Description
Josco Bi-Metal Holesaws feature variable pitch cutting edges with special tooth designs for the best cutting results. Manufactured in Germany from strong M42 grade Bi-Metal (9% Molybdenum, 8% Cobalt) with a 38mm cutting depth, Josco Bi-Metal Holesaws have the strength to deliver the best cutting results with the longest life.
Diameter: 2-1/4″ (57mm)
Arbors: H4 H4A
Recommended Material and Speeds (RPM)
Mild Steel: 150 RPM
Stainless Steel: 75 RPM
Cast Iron: 100 RPM
Brass: 200 RPM
Aluminium: 225 RPM