CMT 317.170.12 Hinge Boring Bit, 17mm (43/64-Inch) Diameter, 10x26mm 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.

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