Internal threading tool ?

[Richard CoxParticipant @richardcox82602]

evening been looking at getting an indexable internal thread tool from bangood it says it accepts 11nr and 11ir inserts anyone know the difference I thought one would be 55 degrees and the other 60 but it would appear not ?

Rich

[Richard CoxParticipant @richardcox82602]

[JasonBModerator @jasonb]

Usually ER = External righthand and NR – Internal righthand

[Anonymous]

They're the same thing. Most manufacturers use NR to specify internal righthand, but some, for instance Vardex, use IR.

Andrew

[David Standing 1Participant @davidstanding1]

Thread angle should be shown at the end of the insert code, i.e. 11NRAG55 or 11NRAG60 etc

[Author]

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