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RUKO Bi-Metal Hole Saws
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.
RUKO HSS (red) and Co8 (white) hole saws
and available arbor assembly accessories
RUKO Metal Hole Saw Kits