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a urethane can easily last 10 years or longer
Width: 5mm
a swivel allows you to swing the rear of the frame out of your way with a simple twist
Hardness: Medium
feel and sound of the metal that is at their core
Busch® Tungsten Vanadium 90° Bearing Bur Set, 0.7 Bead Stringing a urethane can easily lastThese Busch 90 bearing cutter (hart) burs are used for cutting stone seats and for notching prongs. This set includes 12 burs, sizes 0. 7 through 1. 8mm. Made from cost effective tungsten vanadium, these burs cut precisely and can be used at low speeds.
US$ 21.20
US$ 15.37
US$ 21.99
