When you’re choosing holesaws and arbors, start with the material and the number of cuts you need to make. Bi-metal usually covers general metal and timber work, while diamond or tile versions suit surfaces that can’t chip or glaze. Check the arbor as well. A loose fit or the wrong pilot drill is where you lose time and end up swapping parts on the job.
Armeg Tri-Cut Round Cutter with SDS+ Drive Adaptor
78mm Tri-Cut round cutter with SDS+ adaptor for hard materials
Armeg Adjustable Hole Cutter
Adjustable hole cutter with 40-203mm cutting diameter for wood, plasterboard and…
Bosch Cobalt Pilot Drill for Powerchange Adaptor - 7.15mm
7.15mm cobalt pilot drill for Bosch Powerchange adaptor
Armeg Cobalt Vari-Pitch Holesaw - 16mm x 50mm
16mm x 50mm cobalt holesaw with variable pitch teeth
Starrett Holesaw - 89mm x 41mm regular
Starrett 89mm fast cut holesaw with regular pitch, 41mm depth
Starrett Regular Holesaw - 79mm x 41mm
Starrett regular pitch holesaw, 79mm diameter, 41mm depth
Bosch Standard HSS Bi-Metal Holesaw - 38mm
38mm bi-metal holesaw with cobalt alloy for smooth cutting
Dart Premium DPH Bi-Metal 8% Cobalt Metal Holesaw Drill Cutter Saw - 50mm
50 mm bi-metal holesaw with 8% cobalt for metal cutting
Armeg Holesaw Sheet Steel - 25mm
Armeg 25mm sheet steel holesaw
Bosch Bi-Metal Hole Saw
Bi-metal hole saw for wood, metal and plastics
The first question is what you’re cutting and how many holes you’ve got to do. For a one-off or a short run, holesaws and arbors with a decent pilot and a solid lock-up are usually enough. On repeat work, the arbor and saw fit matters more, because a sloppy drive wastes time and chews the teeth. If the job shifts from timber to sheet metal or tile, that’s where the spec changes, not the size on the box. More call-backs come from the wrong cutter than from the wrong drill.
A fixed holesaw arbor suits the odd one-off size. There’s less to assemble, so you get on with the cut. The trade-off is flexibility.
Separate holesaw arbors make more sense when you’re running different diameters through the day. Keep the holder, swap the saw, and move on. Holesaw drill bits are the cleaner option when you want the lot matched. You lose some choice if the job changes.
Power Tool Accessories is the parent range if you’re building the rest of the kit.
Start with what you’re cutting and how clean the finish needs to be. A wood holesaw suits timber and sheet goods when speed matters. A bi-metal holesaw is the usual pick for mixed materials or light metal. It lasts better, but it won’t always cut as freely.
Tile and diamond versions are the ones to use when the face has to stay intact. They cut slower and give you less room for error. If you’re only carrying one setup, check the holesaw arbors as well. A poor fit is what usually causes wobble and call-backs. If you’re also picking up finishing gear, Multi Tool Accessories and PT Sanding Accessories are the usual next stops.
Once you’ve picked the holesaws and arbors, the next question is what else is going into the same opening or finish. On plenty of jobs, the surrounding panel, screen, storage or waste detail decides whether you need a cleaner cut or a different size altogether.
If the hole is for a waste, accessory or service point, get the saw and arbor matched before you start. That’s where holesaws and arbors earn their keep. They save you from forcing the wrong size and opening it up later.



















