Irwin
Irwin IRWIN® Bi-Metal High Speed Holesaw 40mm 10504178
Model 10504178
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked 2 hours ago | £12.95£18.40 | In stock | Visit Tooled Up (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £13.23 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
 checked an hour ago | £13.25 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
Prices exclude delivery. We may earn a commission if you buy through these links, which never affects the ranking above — it is always cheapest first.
Price history
Full price historyThis is the lowest price we have recorded. If you were waiting for a drop, this is it.
About this product
This 40mm IRWIN Bi-Metal High Speed Hole Saw is a commonly used larger size, suited to installing standard waste pipes, substantial electrical conduits and various mounting hardware. It is useful for plumbers on bathroom and kitchen installations and electricians running larger cable routes, as well as general construction, heating, ventilation and remodelling work.
It features bi-metal construction with electron beam welded teeth for durability, and a variable tooth pitch (4-6) that gives a faster, smoother cutting action. It cuts a range of materials including aluminium, copper, iron, stainless steel, wood and zinc, and forms part of a wider IRWIN holesaw range with compatible arbors and pilot drills.
Features and Benefits
- :
- 40mm diameter suits standard waste pipes and large conduits
- Bi-metal construction ensures long-lasting performance
- Variable tooth pitch provides smooth, efficient cutting
- Electron beam welded teeth maintain sharpness
- Compatible with aluminium, copper, iron, stainless steel, wood and zinc
- Professional-grade quality for trade use Specifications: Size (mm): 40 Material: Bi-Metal Pitch: Variable Diameter: 40mm
You might also be interested in
Similarly priced alternatives we compare across multiple retailers.
Bosch Powertool Accessories
Bosch Powertool Accessories PRO Multi Material PC Plus Holesaw 22mm 2.608.594.370
Model 2.608.594.370
from
£12.95
2 retailers
from
£12.95
3 retailers
save £12.21
from
£12.95
3 retailers
save £1.00
from
£12.95
3 retailers
save £0.37
from
£12.95
3 retailers
save £0.89
from
£12.95
3 retailers
save £0.89