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IR/L-UN : Internal American UN, full profile (UN, UNC, UNF, UNEF), laydown threading inserts. IR/L - Ground periphery and rake, IRB - with a chipformer and peripherally ground, IRM - With a chipformer. Application: general industry.(-)Internal American UN Full Profile (UN, UNC, UNF, UNEF) Laydown Threading Inserts for General Applications(+)

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Related inserts for : SIR 1500 T27

Designation	IC	TPI	RE	INSL	PDY	PDX	HAND	CICT	D1	CNC	NIS	CEDC	IFS	SSC	SC			AN	CBMD	COATP	FTDZ	GRDMFG	S	S1	THFT								GICAT	GIREM	giic	Tough ‹————› Hard Grade & Vc Click on Grade No. for Cutting Speed
27IR 8 UN 2M	.625	8.0	.0075	1.083	.12	.19	R~	2	~	3~	1~	3~	3~	27~	T~	~	INT~	~	Z~	~	~	IC908 ~	~	~	UN60~	Steel~	Stainless Steel~	Cast Iron~	Hard Materials~	Superalloys and titanium~	Carbide~	TiAlN ~	5902442	Multi-tooth	1	IC908
27IR 4.5 UN	.625	4.5	.0177	1.083	.07	.10	R~	1	~	3~	1~	3~	3~	27~	T~	~	INT~	~	Z~	~	~	IC250 ~	~	~	UN60~	Steel~	Stainless Steel~	Cast Iron~	Hard Materials~	Superalloys and titanium~	Carbide~	TiAlN ~	5902865		2	IC250 IC908
27IR 4 UN	.625	4.0	.0185	1.083	.07	.10	R~	1	~	3~	1~	3~	3~	27~	T~	~	INT~	~	Z~	~	~	IC250 ~	~	~	UN60~	Steel~	Stainless Steel~	Cast Iron~	Hard Materials~	Superalloys and titanium~	Carbide~	TiAlN ~	5902046		2	IC250 IC908

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Tolerance: class 2B,ANSI B1, 3M-1986

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Threading
Main Application