside
tubes
to
join
them
with
a
threaded
stud
instead
of
welding
12 products
Push
Nuts
Press
onto
threads
for
a
light
duty
hold
that’s
faster
to
install
than
typical
nuts
4 products
Binding
Barrels
and
Screws
Thread
together
for
a
low
-
profile
fastener
162 products
Thread
Adapters
Join
threads
of
a
different
type,
size,
and
gender
415 products
Standoffs
Threaded
to
separate
or
connect
parts
as
well
as
position
components
in
assemblies
326 products
Studs
Insert
into
holes
to
add
a
threaded
fastening
point
for
attaching
nuts
65 products
Thumb
Screws
Tighten
and
loosen
by
hand
without
the
need
for
tools
18 products
Joint
Clamps
for
Wood
Make
secure
joints
between
boards,
butcher
blocks,
and
countertops
3 products
Hanger
Bolts
Suspend
pipe
and
other
fixtures
with
wire
or
cable
ties
1 product
Rivet
Nut
Tools
Install
rivet
nuts
4 products
Building and Machinery Hardware
Strut
Channel
Framing
and
Fittings
Secure
fittings
in
the
U
-
shaped
channel
to
route
conduit
and
pipe
or
build
other
structures
22 products
T
-
Slotted
Framing
and
Fittings
The
most
versatile
system,
attach
fittings
along
the
continuous
slots
to
build
virtually
anything
9 products
Handle
Nuts
Attach
to
threaded
shafts
to
quickly
turn
the
shafts
by
hand
2 products
Leveling
Mount
Inserts
Slip
onto
equipment
and
furniture
to
add
threaded
-
stud
leveling
feet
7 products
Fabricating and Machining
T
-
Slot
Nuts
Combine
with
setup
studs
to
mount
fixtures
to
machine
tables
8 products
Setup
Studs
Secure
setup
clamps
and
fixtures
to
your
machine
table
or
assemble
heavy
machines
31 products
Clamps
Hold
workpieces
securely
in
place
3 products
Material Handling
Eye
Nuts
Pair
with
bolts
or
threaded
rod
to
lift
and
hang
components
6 products
Turnbuckle
Bodies
Join
turnbuckle
end
fittings
for
adjusting
the
length
and
tension
of
rope
and
chain
4 products
Power Transmission
Lead
Screws
and
Nuts
Components
travel
along
a
screw
with
broad,
square
threads
to
clamp
and
lift
heavy
loads
20 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)