Spearhead High Speed Steel 90 Degree Bearing Bur Master Kit of 33 Pieces Fluxes the Dual Angle Sharpening Fixture

the Dual Angle Sharpening Fixture is not compatible with popular QC tool holders — this kit solves that problem

and casting professionals who need a responsive

professional training profile

Center Stone Size 6mm (round) Approximate Stone Weight 3/4 ct (diamond weight) Prong Count 4 Shank Weight Extra Heavy Construction Die-struck Standard Ring Size Range 6 – 6-1/2 (USA) Origin Made in the USA Available Options

Both the 90-degree slot and the 45-degree slot incorporate a small integrated stop

Spearhead High Speed Steel 90 Degree Bearing Bur Master Kit of 33 Pieces Fluxes the Dual Angle Sharpening FixtureImportant 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