Diamond Sintered Burr Flat End Taper 3mm Medium Grit medium grit These silicon carbide discs are

These silicon carbide discs are designed to cut porcelain

Unlike electroplated or coated drills

Cross-graining burnishers

The jeweller's piercing saw has an adjustable frame with a depth of 100mm (4")

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Diamond Sintered Burr Flat End Taper 3mm Medium Grit medium grit These silicon carbide discs areA medium grit diamond sintered burr with a tapered profile and a flat 0. 75mm end, designed for precise engraving, shaping and smoothing in glass, stone, hard metals, ceramics and other hard materials. The 3mm widest point gives you useful surface coverage, while the narrow flat tip offers more control than a larger cone burr. Best for: Glass engraving and carving Shaping and refining hard metals Smoothing narrow grooves and channels Stone, ceramic