Onsrud 67-866 Solid Carbide drill 2FL 83/250 x 2-1/2 x 4 OAL For Composite, 83/250 Shank

Designed to reduce cutting forces and eliminating delamination when exiting the material. An 8 facet drill consists of 4 cutting edges with 2 facets per cutting edge. These facets consist of the lip relief and the lip clearance angle.