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Mathematics, 05.02.2020 12:58 angel182
Technician a says that the “20”in 1/4 - 20 signifies the total number of threads the fatener has. technician b says “1/4” signifies the socket size of the fastener head. who is right?
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Technician a says that the “20”in 1/4 - 20 signifies the total number of threads the fatener has. te...
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