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1·You place the screwdriver blade on one side of the hex nut 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 mother of nylon lock, metal lock master, K cap, hex nut, cap-shaped, butterfly hats and all kinds of washers, retaining rings, pins and so on.

尼龙锁紧母、金属锁紧母、K帽、六角螺母、盖帽形、蝶形帽及各式垫圈、挡圈、销类等。

3·The minimum across flats dimension of the hex bolt or hex nut being used to test the loose washer must not be greater than 1.5 times the basic thread size.

用于试验非组合用垫圈的六角螺栓或六角螺母的最小对边宽度不能大于垫圈内径所对应的螺纹公径直径的1.5倍。

4·An internal polygonal is arranged on the top of the hex nut; diameter of the internal polygonal matches with the diameter of an internal polygonal screw tool.

又在六角螺帽顶端设置内多角，其径与内多角螺丝工具直径相适应。