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Family Designation: ER/L-NPT External NPT (National Pipe Threads) full profile laydown threading inserts. ER/L - ground periphery and rake, ERB - with a chipformer and peripherally ground, ERM - with a chipformer. Used for steam, gas and water pipes.      
Representative Image
External right-hand shown
 
Representative Image
External right-hand shown
 
 NPT (EXT.)THREAD TOL.
Item Designation: 16ERM 18 NPT
IC TPI RE INSL PDY PDX HAND CICT  SC AN CBMD CEDC CNC COATP D1 FTDZ GRDMFG IFS NIS S S1 SSC  THFT TP mm GICATGIREMgiic
.37518.0.0020.649.03.04R~1T~~EXT~.0~B~3~3~~.000~~IC1007~3~1~.000~.000~16~NPT60~-~Steel~Stainless Steel~Cast Iron~Hard Materials~Superalloys and titanium~Carbide~TiAlN ~5903397 With pressed chipformer 3
Catalog NoGrade & VcAlternativeNEOITAFiles PackageAvailUSAAvailEUAdd to favoritesP21 Properties FileGTCDXFStock Availability   
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P21ITAStockPerUser
3318654 IC1007Alternative00<a href="FilesDownload.aspx?FileType=GTC&dxfFolder=IscarDxfI&stpFolder=STPI&stplFolder=0&p21=3318654&cat=3318654&itemDesc=16ERM 18 NPT"><img src="./media/icons/icon_Package.svg" width="27px" border="0" OnClick="writeToGoogleAnalytics('DownloadFiles', 'GTC', 'ItemPage');"></a><a href="javascript:OpenDxf('3318654', '16ERM 18 NPT' , 'IscarDxfI' , '3318654-16ERM 18 NPT');"><img src="./media/icons/icon_dxf.svg" title="DXF" width="27px" border="0"></a>          <a href="FilesDownload.aspx?FileType=P&cat=3318654&itemDesc=16ERM 18 NPT"><img src="./media/icons/icon_p21.svg" title="P21" width="27px" border="0" OnClick="writeToGoogleAnalytics('DownloadFiles', 'P21', 'ItemPage');"></a><a href="https://www.iscar.com/ITA?item=3318654&units=I&lang=EN" OnClick="writeToGoogleAnalytics('CatalogIconsClicks', 'ITA', 'ItemPage');" target="_blank"><img src="./media/icons/ita_link.svg" title="Optimize cutting data using Iscar Tool Advisor" width="27px" border="0"></a> 
5902382 IC9089521560<a href="FilesDownload.aspx?FileType=GTC&dxfFolder=IscarDxfI&stpFolder=STPI&stplFolder=0&p21=5902382&cat=5902382&itemDesc=16ERM 18 NPT"><img src="./media/icons/icon_Package.svg" width="27px" border="0" OnClick="writeToGoogleAnalytics('DownloadFiles', 'GTC', 'ItemPage');"></a><a href="javascript:OpenDxf('5902382', '16ERM 18 NPT' , 'IscarDxfI' , '5902382-16ERM 18 NPT');"><img src="./media/icons/icon_dxf.svg" title="DXF" width="27px" border="0"></a>          <a href="FilesDownload.aspx?FileType=P&cat=5902382&itemDesc=16ERM 18 NPT"><img src="./media/icons/icon_p21.svg" title="P21" width="27px" border="0" OnClick="writeToGoogleAnalytics('DownloadFiles', 'P21', 'ItemPage');"></a><a href="https://www.iscar.com/ITA?item=5902382&units=I&lang=EN" OnClick="writeToGoogleAnalytics('CatalogIconsClicks', 'ITA', 'ItemPage');" target="_blank"><img src="./media/icons/ita_link.svg" title="Optimize cutting data using Iscar Tool Advisor" width="27px" border="0"></a> 
With pressed chipformer
5903397 IC8081200<a href="FilesDownload.aspx?FileType=GTC&dxfFolder=IscarDxfI&stpFolder=STPI&stplFolder=0&p21=5903397&cat=5903397&itemDesc=16ERM 18 NPT"><img src="./media/icons/icon_Package.svg" width="27px" border="0" OnClick="writeToGoogleAnalytics('DownloadFiles', 'GTC', 'ItemPage');"></a><a href="javascript:OpenDxf('5903397', '16ERM 18 NPT' , 'IscarDxfI' , '5903397-16ERM 18 NPT');"><img src="./media/icons/icon_dxf.svg" title="DXF" width="27px" border="0"></a>          <a href="FilesDownload.aspx?FileType=P&cat=5903397&itemDesc=16ERM 18 NPT"><img src="./media/icons/icon_p21.svg" title="P21" width="27px" border="0" OnClick="writeToGoogleAnalytics('DownloadFiles', 'P21', 'ItemPage');"></a><a href="https://www.iscar.com/ITA?item=5903397&units=I&lang=EN" OnClick="writeToGoogleAnalytics('CatalogIconsClicks', 'ITA', 'ItemPage');" target="_blank"><img src="./media/icons/ita_link.svg" title="Optimize cutting data using Iscar Tool Advisor" width="27px" border="0"></a> 
With pressed chipformer
Items Per Package : 5
For Insert Identification System, click on "More Info".
For threading between walls use GRIP-type insert TIP-NPT.
National Pipe Threads ANSI/ASME B1.20.1-1983
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2D Representation

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