Technical Information Vc= π × Dm × n 1,000 R1~R44 General Information R2~R15 SI Unit Conversion Table / Cutting Symbol R2 Surface Roughness R3 Heat Treatment and Hardness Expression R4 Vickers Hardness Conversion Chart R5 Material List (JIS) R6 Material Cross Reference Table R7 Various Cross Reference Tables R16~R25 Insert Grades Cross Reference Table R16 Molded Chipbreaker Cross Reference Table R22 Milling Insert Description Cross Reference Table R24 Trouble shooting R26~R29 Cutting Edges Figuration and Countermeasures R26 Turning R27 Milling R28 Drilling R29 Terms and Angles of Toolholder R30~R31 Terms and Angles of Turning Toolholder R30 Terms and Angles of Milling Cutter R31 Basic Formulas R32~R35 Basic Formulas (Turning) R32 Basic Formulas (Milling) R34 Basic Formulas (Drilling) R35 Tooling Examples of Small Tools R36~R43 Tooling Example R36 R Automatic Lathe List by Manufacturer R38 List of Instruments and Applicable Small Tools and Toolholders R43 Vc= π×Dm×n Parts Compatibility of Lever Lock Toolholders R44 Information Technical R1