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我们在使用 ＧＢＳ １０－８８ Ｍ３３ ｘ１．５ 小圆螺母和ＧＢ８５８－８８ ３３圆螺母用止动垫圈进行配套时。发现止动垫圈的锁齿宽度尺寸比小圆螺母的凹槽宽度尺寸大了一点，所以装不进去。为此核查了国家标准，发现 Ｍ３３×１．５小圆螺母的凹槽宽度尺寸为ｈｍａｘ＝５．
We are using GBS 10-88 M33 x1.5 small round nut and GB858-88 33 round nut with a washer when supporting. Lock washer lock was found that the width of the width of the width of the groove than the size of a small round nut a little bigger, so do not fit into. To this end checked the national standards and found M33 × 1.5 small round nut groove width size hmax = 5.