Varipitch One Piece Holesaws
High quality holesaw with integral shank with M42 Cobalt High Speed Steel cutting blades with variable pitch teeth. Supplied with a split point HSS pilot drill which reduces skidding on convex surfaces, eliminating the need for pre-punching.
For use on stainless steel, cast iron, mild and galvanised steel, aluminium, copper, brass, plastics and wood.
Generally no cutting fluids are required, but for cast iron use parafin
and for stainless steel use a cutting compound.
Working Speeds.
Mild Steel = 130rpm
Cast Iron = 85rpm
Stainless Steel = 65rpm
11.50 mm Shank
Depth of cut: 32mm
Diameter: 64mm