Faithfull
Faithfull Router Bit TCT Single Flute 4.0 x 11mm 1/4in Shank FAIRB21
Model FAIRB21
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked 22 hours ago | £5.83 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 checked 22 hours ago | £5.95£8.84 | In stock | Visit Tooled Up (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £6.49 | 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 straight router cutter has a 4.0mm cutting diameter and 11mm cutting length, fitted with a 1/4in shank to suit standard router collets. Its small diameter makes it suited to fine detail work, narrow grooves, hinge recesses and decorative detailing where a larger cutter would be impractical. The tip is tungsten carbide, brazed onto a steel body, giving durability for cutting timber and abrasive materials such as MDF and plywood. Under normal conditions and with careful handling, it will outlast HSS cutters, offering a clean finish suitable for professional tradesmen and DIY enthusiasts alike.
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