Bewise Inc. www.tool-tool.com Reference source from the internet.
英制普通螺纹，55度牙型角：
3/32"-48(TPI)
1/8"-40
5/32"-32
3/16"-24
大径为英制转换为公制，如1/8"为0.125X25.4=3.175mm，螺距为每英寸的牙数(TPI)，如每英寸40牙为25.4÷40=0.635mm
统一制粗牙螺纹(UNC)，60度牙型角：
No1-64, Da=1.845
No2-56, Da=2.184
No3-48, Da=2.515
No4-40, Da=2.845
No5-40, Da=3.175
No6-32, Da=3.505
No8-32, Da=4.166
No10-24, Da=4.826
统 一制螺纹是由习惯使用英制的三个主要国家(美国、英国、加拿大)以美国标准为基础联合制定的，当时也称为ABC螺纹。后来由国际标准化技术委员会 (ISO)制定为国际标准，分为粗牙(UNC)、细牙(UNF)、超细牙(UNEF)和统一螺距(UN)几种。通常说的美制螺纹就是指统一制螺纹。
螺距计算方法同英制普通螺纹。
Welcome to BW tool world! We are an experienced tool maker specialized in cutting tools. We focus on what you need and endeavor to research the best cutter to satisfy users’ demand. Our customers involve wide range of industries, like mold & die, aerospace, electronic, machinery, ,,,etc. We are professional expert in cutting field. We would like to solve every problem from you. Please feel free to contact us, it’s our pleasure to serve for you. BW product including: utting tool、aerospace tool .HSS Cutting tool、Carbide end mills、Carbide cutting tool、NAS Cutting tool、Carbide end mill、Aerospace cutting tool、Carbide drill、High speed steel、Milling cutter、Core drill、Taperd end mills、Metric end mills、Miniature end mills、Pilot reamer、Electronics cutter、Step drill、Metal cutting saw、Double margin drill、Gun barrel、Angle milling cutter、Carbide burrs、Carbide tipped cutter、Chamfering tool、IC card engraving cutter、Side cutter、NAS tool、DIN tool、Special tool、Metal slitting saws、Shell end mills、Side and face milling cutters、Side chip clearance saws、Long end mills、Stub roughing end mills、Dovetail milling cutters、Carbide slot drills、Carbide torus cutters、Angeled carbide end mills、Carbide torus cutters、Carbide ball-noseed slot drills、Mould cutter、Tool manufacturer.
Bewise Inc. www.tool-tool.com
英制普通螺纹，55度牙型角：
3/32"-48(TPI)
1/8"-40
5/32"-32
3/16"-24
大径为英制转换为公制，如1/8"为0.125X25.4=3.175mm，螺距为每英寸的牙数(TPI)，如每英寸40牙为25.4÷40=0.635mm
统一制粗牙螺纹(UNC)，60度牙型角：
No1-64, Da=1.845
No2-56, Da=2.184
No3-48, Da=2.515
No4-40, Da=2.845
No5-40, Da=3.175
No6-32, Da=3.505
No8-32, Da=4.166
No10-24, Da=4.826
统 一制螺纹是由习惯使用英制的三个主要国家(美国、英国、加拿大)以美国标准为基础联合制定的，当时也称为ABC螺纹。后来由国际标准化技术委员会 (ISO)制定为国际标准，分为粗牙(UNC)、细牙(UNF)、超细牙(UNEF)和统一螺距(UN)几种。通常说的美制螺纹就是指统一制螺纹。
螺距计算方法同英制普通螺纹。
Welcome to BW tool world! We are an experienced tool maker specialized in cutting tools. We focus on what you need and endeavor to research the best cutter to satisfy users’ demand. Our customers involve wide range of industries, like mold & die, aerospace, electronic, machinery, ,,,etc. We are professional expert in cutting field. We would like to solve every problem from you. Please feel free to contact us, it’s our pleasure to serve for you. BW product including: utting tool、aerospace tool .HSS Cutting tool、Carbide end mills、Carbide cutting tool、NAS Cutting tool、Carbide end mill、Aerospace cutting tool、Carbide drill、High speed steel、Milling cutter、Core drill、Taperd end mills、Metric end mills、Miniature end mills、Pilot reamer、Electronics cutter、Step drill、Metal cutting saw、Double margin drill、Gun barrel、Angle milling cutter、Carbide burrs、Carbide tipped cutter、Chamfering tool、IC card engraving cutter、Side cutter、NAS tool、DIN tool、Special tool、Metal slitting saws、Shell end mills、Side and face milling cutters、Side chip clearance saws、Long end mills、Stub roughing end mills、Dovetail milling cutters、Carbide slot drills、Carbide torus cutters、Angeled carbide end mills、Carbide torus cutters、Carbide ball-noseed slot drills、Mould cutter、Tool manufacturer.
Bewise Inc. www.tool-tool.com
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