Proxxon High Quality Corundum Ball Grinding Bits - 3 Pieces

Durable corundum grinding bits crafted from fine, high-quality materials with consistent hardness for dependable performance and extended working life.

Features:

Premium corundum construction
Finely graded materials with uniform hardness
Suitable for grinding and chiselling hard materials such as cast iron, cast steel, malleable cast iron, hard metal alloys, and refined steel
Grinding rule: Soft materials = hard grinding bits; hard materials = soft grinding bits
9mm head diameter
3mm shaft diameter
Engineered for precise, efficient grinding in demanding metalworking applications.