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 Multi Material Plumbers Holesaw Set - 9 Piece
9-piece bi-metal plumbers holesaw set with six sizes from 19 to 57mm, two thread…
Bosch Bi-Metal Holesaw - 32mm
Bosch bi-metal holesaw, 32mm, for smooth cuts in wood, metal and plastics.
Holesaw Hex Arbor - 32mm to 210mm
Hex arbor for holesaws 32mm to 210mm
TCT Core Adaptor - SDS 110mm
110mm SDS core adaptor with M22 male thread for TCT core drills
Armeg Premium Holesaw - 54mm Cobalt
54mm premium holesaw with 8% cobalt M42 steel teeth
Armeg Premium Holesaw Cobalt - 76mm
76mm premium cobalt holesaw for cutting steel, wood, plastics and MDF
Bosch PRO Multi Material Hole Saw - 64mm
Bosch PRO 64mm multi-material hole saw, 44mm cut depth
Bosch Holesaw SDS Plus Adapter - 14-30mm
SDS Plus adapter for holesaws 14-30mm with HSS-G pilot drill bit
Armeg Sds Arbor Large
Large SDS arbor for use with compatible drilling accessories
Dart Premium DPH Bi-Metal 8% Cobalt Metal Holesaw Drill Cutter Saw - 73mm
73mm 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.



















