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Specifications
Met
ANSI
MH16.1
ASME
Standard
ASTM
Standard
DIN
Standard
Federal
Specification
IFI
-
124
ISO
Standard
MSS
Standard
NAS
SAE
Standard
System
of
Measurement
Inch
Metric
Length
1
/
1
6
"
3
/
3
2
"
1
/
8
"
5
/
3
2
"
3
/
1
6
"
7
/
3
2
"
1
/
4
"
9
/
3
2
"
5
/
1
6
"
1
1
/
3
2
"
3
/
8
"
7
/
1
6
"
1
/
2
"
9
/
1
6
"
5
/
8
"
Thread
Size
0
0
0
0
-
1
6
0
0
0
0
-
1
2
0
0
0
-
9
0
0
0
-
9
6
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
Threading
Fully
Threaded
Partially
Threaded
Material
Aluminum
Brass
Bronze
Iron
Nickel
Plastic
Stainless
Steel
Steel
Titanium
Finish
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
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
r
r
o
s
i
o
n
-
R
e
s
i
s
t
a
n
t
C
o
a
t
e
d
G
a
l
v
a
n
i
z
e
d
H
o
t
-
D
i
p
p
e
d
G
a
l
v
a
n
i
z
e
d
N
i
c
k
e
l
P
l
a
t
e
d
P
a
i
n
t
e
d
P
a
s
s
i
v
a
t
e
d
P
h
o
s
p
h
a
t
e
C
o
a
t
e
d
P
o
w
d
e
r
C
o
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
Z
i
n
c
F
l
a
k
e
C
o
a
t
e
d
Fastener
Head
Type
Eye
Flat
Headless
Hex
Oval
Rounded
Socket
Square
Fastener
Strength
Grade/Class
ASTM
Grade
A325
ISO
Class
8.8
ISO
Class
10.9
ISO
Class
12.9
SAE
Grade
2
SAE
Grade
5
SAE
Grade
8
Head
Width
1
/
8
"
3
/
1
6
"
0
.
1
8
8
"
1
/
4
"
5
/
1
6
"
0
.
3
1
3
"
3
/
8
"
1
3
/
3
2
"
7
/
1
6
"
0
.
4
3
8
"
1
/
2
"
9
/
1
6
"
0
.
5
6
3
"
5
/
8
"
3
/
4
"
Drive
Style
Asymmetrical
Drilled
Spanner
External
Hex
External
Square
Hex
One
Way
Phillips
Slotted
Tamper
-
Resistant
Hex
Tamper
-
Resistant
Torx
Tamper
-
Resistant
Torx
Plus
Torx
Torx
Plus
Thread
Direction
Left
Hand
Right
Hand
Thread
Type
Metric
UNC
UNEF
UNF
UNRC
UNRF
UNS
Head
Height
0
.
0
1
1
"
0
.
0
1
6
"
0
.
0
1
8
"
0
.
0
2
5
"
0
.
0
2
6
"
0
.
0
2
8
"
0
.
0
3
0
"
0
.
0
3
1
"
0
.
0
3
2
"
0
.
0
3
3
"
0
.
0
3
5
"
0
.
0
3
6
"
0
.
0
3
7
"
0
.
0
3
9
"
0
.
0
4
1
"
Thread
Spacing
Coarse
Fine
Extra
Fine
Screw
Size
N
o
.
2
N
o
.
3
N
o
.
4
N
o
.
5
N
o
.
6
N
o
.
7
N
o
.
8
N
o
.
1
0
N
o
.
1
2
N
o
.
1
4
1
/
4
"
5
/
1
6
"
3
/
8
"
1
/
2
"
5
/
8
"
Screw
Features
Flanged
Nonmarring
Tip
Sealing
Vented
With
Washer
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
Socket
Head
Profile
Standard
Grip
Length
1
/
2
"
5
/
8
"
3
/
4
"
7
/
8
"
1
"
1
1
/
8
"
1
1
/
4
"
1
3
/
8
"
1
1
/
2
"
1
5
/
8
"
1
3
/
4
"
1
7
/
8
"
2
"
2
1
/
8
"
2
1
/
4
"
Head
Diameter
0
.
0
3
8
"
0
.
0
4
0
"
0
.
0
5
6
"
0
.
0
6
0
"
0
.
0
6
1
"
0
.
0
6
2
"
0
.
0
6
5
"
0
.
0
8
2
"
0
.
0
8
6
"
0
.
0
8
9
"
0
.
0
9
6
"
0
.
1
0
7
"
0
.
1
1
2
"
0
.
1
1
3
"
0
.
1
1
4
"
Thread
Fit
Metric
Class
4g6g
Metric
Class
5g6g
Metric
Class
6g
Metric
Class
6h
Unified
Standard
Class
2A
Unified
Standard
Class
2B
Unified
Standard
Class
3A
Drive
Size
0
.
0
2
8
"
0
.
0
3
5
"
0
.
0
5
0
"
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
"
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22,773 Products
Fastening and Joining
Hex Head Screws
Used with nuts to create a stronger joint than flat and rounded screws
4,129 products
Rounded Head Screws
Sit just above the surface for a low-profile finish and hold tighter than flat head screws
5,892 products
Flat Head Screws
Fit in countersunk holes for a flush finish
3,414 products
Socket Head Screws
With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold
2,088 products
Carriage Bolts
A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut
747 products
Shoulder Screws
Rotate parts around the cylinder under the head to guide and align them during installation
1,791 products
Set Screws
Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads
3,143 products
Tapping Screws
Fasten a range of materials together without needing to tap the hole first
490 products
Square Head Screws
Turn the large flat sides with a wrench into square holes that stop further rotation
80 products
Plow Bolts
The head sits flush with countersunk holes while the bolt stays in place when tightening a nut
20 products
Wood Screws
Fasten material to wood or pieces of wood to each other
353 products
Hanger Bolts
Suspend pipe and other fixtures with wire or cable ties
7 products
Weld Nuts
Weld to metal surfaces to add permanent threads
43 products
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334 products
Eye Nuts
Pair with bolts or threaded rod to lift and hang components
4 products
U-Bolts
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139 products
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2 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)