Drum sintered carving bur Grit:220# Arbor OD: 1/2"

Arbor OD: 1/2"

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Drum sintered carving bur Grit:220# Arbor OD: 1/2"These professional grade sintered carving burs are suitable for shaping and carving a wide range of minerals. They are available in different shapes, sizes and grits so you can choose the best burs for your project. Sintering produces a uniform matrix of diamond crystals embedded in a strong, durable binder Sintered burs will last 5 to 10 times longer than diamond plated burs Sintered burs will last up to 100 times longer than various types of silicon