# Irwin HSS Cobalt Drill Bit 4mm Pack of 1

> Price comparison in United Kingdom (GBP). Lowest price right now: **£6.10** at Tesco Stores, in stock. 3 offers from 2 shops, prices from £2.95 to £6.10. Checked 2026-10-15T02:21:43Z.

## Product
- Brand: IRWIN®
- Category: [Home & garden](https://pricuro.com/uk/home-garden.md) > [Tools](https://pricuro.com/uk/home-garden/tools.md)
- EAN/GTIN: 5709131282891
- Manufacturer part number: 10502547
- Page: https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-4mm-pack-of-1-944119
- Image: https://pricuro.com/img/944119/800/irwin-hss-cobalt-drill-bit-4mm-pack-of-1.webp

## Offers (3, sorted by total price incl. delivery; used/refurbished last)

| # | Shop | Price | Delivery | Total | Availability | Condition | Buy |
|---|---|---|---|---|---|---|---|
| 1 | Tesco Stores | £6.10 | see shop | – | in stock | new | https://pricuro.com/go/6029045 |
| 2 | Tooled Up | £2.95 | £5.95 | £8.90 | in stock | new | https://pricuro.com/go/3040851 |
| 3 | My Tool Shed | £2.95 | £5.95 | £8.90 | in stock | new | https://pricuro.com/go/57962934 |

## Price history (lowest price per day in United Kingdom, tracked since 2026-10-03, 13 days)

- Lowest price today: £2.95
- Last 30 days: lowest £2.80, highest £2.95, average £2.94
- All-time low on Pricuro: £2.80 (2026-10-03)
- Note: the history is still short, so it does not yet show whether today's price is a good one.

| Date | Lowest price |
|---|---|
| 2026-10-03 | £2.80 |
| 2026-10-04 | £2.95 |
| 2026-10-05 | £2.95 |
| 2026-10-06 | £2.95 |
| 2026-10-07 | £2.95 |
| 2026-10-08 | £2.95 |
| 2026-10-09 | £2.95 |
| 2026-10-10 | £2.95 |
| 2026-10-11 | £2.95 |
| 2026-10-12 | £2.95 |
| 2026-10-13 | £2.95 |
| 2026-10-14 | £2.95 |
| 2026-10-15 | £2.95 |

## Specifications


Description (from a shop): The Irwin 4mm HSS Cobalt Drill Bit is an essential size for professional metalworkers, perfect for drilling stainless steel and other high alloys. This versatile diameter is commonly used for M4 clearance holes, general fabrication work, and a wide range of metalworking applications where reliability and performance are crucial. Manufactured from high quality HSS steel with 5% Cobalt content, this drill bit offers exceptional heat resistance and significantly extended life when drilling demanding materials. The added Cobalt improves the red hardness of the bit, enabling it to maintain its cutting edge under the high temperatures generated during drilling operations in stainless steel and hig…

## Other variants

- [Irwin HSS Cobalt Drill Bit 4.2mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-4-2mm-pack-of-1-944121.md) – from £3.49
- [Irwin HSS Cobalt Drill Bit 4.5mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-4-5mm-pack-of-1-944122.md) – from £3.49
- [Irwin HSS Cobalt Drill Bit 3mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-3mm-pack-of-1-944113.md) – from £2.49
- [Irwin HSS Cobalt Drill Bit 5mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-5mm-pack-of-1-944124.md) – from £3.49
- [Irwin HSS Cobalt Drill Bit 6mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-6mm-pack-of-1-944127.md) – from £4.95
- [Irwin HSS Cobalt Drill Bit 7mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-7mm-pack-of-1-944131.md) – from £6.49
- [Irwin HSS Cobalt Drill Bit 8mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-8mm-pack-of-1-944135.md) – from £7.95
- [Irwin HSS Cobalt Drill Bit 9mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-9mm-pack-of-1-944139.md) – from £9.95
- [Irwin HSS Cobalt Drill Bit 10mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-10mm-pack-of-1-944142.md) – from £10.95
- [Irwin HSS Cobalt Drill Bit 11mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-11mm-pack-of-1-944144.md) – from £12.95
- [Irwin HSS Cobalt Drill Bit 12mm Pack of 1](https://pricuro.com/uk/p/irwin-hss-cobalt-drill-bit-12mm-pack-of-1-944146.md) – from £15.95

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