22IR 6 ACME Carbide Internal Threading Inserts

22IR 6 ACME inserts specifications: Type : American ACME Coating : grade AS300 in PVD yellow coating Features : Light cutting , smooth chip removal high surface finish ; Good wear resistance, long machining lifetime ; Wild range of applications ; Workpiece : Applicable to all kinds of steel , stainless steel, cast iron ,nonferrous metals and other materials thread turning Jinte cnc threading inserts strength Special PVD coating in grade AS300 , enables trouble-free threading