CMT 317.550.12 Hinge Boring Bit, 55mm (2-11/64-Inch) Diameter, 10X26 Shank, Left-Hand Rotation

Hinge boring bits to set a new standard for performance and value! This bit features new downcut round sharpening for a more precise cut and extra-fine micrograin carbide for endurance and a faster feed speed. We use the finest industrial quality micrograin carbide to produce very sharp cutting edges and improve cutting resistance. Tool has 2 precision ground cutting edges and 2 negatively ground spurs. PTFE-Coating provides a non-stick surface that prevents residue accumulation on the bit, special metal shock resistant brazing guarantees a solid bond of every tip on every bit and the steel shank grinding allows for a perfectly-fitting insertion of your tool into your machine.

• 57.5mm (2-17/64-Inch) Overall Length.
• Premium quality super-strength steel body and spiral portion with center point
• 2 precision ground cutting edges, 2 spiral flutes, 2 negatively ground spurs
• Ideal for hinges. Used on boring machines equipped with chucks or adaptors
• Used for drilling accurate and clean-cut blind holes in wood, wood composites, laminated materials