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 118" Width) Cutting Hand Orientation

118" Width) Cutting Hand Orientation Right Hand (R) External Right Hand (R) External Clamping Mechanism Type Heavy-Duty Screw-Down Spring Clamp Jaw Heavy-Duty Screw-Down Spring Clamp Jaw Maximum Parting/Grooving Depth (CDX) 10 mm 0

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

Steel Grade Cutting Speed (Vc) Feed Rate (fz) P-Class Heavy Roughing 90 - 180 m/min 0

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 118" Width) Cutting Hand OrientationBEYOND 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