Cutting Wheel: 1.Max Speed: 80M/S 2.Dimension:4'',6'',7'', ... '',16'' 3.Material:Brown Fused Alumina, White Fused Alum cutting wheel MPA Quality CertificateEN 12413 Standard Features: 1) We can supply ... cutting hollow-stell tubes ,thin iron plates, armor plates and metal , stainless steel pipe. Its works life is long and its ...