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: 5-1/2″ (140mm)
Arbors: H4 H4A
Recommended Material and Speeds (RPM)
Mild Steel: 60 RPM
Stainless Steel: 30 RPM
Cast Iron: 35 RPM
Brass: 80 RPM
Aluminium: 85 RPM