BEYOND DCLNL3232P19 (32x32mm / 1.250" Shank) Indexable Heavy Duty External Turning Tool Holder | Left-Hand 95° Lead Angle CNC Lathe Facing and Profiling CNMG1906 Toolholder CNMG120412-DM YBC252 and the 06IR pocket is

and the 06IR pocket is flawless

VP15TF (PVD General Purpose): If you are machining a mix of steel

"16mm角溝入れ・突切り加工の決定版" 16mm角の刚性数値に加え、上部クランプ仕様の堅牢なホルダー構造のおかげでビビりが完全に抑えられます。GMM4020-MTチップの広い切れ刃でも、横引き旋削時に刃先が一切逃げないため、寸法精度が驚くほど安定します。

The parts look like they were polished

BEYOND DCLNL3232P19 (32x32mm / 1.250" Shank) Indexable Heavy Duty External Turning Tool Holder | Left-Hand 95° Lead Angle CNC Lathe Facing and Profiling CNMG1906 Toolholder CNMG120412-DM YBC252 and the 06IR pocket isBEYOND DCLNL3232P19 Left Hand Heavy Duty Indexable External Turning Tool Holder (32x32mm Shank) for Precision 95 Lead Angle CNC Lathe Facing, Heavy Roughing, and Rigid CNMG1906 Turning Operations INDUSTRIAL PACKAGING NOTICE: The heavy duty indexable carbide insert shown mounted inside the large pocket matrix of this external toolholder is for spatial layout, dimensional visualization, and cutting geometry representation only. Turning inserts are NOT