Irwin IRW10502388 HSS Pro 5.5mm Drill Bit – High-Speed Steel, Precision Ground (OL: 93mm, WL: 57mm) | 10502388

Irwin 10502388 HSS Pro 5.5mm Twist Drill Bit – DIN 338, 118° Point (93mm OL / 57mm WL)

Irwin 10502388 is an HSS Pro 5.5mm drill bit designed for clean, accurate drilling in a wide selection of materials. Built to DIN 338 and finished with precision-ground cutting edges, it’s a dependable choice for tradespeople and serious DIY users who want consistent results and controlled starts.

With a 93mm overall length and 57mm working length, 10502388 suits general drilling tasks where a jobber-length bit provides the reach and stability needed for tidy holes and efficient chip removal.

Key Features

• HSS Pro construction: Designed for long service life and reliable performance in demanding drilling work.
• DIN 338 standard: Jobber-length format for a familiar fit and handling in general-purpose drilling applications.
• 118° point angle: Universal point geometry for drilling a wide selection of materials.
• Precision-ground cutting edges: Supports fast drilling with a clean finish.
• Ground flute design: Helps promote drilling accuracy and efficient chip removal.
• 5.5mm diameter: Ideal for precise clearance holes and pilot drilling where control matters.

Specifications at a glance

Suitable applications

• General workshop drilling where a DIN 338 jobber-length drill bit is preferred
• Accurate pilot holes and clearance holes using a 5.5mm HSS drill bit
• Drilling a wide selection of materials with a universal 118° point