螺纹种类与标准

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1、符号螺纹种类规范牙型角M公制粗牙ISO26160°S细小螺丝ISOR150160°UNC统一牙粗牙ISO26360°UNF统一牙细牙ISO26360°UNEF统一牙特细牙ISO26360°UN统一牙固定牙ISO26360°UNS统一牙特殊牙-----60°NC美制牙粗牙ANSIB1.160°NF美制牙细牙ANSIB1.160°NEF美制牙特细牙ANSIB1.160°N美制牙固定牙ANSIB1.160°NS美制牙特殊牙ANSIB1.160°BSW英制牙粗牙BS8455°BSF英制牙细牙BS8455°BC自行车牙JISB022560°SM针车用JISB022660°CTV自行行车用风嘴

2、JISD942260°TV汽车用风嘴JIDD420760°BSC英制自行车BS81160°BA英制小螺丝BS9330°47°Tr公制爱克母牙ISO290230°TW爱克姆牙JISB022229°ACME爱克姆牙ANSIB1.529°STUB-ACME浅牙爱克姆ANSIB1.829°C平行管用螺纹ISO228/155°BSPF英制平行管螺纹BS277955°PF英制平行管螺纹ISB020255°R管用推拔管用ISO7/155°1/16Rc管用推拔内螺纹ISO7/155°1/16Rp管用平行内螺纹ISO7/155°PT推拔管用JISB020355°1/16PS平行内螺纹JISB0203

3、55°BSP英制管牙BS21.277955°NPT美制一般推拔管用ANSIB2.160°1/16NPTR美制栏杆接头用ANSIB2.160°1/16NPS美制一般平行管用ANSIB2.160°NPSM美制平行管用装配器用ANSIB2.160°NPSL美制锁紧螺帽用ANSIB2.160°NPSH美制水管用ANSIB2.160°NPSC美制管接头用ANSIB2.160°NH美制消防水管用ANSIB2.160°NPSF美制干封管用平行内螺纹ANSIB2.160°NPTI美制干封管用平行ANSIB2.160°NPTF美制干封管用推拔ANSIB2.160°1/16NGT美制瓦斯用推拔ANSI

4、B57.160°1/16NGS美制瓦斯用平行ANSIB57.160°NGO美制瓦斯用出口ANSIB57.160°SGT美制瓦斯用特殊ANSIB57.160°1/8E电灯泡用JISC7709圆V瓦斯桶凡而用JISB8245/655°3/26C薄铜电线管用JISB020480°常用规格（公制）M1.2*0.25M2.5*0.45M6*0.75M10*0.75M1.4*0.3M2.6*0.45M6*1M10*1M1.6*0.35M3*0.5M7*0.75M10*1.25M1.7*0.25M3*0.6M7*1M10*1.5M1.7*0.35M3.5*0.6M8*0.75M11*1M1.8*

5、0.35M4*0.5M8*1M11*1.5M2*0.4M4*0.7M8*1.2512*1M2.2*0.45M5*0.5M9*1M12*1.25M2.3*0.45M5*0.8M9*1.25M12*1.5常用规格（美制）0-80UNF5-40UNC10-32UNF5/16″-32UNEF1-64UNC5-44UNV12-24UNC3/8″-16UNC1-72UNF6-32UNC12-28UNF3/8″-24UNF2-56UNC6-40UNF12-32UNEF3/8″-32UNEF2-64UNF5/32″-32UNC1/4″-20UNC7/16″-14UNC3-48UNC8-32UNC1

6、/4″-28UNF7/16″-20UNF3-56UNF8-36UNF1/4″-32UNEF7/16″-28UNEF4-40UNC3/16″-24UNC5/16″-18UNC1/2″-13UNC4-48UNF10-24UNC5/16″-24UNF1/2″-20UNF常用规格（英制）1/8″-401/2″-121″-82″-4.55/32″-329/16″-121-1/8″-72-1/8″-43/16″-245/8″-111-1/4″-72-1/4″-47/32″-2411/16″-111-3/8″-62-1/2″-41/4″-203/4″-161-1/2″-62-3/4″-45/16

7、″-1813/16″-101-5/8″-53-1/4″-43/8″-167/8″-91-1/4″-53-1/2″-47/16″-1415/16″-91-7/8″-4.53-3/4″-44″-4符号螺纹种类规范牙型角M公制粗牙ISO26160°S细小螺丝ISOR150160°UNC统一牙粗牙ISO26360°UNF统一牙细牙ISO26360°UNEF统一牙特细牙ISO26360°UN统一牙固定牙ISO26360°UNS统一牙特殊牙-----60°NC美制牙粗牙ANSIB