Spearhead High Speed Steel 45 Degree Bearing Bur Kit of 24 Pieces Donnegan USA sizes 1–15 with diameter

USA sizes 1–15 with diameter in mm on one side

With a height-to-width ratio of 33% (factory designation SP67)

Select Cut 0 (Coarse) for aggressive stock removal when roughing out a shape

Total Weight 1 lb

allowing precise positioning over the work area

Spearhead High Speed Steel 45 Degree Bearing Bur Kit of 24 Pieces Donnegan USA sizes 1–15 with diameterImportant Notice: This set will ship incomplete. Due to ongoing supply constraints, Spearhead has been unable to fulfill all sizes in this kit as ordered. Otto Frei will contact you with the exact burs in stock, the sizes unavailable, and an updated reduced kit price at the time of your order. We are not back ordering missing sizes, as restocking timelines are unknown and inventory returns randomly. For reference, as of 7 29 2026, 15 of the 24 sizes