CMT 392.200.11 Hinge Boring Bit, 20mm (25/32-Inch) Diameter X 5/16-Inch Parallel Shank

• 2-39/64-Inch Overall Length, Right-Hand Rotation
• Super-strength steel and cutter portion coated with black P.T.F.E. coating.
• Tungsten carbide tipped head with precision balanced center point. Ideal for hinges & blind holes.
• 2 precision ground cutting edges, 2 negatively ground spurs.
• Use on drilling machines, handheld routers in wood, wood composites and laminated materials.

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.