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: 3-7/8" (98mm) Arbors: H4 H4A Recommended Material and Speeds (RPM) Mild Steel: 90 RPM Stainless Steel: 45 RPM Cast Iron: 60 RPM Brass: 120 RPM Aluminium: 135 RPM
