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.
Tile Rite Diamond Hole Saw Bit Wet Cut - 8mm
Tile Rite 8mm wet diamond hole saw bit for porcelain, marble, granite & traverti…
Dart Premium DPH Bi-Metal 8% Cobalt Metal Holesaw Drill Cutter Saw - 95mm
95mm Dart Premium DPH 8% cobalt bi-metal holesaw, yellow
Starrett AX5100 Fast Cut Bi-Metal Holesaw - 44mm
44mm bi-metal holesaw for fast cutting in steel sheet and tubes
Knightsbridge Bi-metal Holesaw - 20mm
20mm bi-metal holesaw for cutting metal, wood, and plastic
Bosch Progressor Holesaw - 127mm
127mm Bosch BiM Progressor hole saw for wood, drywall, plastics, metal and stain…
Bosch PRO Multi Material Hole Saw - 102mm
102 millimetre multi-material HSS hole saw with 8% cobalt and 44 millimetre cutt…
Zexum Holesaw Arbor - No. 2
No. 2 arbor for BI-metal holesaws 32-152mm, with pilot drill
ROKTOR Cobalt Bi-Metal Holesaw - 102mm
ROKTOR 102 millimetre cobalt bi-metal holesaw
Dart Variable Pitched Bi-Metal Holesaw - 25mm
Dart 25mm bi-metal holesaw with variable pitch, yellow finish
Dart Premium DPH Bi-Metal 8% Cobalt Metal Holesaw Drill Cutter Saw - 65mm
65mm bi-metal holesaw with 8% cobalt for metal cutting
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.



















