W Style Carbide Insert
This guideline should be taken only as a general rule of thumb - Of coarse there are always exceptions to the standard{s} the industry has designated
"WNMG" Style Carbide Insert = Trigon shaped insert with a 80 Degree Corner, traditionally used in some form of a boring or turning applicationOther "W" Style Inserts for their particular use
This category You will find Negative and Positive, Hole and no Hole.