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1、英制管螺紋內(nèi)徑外徑對照表尺寸代號?每寸牙數(shù)???大徑?????中徑???小徑???建議底孔??基準(zhǔn)距離??牙數(shù)1/8??????27????10.242????9.489???8.736????φ8.6????4.102????4.361/4??????18????13.616???12.487??11.358????φ11.1???5.786???4.103/8??????18?????17.055???15.926??14.797???φ14.5???6.096????4.321/2??????14????21.223?
2、??19.772???18.321???φ17.9???8.128????4.483/4??????14????26.568???25.117??23.666????φ23.2??8.611????4.751???????11.5????33.228???31.461???29.694????φ29.2???10.160???4.601-1/4????11.5????41.985???40.218?38.451????φ37.9???10.668????4.831-1/2????11.5???48.054???46.287?
3、?44.520?????φ43.9???10.668???4.83常用螺紋規(guī)范對照表符號?螺紋種類?規(guī)范?牙型角?M?公制?粗牙?ISO?261?60°?S?細(xì)小螺絲?ISO?R1501?60°?UNC?統(tǒng)一牙?粗牙?ISO?263?60°?UNF?統(tǒng)一牙?細(xì)牙?ISO?263?60°?UNEF?統(tǒng)一牙?特細(xì)牙?ISO?263?60°?UN?統(tǒng)一牙?固定牙?ISO?263?60°?UNS?統(tǒng)一牙?特殊牙?-----?60°?NC?美制牙?粗牙?ANSI?B1.1?60°?NF?美制牙?細(xì)牙?ANSI?B1.1?60°?NEF
4、?美制牙?特細(xì)牙?ANSI?B1.1?60°?N?美制牙?固定牙?ANSI?B1.1?60°?NS?美制牙?特殊牙?ANSI?B1.1?60°?BSW?英制牙?粗牙?BS?84?55°?BSF?英制牙?細(xì)牙?BS?84?55°?BC?自行車牙?JIS?B0225?60°?SM?針車用?JIS?B0226?60°?CTV?自行行車用風(fēng)嘴?JIS?D9422?60°?TV?汽車用風(fēng)嘴?JID?D4207?60°?BSC?英制自行車?BS?811?60°?BA?英制小螺絲?BS?93?30°47°?Tr?公制?愛克母牙?ISO?2
5、902?30°?TW?愛克姆牙?JIS?B0222?29°?ACME?愛克姆牙?ANSI?B1.5?29°?STUB-ACME?淺牙愛克姆?ANSI?B1.8?29°?C?平行管用螺紋?ISO?228/1?55°?BSPF?英制平行管螺紋?BS?2779?55°?PF?英制平行管螺紋?IS?B0202?55°?R?管用?推拔管用?ISO?7/1?55°1/16?Rc?管用?推拔內(nèi)螺紋?ISO?7/1?55°1/16?Rp?管用?平行內(nèi)螺紋?ISO?7/1?55°?PT?推拔?管用?JIS?B0203?55°1/16?PS?平
6、行內(nèi)螺紋?JIS?B0203?55°?BSP?英制管牙?BS?21.2779?55°?NPT?美制一般推拔管用?ANSI?B2.1?60°1/16?NPTR?美制欄桿接頭用?ANSI?B2.1?60°1/16?NPS?美制一般平行管用?ANSI?B2.1?60°?NPSM?美制平行管用?裝配器用?ANSI?B2.1?60°?NPSL?美制鎖緊螺帽用?ANSI?B2.1?60°?NPSH?美制水管用?ANSI?B2.1?60°?NPSC?美制?管接頭用?ANSI?B2.1?60°?NH?美制消防水管用?ANSI?B2.1?60
7、°?NPSF?美制干封管用平行內(nèi)螺紋?ANSI?B2.1?60°?NPTI?美制干封管用平行?ANSI?B2.1?60°?NPTF?美制干封管用推拔?ANSI?B2.1?60°1/16?NGT?美制瓦斯用推拔?ANSI?B57.1?60°1/16?NGS?美制瓦斯用平行?ANSI?B57.1?60°?NGO?美制瓦斯用出口?ANSI?B57.1?60°?SGT?美制瓦斯用特殊?ANSI?B57.1?60°1/8?E?電燈泡用?JIS?C7709?圓?V?瓦斯桶凡而用?JIS?B8245/6?55°3/26?C?薄銅電線管用?
8、JIS?B0204?80°?常用規(guī)格?（公制）?M1.2*0.25?M2.5*0.45?M6*0.75?M10*0.75?M1.4*0.3?M2.6*0.45?M6*1?M10*1?M1.6*0.35?M3*0.5?M7*0.75?M10*1.25?M1.7*0.25?M3*0.6?M7*
