... trial order, sample 3.Wear-resistant, high toughness 4.Stable quality, good packing Types of Indexable Milling Inserts for Face Milling Cutters We ... ' specifications.Grade: P30, etcDimension: 15.875*15.875*4.76 (5/8), etcSpecification: SEKN 1504, SEKR 1504, SPKN 1504, SPUN1504, SNKN 1504 ...