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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
"
Fastener
Head
Type
Flat
Headless
Hex
Oval
Rounded
Socket
Thumb
Material
Aluminum
Aluminum
Oxide
Ceramic
Brass
Nickel
Plastic
Stainless
Steel
Steel
Titanium
Drive
Style
Drilled
Spanner
External
Hex
Hex
One
Way
Phillips
Slotted
Tamper
-
Resistant
Hex
Tamper
-
Resistant
Torx
Torx
Torx
Plus
Threading
Fully
Threaded
Partially
Threaded
Finish
Anodized
Black
Oxide
Black
Zinc
Plated
Cadmium
Plated
Chrome
Plated
Corrosion
-
Resistant
Coated
Passivated
Silver
Plated
Titanium
Carbon
Nitride
(TiCN)
Coated
Zinc
Plated
Zinc
Yellow
-
Chromate
Plated
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"
0.505"
Socket
Head
Profile
High
Low
Standard
Ultra
Low
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
7
"
0
.
0
6
8
"
0
.
0
6
9
"
0
.
0
7
"
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
912
Federal
Specification
IFI
-
124
ISO
4762
NAS
SAE
Standard
Rounded
Head
Style
Binding
Button
Fillister
Pan
Round
Truss
Thread
Direction
Left
Hand
Right
Hand
Countersink
Angle
82°
100°
Thread
Type
UNC
UNRC
Drive
Size
3/64"
0.050"
1/16"
5/64"
3/32"
1/8"
IP8
IP10
No.
1
No.
2
No.
4
T8
T10
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
2A
Unified
Standard
Class
2B
Unified
Standard
Class
3A
Thread
Spacing
Coarse
Flat
Head
Profile
Standard
Undercut
RoHS
Compliance
RoHS
3
(2015/863/EU)
Compliant
RoHS
3
(2015/863/EU)
Compliant
with
Exemptions
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
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2,765 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
Set
Screws
Exert
pressure
at
the
tip
to
hold
parts
in
place,
unlike
screws
that
hold
material
together
with
threads
193 products
Hex
Head
Screws
Used
with
nuts
to
create
a
stronger
joint
than
flat
and
rounded
screws
40 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
Tapping
Screws
Fasten
a
range
of
materials
together
without
needing
to
tap
the
hole
first
49 products
Captive
Panel
Screws
Secure
panels
and
enclosures
while
still
having
access
to
them
23 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
Standoffs
Threaded
to
separate
or
connect
parts
as
well
as
position
components
in
assemblies
311 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
Measuring and Inspecting
Transfer
Punches
Mark
the
center
of
an
existing
hole
onto
a
separate
workpiece
1 product
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.)