Irwin
Irwin IRWIN® Bi-Metal High Speed Holesaw 51mm 10504184
Model 10504184
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked within the hour | £12.95£19.21 | In stock | Visit Tooled Up (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £13.77 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
 checked 23 hours ago | £13.84 | 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 51mm IRWIN Bi-Metal Holesaw is designed for professional use across general construction, electrical installation, plumbing, heating, ventilation and remodelling work. The 51mm diameter suits larger plumbing tasks such as 50mm waste pipes and ventilation ductwork.
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 can cut a range of materials, including aluminium, copper, iron, stainless steel, wood and zinc.
The holesaw forms part of a wider IRWIN range spanning 14mm to 152mm, with matching arbors and pilot drills available to suit different applications.
Features and Benefits
- :
- 51mm diameter suits 50mm waste pipes and ventilation
- Bi-metal construction delivers exceptional durability
- Variable tooth pitch provides smooth, fast cutting
- Electron beam welded teeth maintain sharpness
- Compatible with aluminium, copper, iron, stainless steel, wood and zinc
- Professional-grade tool for plumbing applications Specifications: Size (mm): 51 Material: Bi-Metal Pitch: Variable
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