BEYOND SEL2020K22 Left-Hand Threading Toolholder | 20mm Shank (0.787" Sizing) CNC Lathe Turning Bar Optimized for 22ER & 22ERM Indexable Carbide Inserts SNMG120412-PM YBD152 Product Overview: Which heavy-duty external

Product Overview: Which heavy-duty external left-hand threading boring bar provides the ultimate rigidity for large-diameter screw cutting on a 14mm neck to 16mm (5/8") shank configuration

Edge Prep/Radius

Universal Finishing Performance: The 0

Sub-Micron TT9080 PVD Grade A thin

Its superior resistance to built-up edge (BUE) and oxidation makes it the industry standard for high-speed CNC milling where dimensional accuracy and aesthetic quality are paramount

BEYOND SEL2020K22 Left-Hand Threading Toolholder | 20mm Shank (0.787" Sizing) CNC Lathe Turning Bar Optimized for 22ER & 22ERM Indexable Carbide Inserts SNMG120412-PM YBD152 Product Overview: Which heavy-duty externalBEYOND SEL2020K22 Left Hand External Reverse Threading Toolholder 20mm Square Shank (0. 787" Imperial Sizing) CNC Lathe Turning Bar Optimized for 22ER & 22ERM Large Pitch Inserts CRITICAL EXCLUSION NOTICE: Any premium 22ER, 22ERM, or large scale external profile carbide indexable threading inserts, full profile teeth, or specialized multi tooth chasers illustrated within our toolholder photos, assembly diagrams, or engineering application renders are