CMT 317.220.12 Hinge Boring Bit 22 x 57.5mm LH Stone Polisher Tri-Metal Silver Brazing Silver-Copper-Silver brazing

Tri-Metal Silver Brazing Silver-Copper-Silver brazing prevents carbide from breaking under high-stress cutting applications

The curved collation format is specifically engineered for use with these systems

this mill combines operator convenience with the engineering quality professionals demand for demanding shop environments

Low-profile head simplifies post-installation work - the near-flush head reduces interference when stacking assembled girders or attaching structural connectors and finishes

CMT 317.220.12 Hinge Boring Bit 22 x 57.5mm LH Stone Polisher Tri-Metal Silver Brazing Silver-Copper-Silver brazingThe CMT 317. 220 is a (Hinge Boring Bit (57. 5mm)). Hinge boring bit for drilling flat bottom hinge cup holes in cabinet doors and face frames. The flat bottom geometry is required for European style concealed hinges. Rotation: Left hand (LH). SPECIFICATIONS Diameter (D) 22mm Total Length (L) 57. 7mm Shank (S) 10x26mm Tooth Geometry Negatively ground spurs Spurs 2 Number of Teeth 2 Product Type Hinge Boring Bit Series Hinge Boring Bit (57. 5mm)