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System
of
Measurement
Metric
Thread
Size
See all
M20
Length
1
1
/
4
"
1
1
/
2
"
1
3
7
/
6
4
"
1
4
7
/
6
4
"
2
0
m
m
2
5
m
m
3
0
m
m
3
5
m
m
4
0
m
m
4
4
.
2
m
m
4
5
m
m
5
0
m
m
5
5
m
m
5
8
m
m
6
0
m
m
Fastener
Head
Type
Flat
Headless
Hex
Rounded
Socket
Square
Thread
Pitch
1.5
mm
2
mm
2.5
mm
4
mm
5
mm
7.5
mm
Threading
Fully
Threaded
Partially
Threaded
Threaded
on
Both
Ends
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
Material
Aluminum
Brass
Bronze
Plastic
Stainless
Steel
Steel
Finish
Black
Oxide
Dyed
Galvanized
Nylon
Coated
Passivated
Powder
Coated
Zinc
Plated
Zinc
Yellow
-
Chromate
Plated
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
Standard
ISO
Standard
SAE
J1199
Thread
Spacing
Coarse
Fine
Extra
Fine
Socket
Head
Profile
Low
Standard
Drive
Style
External
Hex
External
Square
Hex
Hex
with
Pilot
Recess
Thread
Type
Metric
Metric
Ball
Metric
Rounded
Trapezoidal
Metric
Trapezoidal
Roller
UNC
Head
Height
8.5
mm
10.9
mm
11
mm
12
mm
12.5
mm
12.7
mm
13
mm
14
mm
16
mm
20
mm
Tensile
Strength
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
Direction
Left
Hand
Right
Hand
Right
Hand
and
Left
Hand
Hardness
B
r
i
n
e
l
l
7
0
B
r
i
n
e
l
l
1
2
6
B
r
i
n
e
l
l
1
5
0
B
r
i
n
e
l
l
1
6
0
B
r
i
n
e
l
l
1
6
7
D
u
r
o
m
e
t
e
r
7
4
D
R
o
c
k
w
e
l
l
B
4
9
R
o
c
k
w
e
l
l
B
5
5
R
o
c
k
w
e
l
l
B
7
0
R
o
c
k
w
e
l
l
B
7
2
R
o
c
k
w
e
l
l
B
7
7
R
o
c
k
w
e
l
l
B
7
9
R
o
c
k
w
e
l
l
B
8
2
R
o
c
k
w
e
l
l
C
2
0
R
o
c
k
w
e
l
l
C
2
1
Thread
Fit
Metric
Class
4g6g
Metric
Class
5g6g
Metric
Class
6g
Metric
Class
6h
Metric
Trapezoidal
Class
7e
Metric
Trapezoidal
Class
7H
Metric
Trapezoidal
Class
8e
RoHS
Compliance
RoHS
3
(2015/863/EU)
Compliant
RoHS
3
(2015/863/EU)
Compliant
with
Exemptions
Head
Width
22
mm
30
mm
32
mm
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
Not
Compliant
Head
Diameter
30
mm
36
mm
43
mm
Forward
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525 Products
Fastening and Joining
Hex
Head
Screws
Used
with
nuts
to
create
a
stronger
joint
than
flat
and
rounded
screws
140 products
Socket
Head
Screws
With
a
deeper
drive
than
flat
and
rounded
head
screws,
these
withstand
more
torque
for
a
tighter
hold
89 products
Flat
Head
Screws
Fit
in
countersunk
holes
for
a
flush
finish
21 products
Shoulder
Screws
Rotate
parts
around
the
cylinder
under
the
head
to
guide
and
align
them
during
installation
52 products
Set
Screws
Exert
pressure
at
the
tip
to
hold
parts
in
place,
unlike
screws
that
hold
material
together
with
threads
64 products
Carriage
Bolts
A
smooth
head
provides
a
finished
look
while
a
square
neck
keeps
the
bolt
in
place
when
using
a
nut
1 product
Threaded
Rods
Insert
into
threaded
holes
to
connect
components
67 products
Spring
Plungers
Apply
accurate,
consistent
pressure
for
positioning,
indexing,
and
ejecting
parts
2 products
Power Transmission
Lead
Screws
and
Nuts
Components
travel
along
a
screw
with
broad,
square
threads
to
clamp
and
lift
heavy
loads
20 products
Ball
Screws
and
Nuts
Internal
ball
bearings
roll
on
screws
for
low
friction
when
moving
components
at
high
speeds
10 products
Connecting
Rods
Use
with
rod
ends
and
swivel
joints
to
link
components
in
push/pull
assemblies
7 products
Roller
Screws
and
Nuts
More
contact
points
to
move
heavier
loads
than
ball
and
lead
screw
assemblies
4 products
Fabricating and Machining
Setup
Studs
Secure
setup
clamps
and
fixtures
to
your
machine
table
or
assemble
heavy
machines
27 products
T
-
Slot
Nut
and
Setup
Stud
Kits
Mount
fixtures
of
different
sizes
to
your
machine
table
1 product
Material Handling
Eyebolts
Route
rope
through
the
loop
or
attach
hooks
and
shackles
for
lifting
7 products
Eye
Nuts
Pair
with
bolts
or
threaded
rod
to
lift
and
hang
components
3 products
Measuring and Inspecting
Transfer
Punches
Mark
the
center
of
an
existing
hole
onto
a
separate
workpiece
1 product
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)