Irwin IRW10502384 HSS Pro 4.0mm Drill Bit – High-Speed Steel, Precision Ground (OL: 75mm, WL: 43mm) | 10502384

Irwin 10502384 HSS Pro 4.0mm Metal Drill Bit (DIN 338, 75mm Overall / 43mm Working)

Irwin 10502384 is an HSS metal drill bit designed for clean, accurate drilling when you need reliable hole placement and a tidy finish. With a compact jobber-style length, it’s a practical choice for engineers, installers and serious DIY users working on controlled drilling tasks.

This IRW10502384 4.0mm drill bit features a universal 118° point and precision-ground cutting edges for consistent starts and smooth cutting performance across a wide selection of materials.

Key Features

• HSS Pro construction: High-speed steel body for dependable performance in general metal drilling tasks.
• Universal 118° point: Suitable for drilling a wide selection of materials with controlled starts.
• Precision-ground cutting edges: Designed to support fast drilling and a clean finish.
• Ground flute: Helps deliver accuracy and efficient chip removal during drilling.
• DIN 338 pattern: Jobber-length format commonly used for general workshop and site drilling.

Specifications at a glance

Suitable applications

• General drilling in metal, plus suitable plastics and wood where an HSS bit is appropriate
• Precise pilot holes and smaller diameter work where control and accuracy matter
• Workshop, maintenance and on-site installation tasks using a standard drill chuck