Description:

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. Tool has 2 precision ground cutting edges and 2 negatively ground spurs. PTFE-Coating provides a non-stick surfthat 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 point2 precision ground cutting edges, 2 spiral flutes, 2 negatively ground spursIdeal for hinges. Used on boring machines equipped with chucks or adaptorsUsed for drilling accurate and clean-cut blind holes in wood, wood composites, laminated materialsModel # 317. 320. 11.