BEYOND C16Q-STUPR11 Solid Carbide Boring Bar | 16mm Shank (5/8" 0.630" Equivalent) Anti-Vibration Internal Turning Toolholder for TPMT 1103 / TPXT 1103 Inserts ISO-MCGNL Compatible with standard ISO CCMT

Compatible with standard ISO CCMT 1204 tool holders

46mm actual metric shank equivalent) round carbide holder configurations running size 11 (TCMT 1102 / TCMT 21

Q3: Why does this holder utilize an "ER" external style insert for internal left-hand threading

Machinist's Insight: If you don't want to overthink your setup

It is optimized for non-ferrous turning (ISO N) and cast iron finishing (ISO K)

BEYOND C16Q-STUPR11 Solid Carbide Boring Bar | 16mm Shank (5/8" 0.630" Equivalent) Anti-Vibration Internal Turning Toolholder for TPMT 1103 / TPXT 1103 Inserts ISO-MCGNL Compatible with standard ISO CCMTBEYOND C16Q STUPR11 Solid Carbide Anti Vibration Boring Bar 16mm Shank Diameter (5 8" 0. 630" Sizing Equivalent) CNC Internal Turning Toolholder for TPMT 1103 TPXT 1103 Indexable Inserts ASSEMBLY NOTICE: This product listing is for the C16Q STUPR11 boring bar toolholder body ONLY. Indexable carbide turning inserts (TPMT 1103 TPXT 1103) and cutting tips shown in product photos are intended solely to demonstrate assembly tolerances, pocket fit, and