Specification Guide
| Type | Internal circle Diameter I.C | bs | Thickness | Hole Diameter | Radius |
| TPKN1603PDSR | 9.525 | 1.9 | 3.18 | 2.6 | 0.6 |
| TPKN2204PDSR | 12.7 | 2.4 | 4.76 | 2.6 | 0.6 |
| SPKN1203EDSR | 12.7 | 2 | 3.18 | 2.6 | 1.2 |
| SPKN1504EDSR | 15.875 | 2.5 | 4.76 | 2.6 | 1.2 |
| SDKN1203AESN | 12.7 | 2 | 3.18 | 2.6 | |
| SDKN1504AESN | 15.875 | 2.1 | 4.76 | 2.6 |
Recommended cutting condition
| Workpiece material | cutting condition | ||||
| Vc（m/min） | Fz（mm/t） | Ap（ mm） | Available insets | ||
| Carbon steel | 120-270 | 0.2-0.5 | 5.5 | SPKN12/SDKN12/TPKN16 | |
| P | 7.5 | SPKN15/SDKN15//TPKN22 | |||
| Alloy steel | 100-240 | 0.2-0.4 | 5.5 | SPKN12/SDKN12/TPKN16 | |
| 7.5 | SPKN15/SDKN15//TPKN22 | ||||
| Grey cast iron | 80-220 | 0.2-0.5 | 5.5 | SPKN12/SDKN12/TPKN16 | |
| K | 7.5 | SPKN15/SDKN15//TPKN22 | |||
| Nodular cast iron | 80-200 | 0.2-0.4 | 5.5 | SPKN12/SDKN12/TPKN16 | |
| 7.5 | SPKN15/SDKN15//TPKN22 | ||||
1.Automotive manufacturing,
2.General tool and die making, contributing to the creation of high – quality products across different sectors.
Processing case:
Work piece: Machine tool components/ material: ZG20MN
Workpiece Hardness: 180-220HB
Type of inserts: TPKN2204PDSR P20
Cutting parameters: Vc： 168m/min，Fz：0.3mm，Ap：2.5mm
Test result:
Some famous Brand lifetime is 40minutes per insert
Our inserts: 50 minutes per insert
Our face milling TPKN performance is 25% longer lifetime. Save time and improve efficiency for enduser by 25% , save inserts cost by 15%.
