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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
"
3
/
8
"
1
3
/
3
2
"
7
/
1
6
"
Fastener
Head
Type
Flat
Headless
Hex
Rounded
Socket
Thumb
Material
Aluminum
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Threading
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Drive
Style
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Hex
Hex
Hex
with
Pilot
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Square
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-
Resistant
Hex
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Plus
Socket
Head
Profile
High
Low
Standard
Ultra
Low
Finish
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Black
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Cadmium
Plated
Chrome
Plated
Dyed
Galvanized
Passivated
Silver
Plated
Titanium
Carbon
Nitride
(TiCN)
Coated
Zinc
Flake
Coated
Zinc
Plated
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
"
Thread
Pitch
0.2
mm
0.25
mm
0.3
mm
0.35
mm
0.4
mm
0.45
mm
0.5
mm
0.6
mm
0.7
mm
0.75
mm
0.8
mm
1
mm
1.25
mm
1.5
mm
1.75
mm
2
mm
2.5
mm
3
mm
3.5
mm
4
mm
4.5
mm
5
mm
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
Type
Metric
UN
UNC
UNEF
UNF
UNRC
UNRF
UNS
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
"
Thread
Direction
Left
Hand
Right
Hand
Thread
Spacing
Coarse
Fine
Extra
Fine
Ultra
Fine
Shoulder
Length
3
/
6
4
"
1
/
1
6
"
5
/
6
4
"
3
/
3
2
"
7
/
6
4
"
1
/
8
"
0
.
1
3
"
t
o
1
.
9
9
"
5
/
3
2
"
1
1
/
6
4
"
3
/
1
6
"
7
/
3
2
"
1
/
4
"
1
/
4
"
t
o
1
.
9
9
"
9
/
3
2
"
5
/
1
6
"
Shoulder
Diameter
3
/
3
2
"
1
/
8
"
9
/
6
4
"
5
/
3
2
"
3
/
1
6
"
7
/
3
2
"
1
/
4
"
5
/
1
6
"
3
/
8
"
7
/
1
6
"
1
/
2
"
9
/
1
6
"
5
/
8
"
3
/
4
"
7
/
8
"
Specifications
Met
ASME
Standard
ASTM
Standard
DIN
Standard
Federal
Specification
ISO
Standard
NAS
SAE
Standard
Fastener
Strength
Grade/Class
ASTM
Grade
B7
ISO
Class
8.8
ISO
Class
10.9
ISO
Class
12.9
RoHS
Compliant
Compliant
with
Exemptions
DFARS
Specialty
Metals
Compliant
Exempt
REACH
Compliant
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24,378 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
7,874 products
Rounded Head Screws
Sit just above the surface for a low-profile finish and hold tighter than flat head screws
2,622 products
Flat Head Screws
Fit in countersunk holes for a flush finish
2,573 products
Set Screws
Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads
4,777 products
Shoulder Screws
Rotate parts around the cylinder under the head to guide and align them during installation
6,258 products
Captive Panel Screws
Secure panels and enclosures while still having access to them
115 products
Thumb Screws
Tighten and loosen by hand without the need for tools
78 products
Communication
Reference Charts
Check decimal equivalents, drill sizes, or specifications for socket screws
2 products
Building and Machinery Hardware
Protective Caps
Protect just about anything, including pipe, flanges, screws, and posts
17 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)