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来自维基百科,自由的百科全书
螺紋規(thread gauge),也稱為螺距規(screw gauge)、螺紋距規(pitch gauge),是用來測量螺絲間距的檢定工具。螺距(公制)或 PITCH(英制)。
螺距規是用來作為參考工具確定一個線程在球場上是一個螺絲或在螺紋孔。綜合檢驗並能在短時間內判定螺紋的精度,但不能用來作為精密測量儀器。為螺紋部品之互換性或兩產品之品質確保上,所不可或缺的量具。[1]
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