CMT 317.220.12 Hinge Boring Bit 22 x 57.5mm LH Disc Sanders reliable performance when anchoring threaded

reliable performance when anchoring threaded rod and rebar into cracked and uncracked concrete

providing everything needed to get started with quick change tooling

and high-precision class 7 bearings - making it a capable centerpiece for demanding shop environments

000 RPM to match a wide variety of materials and bit sizes

The CCO3 1/4 features bolt spacing that meets NDS code requirements

CMT 317.220.12 Hinge Boring Bit 22 x 57.5mm LH Disc Sanders reliable performance when anchoring threadedThe 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)