D20R-SCLCR09（no include inserts） GBA32R250-020 PR930 20 mm/rev$) to ensure the

20 mm/rev$) to ensure the cutting edge always cuts deep into the un-deformed metal matrix below the work-hardened zone generated by previous passes

Q2: What does the "S" signify in the ISO coding system for this bar

Extreme Heat Resistance: Maintains hardness at high RPMs where standard carbide would soften

Designation:TNMG160404-PM YBD152

TT8115 CVD Performance Optimized for high-speed machining (Vc up to 450 m/min)

D20R-SCLCR09（no include inserts） GBA32R250-020 PR930 20 mm/rev$) to ensure theBEYOND D20R SCLCR09 Internal Spring Steel Turning Tools D20R SCLCR09 SCLCR09 D20R SCLCR09 CNC Lathe Cutter Holder Machine Metal Tools Package Include: 1pcs turning tool holder (not include insert) Specifications: UsageSpring Steel Turning Tools Model NumberD20R SCLCR09 Brand NameOYYU BEYOND