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IR/L-NPT : Internal NPT (National Pipe Threads) full profile laydown threading inserts. IR/L - ground periphery and rake, IRB - with a chipformer and peripherally ground, IRM - with a chipformer, for steam, gas and water pipes.(-)Internal NPT (National Pipe Threads) Full Profile Laydown Threading Inserts for Steam, Gas and Water Pipes(+)

Representative Image

Internal left-hand shown

Representative Image

Internal left-hand shown

Related inserts for : SIL 1250 S16

Designation	IC	TPI	RE	INSL	PDY	PDX	HAND	CICT	SC			AN	CBMD	CEDC	CNC	COATP	D1	FTDZ	GRDMFG	IFS	NIS	S	S1	SSC	THFT								GICAT	giic	Tough ‹————› Hard Grade & Vc Click on Grade No. for Cutting Speed
16IL 27 NPT	.375	27.0	.0020	.649	.03	.03	L~	1	~	~	INT~	~	Z~	~	~	~	~	~	IC250 ~	~	~	~	~	~	NPT60~	Steel~	Stainless Steel~				Carbide~	TiCN+TiN ~	3409704	1	IC250
16IL 14 NPT	.375	14.0	.0031	.649	.04	.05	L~	1	T~	~	INT~	~	Z~	3~	3~	~	~	~	IC908 ~	3~	1~	~	~	16~	NPT60~	Steel~	Stainless Steel~	Cast Iron~	Hard Materials~	Superalloys and titanium~	Carbide~	TiAlN ~	5903353	1	IC908
16IL 11.5 NPT	.375	11.5	.0035	.649	.04	.06	L~	1	T~	~	INT~	~	Z~	3~	3~	~	~	~	IC250 ~	3~	1~	~	~	16~	NPT60~	Steel~	Stainless Steel~	Cast Iron~	Hard Materials~	Superalloys and titanium~	Carbide~	TiAlN ~	5990607	2	IC250 IC908
16IL 8 NPT	.375	8.0	.0043	.649	.05	.07	L~	1	T~	~	INT~	~	Z~	3~	3~	~	~	~	IC250 ~	3~	1~	~	~	16~	NPT60~	Steel~	Stainless Steel~	Cast Iron~	Hard Materials~	Superalloys and titanium~	Carbide~	TiAlN ~	5903351	2	IC250 IC908

For Insert Identification System, click on "More Info"
National Pipe Threads ANSI/ASME B1.20.1-1983

Threading
Main Application

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Threading Main Application

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Threading
Main Application