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公制、BSF/BSW、UNC 和 UNF 换算表

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联络专业人员

下表可用于帮助找到最接近尺寸的公制粗牙、公制细牙、英国标准细牙、英国标准惠氏牙、统一粗牙和统一细牙紧固件。

螺纹尺寸不可直接互换。仅供参考。

公制粗公制细背侧/背侧北卡罗来纳大学联合国基金会
M2×0.4--1-641-72
M2.5 x 0.45--3-483-56
M3 x 0.5--4-404-48
M3.5 x 0.6--6-326-40
M4 x 0.7--8-328-36
M5 x 0.8--10-2410-32
M6 x 1M6 x 0.751/4"1/4-201/4-28
M8 x 1.25M8 x 15/16"5/16-185/16-24
M10 x 1.5M10 x 1.253/8"3/8-163/8-24
M12 x 1.75M12 x 1.251/2"1/2-131/2-20
M14 x 2M14 x 1.59/16"9/16-129/16-18
M16 x 2M16 x 1.55/8"5/8-115/8-18
M20 x 2.5M20 x 1.53/4"3/4-103/4-16
M24 x 3M24 x 21"1-81-12
M30 x 3.5M30 x 21-1/8"1 1/4-71 1/8-12
M36 x 4M36 x 31-3/8"1 1/2-61 1/4-12

* 计算公式：HB = 0,95 · HV

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