+技術資源 > 螺纹标准记号说明
+技術資源 > 螺纹标准记号说明
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常用螺纹标准记号说明 |
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螺纹记号 |
螺 纹 详 细 描 述 |
斜度 |
牙型角 |
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M |
公(米)制螺纹, Metric Thread |
0 |
60 |
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W |
惠氏螺纹, Whiteworth Thread |
0 |
55 |
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UN |
统一螺纹, Unified Thread |
0 |
60 |
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UNC |
统一粗螺纹, Unified CoarseThread |
0 |
60 |
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UNF |
统一细螺纹, Unified Fine Thread |
0 |
60 |
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UNEF |
统一极细螺纹, Unified Extremely Fine Thread |
0 |
60 |
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UNS |
统一选用螺纹, Unified Slection Thread |
0 |
60 |
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NPSM |
美国国家管用平行螺纹 |
0 |
60 |
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NPSF |
美国国家管用平行螺纹 |
0 |
60 |
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NPSL |
美国国家管用平行螺纹 |
0 |
60 |
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NPSI |
美国国家管用平行螺纹 |
0 |
60 |
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NPSH |
美国国家管用消防平行螺纹 |
0 |
60 |
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NH |
美国国家管用消防平行螺纹, |
0 |
60 |
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NGO |
美国国家瓦斯平行螺纹, National Gas Thread |
0 |
60 |
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NGT |
美国国家瓦斯阀推拔螺纹,National Gas Taper Thread |
1/16 |
60 |
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NPT |
美国国家管用推拔螺纹,National Pipe Taper Thread |
1/16 |
60 |
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NPTF |
美国国家管用推拔干封螺纹,National Pipe Taper Dry Seal Thread |
1/16 |
60 |
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PTF |
美国国家管用推拔干封短螺纹, |
1/16 |
60 |
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G |
ISO管用圆柱螺纹, ISO Pipe Parallel Thread |
1/16 |
55 |
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R |
管用圆锥外螺纹, ISO Pipe Taper External Thread |
1/16 |
55 |
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Rc |
管用圆锥内螺纹, ISO Pipe Taper Internal Thread |
1/16 |
55 |
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Rp |
管用圆柱螺纹, ISO Pipe parallel Internal Thread |
0 |
55 |
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PF |
管用圆柱螺纹, Pipe Parallel Thread |
0 |
55 |
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PT |
管用圆锥螺纹, Pipe Taper Thread |
1/16 |
55 |
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V |
汽门嘴螺纹, Tire Valve Thread |
0 |
60 |
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TV |
汽门嘴螺纹, Tire Valve Thread |
0 |
60 |
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CTV |
汽门嘴螺纹, Cycle Tire Valve Thread |
0 |
60 |
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BC |
自行车螺纹, Bicycle Thread |
0 |
60 |
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BSC |
英规自行车螺纹, Cycle Thread |
0 |
60 |
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SM |
针车螺纹, Sewing Machine Thread |
0 |
60 |
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TW |
欧规梯形螺纹, Trapezoidal Thread |
0 |
29 |
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ACME |
美规梯形艾克姆螺纹, |
0 |
29 |
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STUB |
美规梯形艾克姆浅螺纹, |
0 |
29 |
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Tr |
ISO 公制梯形螺纹, Metric Trapezoidal Thread |
0 |
30 |
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Pg |
欧规铁管螺纹 |
0 |
80 |
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Rd |
圆形螺纹 |
0 |
30 |
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PJ |
日本卫浴专用管螺纹 |
0 |
55 |
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PZ |
中国国家标准瓦斯阀门圆锥螺纹 |
3/25 |
55 |
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BUTT-BS |
英国标准锯齿型螺纹, British Buttress Thread |
0 |
33 |
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BUTT-USA |
美国标准锯齿型螺纹, National Buttress Thread |
0 |
52 |
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