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This Busch® 70° shallow angle bearing cutter (hart) bur is used for cutting stone seats and for notching prongs. Made from long-lasting carbide, this bur will maintain its sharp edges longer and is ideal for use at high speed.
Brand : Busch
Material : Carbide steel
Head shape : 70° Hart
Shank size : 3/32"
Country of origin : Germany
Catalog page:2018-2019 Tools and Equipment Catalog p.383