Irwin HSS Long Pro Drill Bits 4mm Pack of 10

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Irwin HSS Long Pro Drill Bits 4mm Pack of 10

This 4mm Irwin HSS Long Pro Drill Bit is a workshop staple, perfectly sized for a broad range of general drilling applications. Ideal for installing fixtures, creating pilot holes, and working with thin metal or wood, these bits deliver consistent, precise performance every time. The extended length provides extra reach for tasks where standard bits fall short, making them indispensable for electricians, joiners, and DIY enthusiasts alike. Crafted from high-speed steel with a 135-degree split point, each bit starts on contact without walking, saving you time and frustration.

- Manufactured from premium M2 high-speed steel for durability and heat resistance

- 135-degree split point enables self-centring and reduces drilling pressure

- Ground flutes ensure efficient swarf removal and a clean finish

- Bright finish minimises friction and extends bit life

- Suitable for use in hand drills, pillar drills, and drill presses

- Supplied in a reusable plastic case for tidy storage

- Pack of 10 identical 4mm bits for cost-effective stock replenishment

- 4mm diameter with a long series length for deeper holes

Whether you are wiring a new socket or assembling furniture, these drill bits offer the reliability and longevity you expect from Irwin.

GTIN: 5709131041962