Cutting Rake - Negative 7° for negative 80° diamond CN_inserts (Sold seperately). Axial Rake: 7°. Radial Rake: 7°. Available in 3/4" & 1.0". Weldon & R8 shank sizes. Recycles negative 80° diamond inserts. High rate of material removal. Torx screw locking system. Two cutting edges.