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: 3-1/2" (89mm) Arbors: H4 H4A Recommended Material and Speeds (RPM) Mild Steel: 95 RPM Stainless Steel: 45 RPM Cast Iron: 65 RPM Brass: 130 RPM Aluminium: 146 RPM
