BEYOND C20R-SSKCR09 Solid Carbide Boring Bar | 20mm Shank (3/4" Equivalent) CNC Internal Turning Toolholder for SCMT 09T3 Inserts CNMG190624-DR YBC252 Question: What does the "M"

Question: What does the "M" signify in the MSBNR2525M12 part number profile

The BEYOND MSRNL2525M12 is an industrial-grade

Iscar: SDFCL 1616H-11

5mm wide bearing recesses

BEYOND C20R-SSKCR09 Solid Carbide Boring Bar | 20mm Shank (3/4" Equivalent) CNC Internal Turning Toolholder for SCMT 09T3 Inserts CNMG190624-DR YBC252 Question: What does the "M"BEYOND C20R SSKCR09 Solid Carbide Shank Internal Boring Bar 20mm Shank Diameter (3 4" Imperial Sizing Equivalent) CNC Lathe Toolholder for SCMT 09T3 Indexable Inserts ASSEMBLY NOTICE: This product listing is for the C20R SSKCR09 boring bar toolholder body ONLY. Indexable carbide inserts (SCMT 09T3 SCMT 3(2. 5)2) and specialized cutting tips depicted in product photos are intended solely to demonstrate insert seat orientation, screw lock mechanics, and