The diameter of the best wire to measure the effective diameter of metric screw threads of 0.5 mm pitch is.... mm

The diameter of the best wire to measure the effective diameter of met

1.	The diameter of the best wire to measure the effective diameter of metric screw threads of 0.5 mm pitch is.... mm
A.	0.28mm
B.	0.38mm
C.	0.25mm
D.	0.29mm
Answer» B. 0.38mm

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The diameter of the best wire to measure the effective diameter of metric screw threads of 0.5 mm pitch is.... mm

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