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System
of
Measurement
Inch
Metric
Thread
Size
0
-
8
0
1
-
6
4
1
-
7
2
2
-
5
6
2
-
6
4
3
-
4
8
3
-
5
6
4
-
4
0
4
-
4
8
5
-
4
0
5
-
4
4
6
-
3
2
6
-
4
0
6
-
4
8
6
-
8
0
Length
1
/
1
6
"
5
/
6
4
"
3
/
3
2
"
7
/
6
4
"
1
/
8
"
9
/
6
4
"
5
/
3
2
"
3
/
1
6
"
7
/
3
2
"
1
/
4
"
9
/
3
2
"
5
/
1
6
"
0
.
3
2
2
"
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.
3
4
7
"
3
/
8
"
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Fastener
Head
Type
Flat
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Hex
Rounded
Socket
Thumb
Threading
Fully
Threaded
Partially
Threaded
Threaded
on
Both
Ends
Threaded
on
One
End
Finish
A
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o
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v
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e
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o
t
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p
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s
s
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t
e
d
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h
o
s
p
h
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t
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o
a
t
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T
F
E
C
o
a
t
e
d
S
i
l
v
e
r
P
l
a
t
e
d
Drive
Style
External
Hex
Hex
Hex
with
Pilot
Recess
Phillips
Slotted
Tamper
-
Resistant
Hex
Torx
Fastener
Strength
Grade/Class
ASTM
Grade
B7
ASTM
Grade
B8
ASTM
Grade
B8M
ASTM
Grade
A325
ASTM
Grade
A490
ISO
Class
8.8
ISO
Class
10.9
ISO
Class
12.9
SAE
Grade
5
SAE
Grade
8
SAE
Grade
9
Head
Width
1
/
8
"
3
/
1
6
"
0
.
1
8
8
"
1
/
4
"
0
.
3
1
2
"
5
/
1
6
"
0
.
3
1
3
"
3
/
8
"
7
/
1
6
"
0
.
4
3
8
"
1
/
2
"
0
.
5
6
2
"
9
/
1
6
"
0
.
5
6
3
"
5
/
8
"
Head
Height
0
.
0
3
1
"
1
/
3
2
"
0
.
0
3
2
"
0
.
0
3
3
"
0
.
0
3
9
"
0
.
0
4
2
"
0
.
0
4
3
"
0
.
0
4
4
"
0
.
0
4
6
"
3
/
6
4
"
0
.
0
4
7
"
0
.
0
5
2
"
0
.
0
5
3
"
0
.
0
5
4
"
0
.
0
5
5
"
Thread
Direction
Left
Hand
Right
Hand
Thread
Type
Acme
BSPT
Coil
Metric
NPT
UN
UNC
UNEF
UNF
UNRC
UNRF
UNS
Thread
Pitch
0
.
2
m
m
0
.
2
5
m
m
0
.
3
m
m
0
.
3
5
m
m
0
.
4
m
m
0
.
4
5
m
m
0
.
5
m
m
0
.
6
m
m
0
.
7
m
m
0
.
7
5
m
m
0
.
8
m
m
1
m
m
1
.
2
5
m
m
1
.
5
m
m
1
.
7
5
m
m
Thread
Spacing
Coarse
Fine
Extra
Fine
Ultra
Fine
Socket
Head
Profile
High
Low
Standard
Ultra
Low
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
Standard
Federal
Specification
IFI
-
111
ISO
Standard
Japanese
Industrial
Standard
(JIS)
NAS
SAE
Standard
Screw
Size
N
o
.
4
N
o
.
6
N
o
.
7
N
o
.
8
N
o
.
9
N
o
.
1
0
N
o
.
1
2
N
o
.
1
4
N
o
.
1
7
3
/
1
6
"
1
/
4
"
5
/
1
6
"
3
/
8
"
1
/
2
"
5
/
8
"
Screw
Features
Cutting
Wings
Flanged
Nonmarring
Tip
Sealing
Tension
Indicating
Vented
With
Washer
Head
Diameter
0
.
0
9
6
"
0
.
1
1
4
"
0
.
1
1
6
"
0
.
1
1
8
"
0
.
1
2
9
"
0
.
1
3
8
"
0
.
1
3
9
"
0
.
1
4
"
9
/
6
4
"
0
.
1
4
1
"
0
.
1
4
5
"
5
/
3
2
"
0
.
1
6
1
"
0
.
1
6
4
"
0
.
1
6
8
"
Tip
Type
Ball
Blunt
Cone
Cup
Drilling
Extended
Flat
Oval
Pointed
Soft
Swivel
Tensile
Strength
Less
than
20,000
psi
20,000
psi
to
39,999
psi
40,000
psi
to
59,999
psi
60,000
psi
to
99,999
psi
100,000
psi
or
greater
Not
Rated
Drive
Size
0
.
0
2
8
"
0
.
0
3
5
"
3
/
6
4
"
0
.
0
5
0
"
1
/
1
6
"
5
/
6
4
"
3
/
3
2
"
7
/
6
4
"
1
/
8
"
9
/
6
4
"
0
.
1
5
6
"
5
/
3
2
"
3
/
1
6
"
7
/
3
2
"
1
/
4
"
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35,643 Products
Fastening and Joining
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with
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to
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joint
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range
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the
hole
first
1,203 products
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deeper
drive
than
flat
and
rounded
head
screws,
these
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more
torque
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tighter
hold
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material
to
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or
pieces
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wood
to
each
other
452 products
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just
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surface
for
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low
-
profile
finish
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hold
tighter
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countersunk
holes
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Set
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pressure
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threads
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cylinder
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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)