Spearhead High Speed Steel 90 Degree Bearing Bur Master Kit of 33 Pieces Fluxes 31 square holes graduating evenly

31 square holes graduating evenly from 3 mm to 1 mm

and precision bench work more comfortable

(60 inch) pack for efficient use across multiple pieces

and bezels to a smooth

Suitable for soft non-ferrous metals

Spearhead High Speed Steel 90 Degree Bearing Bur Master Kit of 33 Pieces Fluxes 31 square holes graduating evenlyImportant 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, 25 of the 33 sizes