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Screw Chart

Screw No.Shank Diameter*Shank Diameter*Root Diameter*Root Diameter*Maximum Head DiameterThreads Per Inch
Nearest Fractional MeasurementDecimal MeasurementNearest Fractional MeasurementDecimal Measurement
01/16.0603/64.040.11932
15/64.0733/64.046.14628
23/32.0861/16.054.17226
37/64.0991/16.065.19924
47/64.1125/64.075.22522
51/8.1255/64.085.25220
69/64.1383/32.092.27918
75/32.1517/64.102.30516
85/32.1647/64.112.33215
911/64.1771/8.122.35814
103/16.1901/8.130.38513
1113/64.2039/64.139.41112
127/32.2169/64.148.43811
141/4.2425/32.165.49110
1617/64.2683/16.184.5449
1819/64.29413/64.204.5978
205/16.3207/32.223.6508

Screw Chart

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