Determination of the spiral rotation direction
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Hey experts, are there any good ways to quickly determine whether a screw is rotating in forward or reverse direction?
Hold the screw upright and compare the heights of the threads on the left and right sides; if the right side is higher, it is a right-handed screw, while if the left side is higher, it is a left-handed screw
Is the wear on the pins connecting them okay?
Master, what do you mean by the spiral direction? Equipment? It’s still an object