
The Diablo 25mm bi-metal hole saw delivers clean, accurate holes across a wide range of building materials, with a 60mm (1 in.) cutting depth that handles thicker stock in a single pass. Bi-metal construction makes it a dependable all-rounder for tradies and DIYers tackling mixed jobs.
Ideal for running cable, plumbing and conduit through timber framing, sheet steel and PVC. Pair it with a compatible Diablo mandrel and arbor to build out a hole saw system, and step up or down through the range as your hole sizes change on site.
The Diablo 25mm Bi-Metal Hole Saw is designed for efficient cutting across a range of materials including hardwoods, softwoods, steel, plastics and siding. Bi-metal construction provides durability for both professional and DIY drilling tasks.
Mounts to a compatible Diablo mandrel and arbor (sold separately) for quick attachment and removal.
It is rated for hardwoods, softwoods, steel, plastics, siding and clean wood, making it a versatile choice for general trade and renovation work.
The saw has a 60mm cutting depth, allowing you to bore through thicker timber and stock in one pass.
It cuts a 25mm (1 in.) diameter hole.
Yes. Like other Diablo bi-metal hole saws it fits a compatible Diablo mandrel and arbor, which are required to mount the saw in your drill.
Yes. The 25mm size is commonly used by electricians and is a useful addition to a bi-metal hole saw set for running cable and conduit.









