Irwin
Irwin IRWIN® Bi-Metal High Speed Holesaw 20mm 10504165
Model 10504165
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked 2 hours ago | £7.58 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £7.85 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
 checked 3 hours ago | £8.95£10.55 | In stock | Visit Tooled Up (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
The 20mm IRWIN Bi-Metal High Speed Hole Saw is one of the most frequently used sizes in the range, ideal for standard electrical conduit installations, plumbing work and general construction tasks. This diameter accommodates many common fittings and fixtures, making it an essential size for electricians, plumbers and general contractors. Built to professional standards with bi-metal construction and electron beam welded teeth, this 20mm holesaw delivers reliable, long-lasting performance. The variable tooth design (4-6 pitch) provides faster cutting action and enhanced performance whether you're working with wood, metal or composite materials.
Features and Benefits
- :
- 20mm diameter perfect for standard conduit and pipe work
- Bi-metal construction ensures extended service life
- Variable tooth pitch for efficient, smooth cutting
- Electron beam welded teeth resist wear and breakage
- Versatile material compatibility including metals and wood
- Professional-grade tool for trade use Specifications: Size (mm): 20 Material: Bi-Metal Pitch: Variable
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