Irwin
Irwin IRWIN® HSS TCT Tip Drill Bit 12.0mm OL:151mm WL:101mm 10502693
Model 10502693
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked an hour ago | £30.95£49.55 | In stock | Visit Tooled Up (opens in a new tab) |
 checked an hour ago | £35.66 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £40.12 | In stock | Visit Blueperry Tool & Builders Merchants (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 12mm Irwin HSS TCT drill bit suits larger drilling work on hardened materials, including hardened steel, cast iron, bronze alloys and manganese alloyed steel up to 50 Rockwell C. It is intended for use with stationary drilling machines, making it suitable for engineering, fabrication and structural applications such as bolt holes and mounting points. The tungsten carbide (C2) tip is four-facetted ground, giving accurate centring and reduced drilling pressure. The body is Chrome Vanadium Steel, hardened to 56 Rockwell C, for durability under heavier drilling loads. A coolant emulsion of 3-6% is recommended to extend tool life and maintain cutting performance. Overall length is 151mm, with a working length of 101mm and a tip diameter of 12.0mm. Sold as a single drill bit.
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