You place the screwdriver blade on one side of the hexnut and tap the screwdriver's handle with the hammer.
您可以用螺丝刀顶住螺母一边,然后用锤子敲打螺丝刀把手。
2
The minimum across flats dimension of the hex bolt or hexnut being used to test the loose washer must not be greater than 1.5 times the basic thread size.
An internal polygonal is arranged on the top of the hexnut; diameter of the internal polygonal matches with the diameter of an internal polygonal screw tool.