Onsrud 67-816 Solid Carbide drill 2FL 166/625 x 2-1/8 x 3-1/2 OAL For Composite, 166/625 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.