Irwin Turbomax HSS Drill Bit 3.5 mm IRW10502210

This is a universal HSS drill bit designed for precise and efficient drilling across a range of materials. It is part of the Irwin Turbomax line and is suitable for portable and cordless drills. While primarily intended for drilling metal and sheet metal, it also performs well in wood and plastics and can be used for stainless steel with appropriate cooling. The bit features a 3.5 mm diameter, a total length of 70 mm, and a working length of 36 mm, made from high-speed steel (HSS, W9) with a hardness of 63–66 HRC. Its tip is 100° and its flute angle is 140°, optimized for clean, accurate holes in various substrates.

Features

• Size 3.5 x 70 mm
• HSS (W9) with 63-66 HRC
• Working length 36 mm
• 100° tip, 140° flute
• Suitable for metal, wood, plastics; use coolant for stainless steel

Technical specifications

Diameter: 3.5 mm; Total length: 70 mm; Working length: 36 mm; Material: High-speed steel (HSS, W9); Hardness: 63-66 HRC; Tip angle: 100°; Flute angle: 140°.

When drilling stainless steel, always use a coolant.