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Use for counterboring lower joints on Bb soprano clarinets for installation of any of our pre-cut bell tenons. The carbide tipped cutters are brazed to a hardened alloy steel body and will far outlast and outperform counterbores made from high speed steel, especially
when cutting on the highly abrasive plastics used on most instrument bodies.

Requires a 3/16" (4.76mm) counterbore pilot and a pilot bushing. Made in the U.S.A.

• Diameter: 1" (25.4mm)


• Shank Diameter: 1/4" (6.35mm)


• Pilot Hole Diameter: 3/16" (4.76mm)


• Overall Length: 2-3/4" (69.8mm)


• Number of Flutes: 3


• Material: Carbide Tipped