Spearhead High Speed Steel 45 Degree Bearing Bur Kit of 24 Pieces Donnegan Three-stone design with one 5

Three-stone design with one 5 mm round center stone seat and two 3

The Best Built 1

Total Weight 1 lb

and architectural metalwork where a faceted

refer to other Durston mill configurations

Spearhead High Speed Steel 45 Degree Bearing Bur Kit of 24 Pieces Donnegan Three-stone design with one 5Important 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