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System
of
Measurement
Inch
Thread
Size
6
-
3
2
8
-
3
2
1
0
-
2
4
1
0
-
3
2
1
/
4
"
-
1
6
1
/
4
"
-
2
0
1
/
4
"
-
2
8
5
/
1
6
"
-
1
8
5
/
1
6
"
-
2
4
3
/
8
"
-
1
2
3
/
8
"
-
1
6
3
/
8
"
-
2
4
7
/
1
6
"
-
1
4
7
/
1
6
"
-
2
0
1
/
2
"
-
1
0
Length
1
/
4
"
3
/
8
"
7
/
1
6
"
1
/
2
"
9
/
1
6
"
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
"
Fastener
Strength
Grade/Class
See all
SAE
Grade
5
Finish
Black
Oxide
Cadmium
Plated
Corrosion
-
Resistant
Coated
Zinc
Flake
Coated
Zinc
Plated
Zinc
Yellow
-
Chromate
Plated
Threading
Fully
Threaded
Partially
Threaded
Fastener
Head
Type
Flat
Hex
Rounded
Square
Material
Carbon
Steel
Steel
Head
Width
1
/
4
"
5
/
1
6
"
3
/
8
"
7
/
1
6
"
1
/
2
"
9
/
1
6
"
5
/
8
"
3
/
4
"
1
3
/
1
6
"
1
5
/
1
6
"
1
1
/
8
"
1
5
/
1
6
"
1
1
/
2
"
1
1
1
/
1
6
"
1
7
/
8
"
Thread
Direction
Left
Hand
Right
Hand
Thread
Type
Acme
UNC
UNF
UNS
Thread
Spacing
Coarse
Fine
Extra
Fine
Head
Height
3
/
3
2
"
7
/
6
4
"
9
/
6
4
"
0
.
1
4
5
"
5
/
3
2
"
1
1
/
6
4
"
0
.
1
7
6
"
3
/
1
6
"
1
3
/
6
4
"
0
.
2
0
8
"
7
/
3
2
"
1
5
/
6
4
"
0
.
2
3
9
"
1
/
4
"
0
.
2
7
"
Drive
Style
External
Hex
External
Square
Hex
Specifications
Met
ASME
Standard
ASTM
Standard
IFI
-
111
SAE
J429
Screw
Features
Flanged
Screw
Size
1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
7/8"
1"
Color
Black
Thread
Fit
Acme
Class
2G
Unified
Standard
Class
2A
Unified
Standard
Class
3A
Tensile
Strength
30,000
psi
to
99,999
psi
100,000
psi
or
greater
DFARS
Compliance
Specialty
Metals
Compliant
(252.225
-
7009)
Specialty
Metals
COTS
-
Exempt
REACH
Compliance
REACH
(EC
1907/2006)
(11/07/2024,
242
SVHC)
Compliant
REACH
(EC
1907/2006)
(06/27/2024,
241
SVHC)
Compliant
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)
(01/17/2022,
223
SVHC)
Compliant
Not
Compliant
RoHS
Compliance
RoHS
3
(2015/863/EU)
Compliant
Not
Compliant
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1,498 Products
Fastening and Joining
Hex Head Screws
Used with nuts to create a stronger joint than flat and rounded screws
1,030 products
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A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut
238 products
Square Head Screws
Turn the large flat sides with a wrench into square holes that stop further rotation
55 products
Plow Bolts
The head sits flush with countersunk holes while the bolt stays in place when tightening a nut
20 products
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Create a flush joint to allow movement in tight spaces such as grain elevators and belting systems
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Secure anything from signs to heavy machinery in concrete, brick, and drywall
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Components travel along a screw with broad, square threads to clamp and lift heavy loads
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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)