Irwin IRW10502485 HSS Long Pro Drill Bits 3.5mm – Bulk Pack of 10 (120mm Overall Length) | 10502485

Irwin 10502485 HSS Pro Long Drill Bit 3.5mm (Pack of 10), 120mm Overall

Irwin 10502485 HSS Pro Long drill bits are designed for accurate, consistent drilling where extra reach is needed, helping you get clean results in deeper holes and awkward access points. This long-series metal drill bit set is a practical choice for workshop and site use, combining dependable cutting performance with a cost-effective bulk pack.

With a 3.5mm diameter and long 120mm overall length, model IRW10502485 suits a wide range of general drilling tasks across metalwork, fabrication and maintenance, while remaining equally useful for wood and plastics when the job calls for a slim, precise hole.

Key Features

• Long-series reach: 120mm overall length helps access deeper drilling points and hard-to-reach positions.
• HSS construction: High-speed steel provides a strong, durable bit for general-purpose drilling tasks.
• 118° point: Universal point geometry for controlled starts and consistent hole formation.
• Precision-ground flutes: Designed to support accurate drilling and efficient chip removal.
• Cylindrical shank: Suitable for standard drill chucks for straightforward fitment.
• DIN 340 long-series standard: Manufactured to a recognised long-drill specification for reliable consistency.

Specifications at a glance

Suitable applications

• Deeper-hole drilling and access through profiles or restricted spaces.
• General-purpose drilling in low carbon steel and soft metals.
• Workshop, fabrication and maintenance tasks requiring a consistent 3.5mm hole size.