45° Bearing High Speed Spearhead Bur Sets
Spearhead Burs are made from M2 Steel - The superoir high speed steel - Rockwell 63 -65 hardness. Spiral Cut - Increase performance, retains sharpness and reduces loading. The 14 piece set includes even numbers between 2-28. The 33 bur set includes 3 each of #'s 2-12. All have 3/32" shanks.