BEYOND SNR0020R22 Internal Right-Hand Heavy Threading Boring Bar | Stepped Reducing Shank 20mm Tool Neck to 20mm (3/4" Imperial Sizing) CNC Lathe Turning Bar for 22IR & 22IRM Indexable Carbide Inserts S12M-STWCL09 (USA) - The 16mm shank

(USA) - The 16mm shank fits my turret perfectly

This design applies extreme vertical downward clamping force directly onto the upper surface of the indexable insert

Grade Substrate Type Best Use Case CT3000 (Cermet) Uncoated Ceramic-Metal Mirror Finishing: Highest surface quality at high speed

This 16mm holder performs excellently

BEYOND SNR0020R22 Internal Right-Hand Heavy Threading Boring Bar | Stepped Reducing Shank 20mm Tool Neck to 20mm (3/4" Imperial Sizing) CNC Lathe Turning Bar for 22IR & 22IRM Indexable Carbide Inserts S12M-STWCL09 (USA) - The 16mm shankBEYOND SNR0020R22 Heavy Duty Internal Right Hand Threading Boring Bar Stepped Reducing Shank 20mm Tool Neck to 20mm (3 4" Imperial Sizing) CNC Lathe Turning Bar for 22IR & 22IRM Indexable Carbide Inserts IMPORTANT MACHINING ASSEMBLY NOTICE: Any premium 22IR, 22IRM, or alternative internal right hand indexable carbide threading inserts, large profile thread teeth, or molded chipbreaker geometries displayed within our product imagery, schematics, or