jnsd12

Detailed Product Description grinding wheel is for professional cutting at high speed and will not hurt workpiece. The cuttingedge is straight and it works efficiently.Material (the reinforced cutting and grinding discs are made of these materials):1) Aluminum oxide: A 2) White aluminum oxide: WA 3) Single crystal aluminum: SA 4) Zirconia aluminum: ZA 5) Black silicon carbide: C6) Green silicon ...