美国PMC是一个家族企业，向客户提供高端螺纹环塞规的的企业。

PMC旗下的品牌包括：Lone Star, Mercury, VanKeuren, GF Gage and Size Control.每个品牌都有自己的特色，

美国PMC Lone Star GAGE-“自1912年起开始向全球客户提供GAGE一站式解决方案”

PMC Lone Star和PMC Mercury致力于为客户提供业内最优质的塞规和环规、服务和准时交货。自收购Kennametal公司的gage业务——Van Keuren&Size Control Brands（绿地名称的有限许可证）——扩大了PMC gage在工业测量市场的份额。

PMC Lone Star和PMC Mercury制造测量工具和设备。PMC是一家领先的固定和接地限位塞规和环规制造商，包括普通和螺纹塞规尺寸计量设备，包括ContourReader和SquareMaster。PMC的公司名称为PMC Gage Inc.，其经营商标为PMC Lone Star和PMC Mercury。油管螺纹规 品牌:PMC Lone Star.UPSET(EUE)/NON-UPSET(NUE)TUBING 圆螺纹套管螺纹规 品牌:PMC Lone Star.Round Casing圆螺纹套管螺纹规.工 管线管LP螺纹规 品牌:PMC Lone Star

PMC Lone Star & PMC Mercury are proud to offer the following products:

• API (American Petroleum Institute) Thread Plug & Ring Gages工作规 (Working & Master校对规)
• 8 Round Casing Plug & Ring Gages CSG、LCSG量规
• Line Pipe Plug & Ring Gages LP量规
• 8 Round & 10 Round Tubing Plug & Ring Gages TBG/UPSET TBG量规
• Buttress Casing Plug & Ring Gages BCSG螺纹量规
• Extreme Line Casing Plug & Ring Gages
• Regular Rotary (REG) Plug & Ring Gages REG量规
• Numbered Connection (NC) Plug & Ring Gages NC量规
• Full Hole (FH) Plug & Ring Gages  FH量规
• Internal Flush (IF) Plug & Ring Gages  IF量规
• Sucker Rod Plug & Ring Gages
• Thread Profile Gages 牙形板
• Lead Setting Standard Gages 螺距标准块
• Thread Height Setting Standard Gages 牙高标准块
• Unified Inch Screw Thread Gages
• Go & Not Go Thread Plug Gages
• Go & Not Go Thread Ring Gages
• Go & Not Go Truncated Thread Setting Plug Gages
• Go & Not Go Hilo Thread Setting Plug Gages
• Metric M Screw Thread Gages
• Go & Not Go Thread Plug Gages
• Go & Not Go Thread Ring Gages
• Go & Not Go Truncated Thread Setting Plug Gages
• Go & Not Go Hilo Thread Setting Plug Gages
• Helical Coil Thread Plug Gages (STI)
• Acme & Stub Acme Screw Thread Gages
• Go & Not Go Thread Plug Gages
• Go & Not Go Thread Ring Gages
• Go & Not Go Truncated Thread Setting Plug Gages
• Go & Not Go Hilo Thread Setting Plug Gages
• Buttress Inch Screw Thread Gages
• Go & Not Go Thread Plug Gages
• Go & Not Go Thread Ring Gages
• Go & Not Go Truncated Thread Setting Plug Gages
• Cylindrical Plain Plug Gages – Classes XX, X, Y, Z
• Reversible Plain Plug Gages
• Taperlock Plain Plug Gages
• Trilock Plain Plug Gages
• Master Setting Discs – Class XX, X, Y, Z
• Style 1 Master Setting Disc
• Style 2 Master Setting Disc
• Style 3 Master Setting Disc
• Cylindrical Plain Ring Gages – Class XX, X, Y, Z
• Steel Plain Ring Gages
• Carbide Plain Ring Gages
• Straight Pipe Thread Gages
• NPSF
• NPSM
• Tapered Pipe Gages
• NPT (National Pipe Taper)
• NPTF (Aeronautical National Pipe Taper)
• ANPT (National Pipe Taper Dryseal Pressure-Tight Joints)
• NGT (National Gas Taper)
• Dimensional Metrology Equipment
• ContouReader™
• SquareMaster™

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