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System
of
Measurement
Inch
Metric
Thread
Size
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8
-
32
Length
3
/
3
2
"
7
/
6
4
"
1
/
8
"
5
/
3
2
"
3
/
1
6
"
7
/
3
2
"
1
/
4
"
0
.
2
8
"
9
/
3
2
"
0
.
2
9
"
1
9
/
6
4
"
5
/
1
6
"
1
1
/
3
2
"
0
.
3
5
"
0
.
3
5
5
"
Material
Aluminum
Aluminum
Oxide
Ceramic
Brass
Nickel
Plastic
Stainless
Steel
Steel
Titanium
Zinc
Fastener
Head
Type
Eye
Flat
Headless
Hex
Oval
Rounded
Socket
Thumb
Drive
Style
Asymmetrical
Drilled
Spanner
External
Hex
Hex
One
Way
Phillips
Slotted
Spring
Plunger
Wrench
Tamper
-
Resistant
Hex
Tamper
-
Resistant
Torx
Tamper
-
Resistant
Torx
Plus
Torx
Torx
Plus
Tri
-
Groove
Threading
Fully
Threaded
Partially
Threaded
Threaded
on
Both
Ends
Threaded
on
One
End
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
h
r
o
m
e
P
l
a
t
e
d
C
o
p
p
e
r
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
N
e
o
p
r
e
n
e
C
o
a
t
e
d
P
a
s
s
i
v
a
t
e
d
P
T
F
E
C
o
a
t
e
d
S
i
l
v
e
r
P
l
a
t
e
d
T
i
n
P
l
a
t
e
d
T
i
n
Z
i
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c
P
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a
t
e
d
Head
Diameter
3
/
1
6
"
1
/
4
"
0
.
2
6
6
"
0
.
2
7
"
0
.
2
8
"
0
.
2
8
1
"
0
.
3
0
3
"
0
.
3
0
9
"
0
.
3
1
2
"
5
/
1
6
"
0
.
3
1
3
"
0
.
3
1
4
"
0
.
3
2
0
"
0
.
3
2
2
"
0
.
3
2
7
"
Socket
Head
Profile
High
Low
Standard
Ultra
Low
Head
Height
3
/
6
4
"
0
.
0
4
8
"
0
.
0
5
5
"
0
.
0
5
9
"
1
/
1
6
"
0
.
0
7
"
0
.
0
7
2
"
0
.
0
7
6
"
0
.
0
7
8
"
5
/
6
4
"
0
.
0
8
2
"
0
.
0
8
5
"
0
.
0
8
7
"
3
/
3
2
"
0
.
0
9
4
"
Thread
Direction
Left
Hand
Right
Hand
Thread
Type
UNC
UNRC
Rounded
Head
Style
Binding
Button
Carriage
Fillister
Pan
Round
Truss
Screw
Size
No.
8
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
912
Federal
Specification
IFI
-
111
ISO
4762
NAS
SAE
Standard
Drive
Size
0
.
0
5
0
"
1
/
1
6
"
5
/
6
4
"
3
/
3
2
"
1
/
8
"
9
/
6
4
"
5
/
3
2
"
3
/
1
6
"
I
P
1
5
I
P
2
0
I
P
2
5
I
P
R
1
5
I
P
R
2
0
N
o
.
2
N
o
.
6
Countersink
Angle
82°
100°
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
Flat
Head
Profile
Standard
Undercut
Thread
Spacing
Coarse
Head
Width
1/4"
5/16"
23/64"
3/8"
7/16"
15/32"
1/2"
49/64"
Thread
Fit
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
3A
Unified
Standard
Class
3B
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