Material: Carbide ,Coating : PVD,For processing :finishing of steel.
The inserts has high hardness, low friction coefficient, good wear resistance and chemical stability .
Carbide inserts 30 pieces in 3 box, packed in plastic containers, safe and easy to store .
Metal surface treatment, good wear resistance, good chemical stability . If you need a indexable turning tool holder that matches the inserts,search for ASIN:B07TTL32HW.