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.
Bosch PRO Multi Material Hole Saw - 70mm
Bosch PRO 70mm multi-material hole saw, 44mm cut depth
M3 Bi Metal Holesaw - 40mm
40mm bi-metal holesaw for cutting wood, metal and plastic
Mexco Premium Slotted Dry Diamond Core Drill Bit - 127 x 170mm
127mm x 170mm dry diamond core drill bit for soft brick and block
M3 Bi Metal Holesaw - 20mm
20mm Toolpak M3 bi-metal holesaw for industrial use
M3 Bi-Metal Electricians Holesaw Kit - 9 Piece
9-piece bi-metal holesaw kit for electricians with 16-51mm sizes and 2 arbors.
Mexco Diamond Core Drill Hex Adaptor Pack - 80mm
Hex adaptor pack for 80mm diamond core drills, includes 250mm adaptor and 175mm …
Bosch Bi-Metal Holesaw - 51mm
51mm bi-metal holesaw for smooth cutting in wood, metal and plastics.
TCT SDS Plus Electricians Circular Cutter - 77mm
TCT SDS Plus circular cutter 77mm for small machines, drills brick and block
M3 Bi Metal Holesaw - 57mm
57mm Toolpak M3 bi-metal holesaw for industrial use
M3 Bi-Metal Holesaw Kit - 13 Piece
13-piece bi-metal holesaw set, 19mm–64mm, with arbors and pilot drill
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.



















