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System of Measurement
Inch
Metric
Screw Size
No. 2
No. 3
No. 4
No. 6
No. 7
No. 8
No. 10
No. 12
1/4"
5/16"
3/8"
7/16"
1/2"
5/8"
7/8"
1"
M2
M2.5
M3
M3.5
M4
M5
M6
M7
M8
M10
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ID
0.106"
0.115"
0.126"
0.156"
0.169"
0.172"
0.198"
0.203"
0.209"
0.218"
0.235"
0.236"
0.250"
0.252"
0.266"
0.275"
0.277"
0.312"
0.328"
0.331"
0.344"
0.375"
0.406"
0.413"
0.438"
0.450"
0.470"
0.531"
0.562"
0.563"
0.564"
0.570"
0.656"
0.690"
0.940"
1.070"
Washer Type
Angled Edge
Flat
Color
Black
Blue
Gray
Off-White
Red
Material
302 Stainless Steel
Plastic
Steel
Performance
Lightweight
Self-Retaining
Overall Height
0.090"
0.140"
0.190"
0.220"
0.222"
0.278"
0.344"
0.424"
0.449"
DFARS Specialty Metals
Exempt
Not Compliant
RoHS
Compliant
REACH
Compliant
Not Compliant
Export Control Classification Number (ECCN)
EAR99
Maximum Temperature
145° F
180° F
Hardness
Durometer 43D
Rockwell B40
Rockwell R120
Minimum Temperature
-40° F
35° F
Width of Flat
5/16"
3/8"
1/2"
9/16"
0.670"
3/4"
0.840"
7/8"
1"
1.340"
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