Irwin
Irwin IRWIN® Masonry Drill Bit 5.5 x 160mm 10501820
Model 10501820
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked an hour ago | £3.18 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 checked an hour ago | £3.49£4.42 | In stock | Visit Tooled Up (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £4.30 | 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 Irwin masonry drill bit measures 5.5mm in diameter with a total length of 160mm, suited to deeper drilling into brickwork, concrete and breeze block, particularly with cordless drills. The extended length allows reach through thicker masonry where a standard bit would fall short. A single flute design clears dust efficiently even at depth, helping maintain drilling speed, while the pressed diamond-ground carbide tip gives an aggressive cutting action. Irwin states this tip design lasts 20% longer than previous versions and drills up to 60% faster than competitor bits. The body is made from chrome vanadium with a high carbon content, allowing greater hardening for a stronger bit with maximum rupture strength for demanding drilling tasks.
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