Irwin IRW10502383 HSS Pro 3.5mm Drill Bit – High-Speed Steel, Precision Ground (OL: 70mm, WL: 39mm) | 10502383

Irwin IRW10502383 HSS Pro 3.5mm drill bit (DIN 338, 70mm overall length)

Irwin IRW10502383 is a 3.5mm HSS drill bit designed for accurate, clean drilling where control matters most—ideal for creating precise holes in metal and other common materials. As part of the Irwin HSS Pro range, it’s a practical choice for tradespeople and serious DIY users who want dependable results from a jobber-style bit.

With a compact 70mm overall length and 39mm working length, 10502383 suits tighter work areas and detail tasks such as pilot holes, fixings preparation and fabrication jobs where accuracy is essential.

Key Features

• HSS construction: Built for dependable drilling performance in demanding workshop and site use.
• DIN 338 jobber format: Common, easy-to-match sizing for everyday drilling and replacement.
• 3.5mm diameter: Ideal for precise holes, pilot drilling and light fabrication tasks.
• 118° point angle: Designed for controlled starts and consistent cutting action across a wide range of materials.
• Precision-ground cutting edges: Supports clean hole quality and efficient chip removal.
• Compact length: 70mm overall length helps when working in restricted spaces or on thinner materials.

Specifications at a glance