RUKO HSSE-Co8 multi-purpose hole saws are available in a range of Imperial sizes up to 8-1/4 inches, with cutting depths up to 1-1/2 inches. The nearest metric equivalent size is stamped on each tool. These bi-metal hole saws have a hardened steel backer and an 8% cobalt high-speed steel cutting edge for clean, efficient cuts in harder metals, including stainless steel.
RUKO HSS (red) and Co8 (white) hole saws and available arbor assembly accessories
RUKO Metal Hole Saw Kits
These multi-purpose, bi-metal hole saws have an alloy steel jacket and cutting edges of either high speed steel (HSS) or high speed steel Cobalt 8 (Co8). RUKO hole saws are supplied by AutomationDirect in various sizes ranging from 9/16 inch hole saws (14 mm) to 8 1/4 inch hole saws (210 mm). Inch and metric equivalent (mm) hole saw sizes are stamped on each hole saw blade.
Bi-Metal hole saw kits include either 6, 10 or 15 High-speed steel or Colbalt 8 hole saws of various sizes in a plastic case.
HSS Hole Saws and Kits are priced from
Cobalt (Co 8) Hole Saws and Kits are priced from