These inserts last much longer than the generic alternatives we tried previously
it usually points to excessive cutting speed or lack of tool rigidity
PVD Miracle coated inserts
cermet won't bond with the steel
Industrial Cutting Feed & Speed Data Recommendation Table
GBA43R200-020MY PR930 (10pcs) SVVBN These inserts last much longerPVD Coated Carbide: PR930 , Designation: GBA43R200 020MY PR930 CW: 2. 00 , CDX: 3. 5 , RE: 0. 20 , Carbon Steel Alloy Steel: Light Interruption 2nd Choice, Stainless Steel: Light Interruption 2nd Choice , Hard materials (<=40HRC): Continuous 2nd Choice , Color: Reddish Gray , Coating Main Component: iAlN , Advantages: Application: Low machining speed, precise machining with sharp edge