The Widin Carbide Drill with Internal Coolant is a precision drilling tool designed for engineers, machinists, and hobbyists who need reliable deep-hole performance. Its solid carbide body delivers long tool life, while the TiAlN coating enhances wear resistance and heat tolerance for consistently sharp cutting edges.

Designed for stability and deep-hole work, this 7.4 mm drill uses a single-margin design to minimize drift and an internal coolant system to evacuate chips and manage heat—paired with an 8xD length for accurate, deeper holes.

• Solid carbide construction for durability and long tool life: A rigid, wear-resistant core stands up to demanding drilling tasks, reducing tool changes and delivering steady performance over many holes.
• TiAlN coating for wear resistance and heat tolerance: The advanced coating maintains edge sharpness at higher speeds and through tougher materials, helping you cut faster while extending tool life.
• Internal coolant and single-margin design for stability and deep-hole capability: Internal cooling and efficient chip evacuation keep temperatures in check, while the margin design minimizes deviation, supporting accurate, deep holes up to 8xD length.

This combination helps you complete deeper holes with confidence, reduces tool wear and downtime, and delivers consistent, clean hole finishes across a variety of materials. Whether you’re setting up a production run or tackling precision repairs, this drill provides reliable performance from first hole to last.