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System of Measurement
Inch
Metric
Screw Size
No. 2
No. 3
No. 4
No. 5
No. 6
No. 8
No. 9
No. 10
No. 12
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
3/4"
7/8"
Tooth Location
External
Internal
Internal and External
Material
Phosphor Bronze
Stainless Steel
Steel
Washer Type
Angled Edge
Conical
Countersunk
Domed
Flat
Perforated
Pronged
Tab
Tooth
ID
0.086"
0.089"
0.095"
0.096"
0.102"
0.109"
0.113"
0.115"
0.116"
0.123"
0.129"
0.136"
0.140"
0.141"
0.142"
0.146"
0.150"
0.167"
OD
0.189"
0.195"
0.200"
0.213"
0.232"
0.235"
0.260"
0.270"
0.280"
0.285"
0.289"
0.295"
0.320"
0.322"
0.340"
0.354"
0.381"
0.410"
Thickness
0.010" to 0.013"
0.010" to 0.015"
0.010" to 0.016"
0.012" to 0.018"
0.014" to 0.018"
0.014" to 0.020"
0.015" to 0.019"
0.016" to 0.018"
0.016" to 0.021"
0.016" to 0.022"
0.017" to 0.021"
0.018" to 0.023"
0.018" to 0.024"
0.020" to 0.024"
0.020" to 0.025"
0.020" to 0.027"
0.022"
0.023" to 0.027"
Finish
Black Oxide
Cadmium Plated
Galvanized
Zinc Plated
Thread Size
6-32
8-32
10-24
10-32
1/4"
-20
5/16"
-18
3/8"
-16
Specifications Met
ANSI/ABMA 8.2
ASME B18.21.1
DIN Standard
NASM35333
Performance
Corrosion Resistant
Heavy Vibration Resistant
High Strength
Reusable
Wear Resistant
Length
3/8"
1/2"
5/8"
3/4"
7/8"
1"
1
3/16"
1
1/4"
1
3/8"
1
1/2"
1
9/16"
1
3/4"
1
13/16"
1
7/8"
2"
2
3/8"
2
5/8"
3"
3
1/4"
4"
Hardness
Rockwell B40
Rockwell B50
Rockwell B60
Rockwell B70
Rockwell B88
Rockwell B90
Rockwell C34
Rockwell C35
Rockwell C40
Rockwell C40 to Rockwell C50
Rockwell C42
Rockwell C44
Not Rated
DFARS Specialty Metals
Compliant
Exempt
Not Compliant
RoHS
Compliant
Not Compliant
REACH
Compliant
Not Compliant
Export Control Classification Number (ECCN)
EAR99
Overall Height
0.090"
0.125"
0.140"
0.148"
0.172"
0.190"
0.195"
0.203"
0.213"
0.217"
0.220"
0.221"
0.222"
0.224"
0.225"
0.232"
0.239"
0.249"
For Bearing Nut Face Style
Chamfered
Stepped
Tab Width
0.120"
0.176"
0.290"
0.353"
3.000 mm
4.000 mm
5 mm
6 mm
7 mm
8 mm
10 mm
12 mm
14.000 mm
16.000 mm
18.000 mm
20.000 mm
24.000 mm
Military Specification
MS35333-103
MS35333-104
MS35333-105
MS35333-106
MS35333-107
MS35333-108
MS35333-109
MS35333-110
MS35333-113
MS35333-35
MS35333-36
MS35333-37
MS35333-38
MS35333-39
MS35333-40
MS35333-41
MS35333-42
MS35333-43
Thread Type
UNC
UNF
Height
0.090"
0.125"
0.140"
0.148"
0.172"
0.190"
0.195"
0.203"
0.213"
0.217"
0.220"
0.221"
0.222"
0.224"
0.225"
0.232"
0.239"
0.249"
Tab Depth
0.062"
0.063"
0.064"
0.066"
0.067"
0.072"
0.093"
0.094"
0.095"
0.096"
0.097"
0.103"
0.106"
0.124"
1/8"
0.132"
0.133"
0.135"
0.155"
0.156"
0.171"
0.203"
0.204"
1.500 mm
2.000 mm
2.500 mm
3.500 mm
4.500 mm
5.000 mm
6.000 mm
7.000 mm
Thread Spacing
Coarse
Fine
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