Drill bit GRAPHITE 3 mm titanium-coated cylindrical shank for metal (57H120)

GRAPHITE 3 mm titanium-coated drill bit with a cylindrical shank is designed for drilling metal with handheld drills and drill presses. The titanium coating increases surface hardness and corrosion resistance, helping to extend tool life and maintain cutting performance when working with steel and non-ferrous metals. The 3 mm diameter and straight shank provide compatibility with standard chucks and stable run-out during drilling operations.

Advantages

The titanium coating reduces friction and heat buildup at the cutting edge, which helps preserve sharpness and reduces wear during repetitive drilling. The cylindrical shank ensures secure clamping in keyless and keyed chucks, while the small diameter allows for precise pilot holes and accurate positioning. The geometry of the cutting tip is optimized for metalworking to provide consistent chip evacuation and reliable hole quality.

Suitable for

• Drilling holes in mild and medium-hard steel
• Working with non-ferrous metals such as aluminum, brass, and copper
• Creating pilot holes for tapping and fastening
• DIY projects, metal workshops, and maintenance tasks

Key specifications

• Diameter: 3 mm
• Shank type: cylindrical (straight) shank suitable for standard drill chucks
• Coating: titanium coating for improved wear and corrosion resistance
• Recommended use: drilling in steel and non-ferrous metals
• Tool compatibility: handheld electric drills and drill presses

How to use

Secure the drill bit in the drill chuck, ensuring it is clamped straight and tight. Select an appropriate drilling speed for the material (lower speeds for harder steels, higher speeds for softer non-ferrous metals) and, if possible, use cutting fluid or oil to reduce heat and improve chip evacuation. Start drilling with steady pressure, avoiding excessive force that can cause bit wander or breakage. Withdraw the bit periodically in deep holes to clear chips and reapply cutting fluid as needed.

Usage recommendations

For best results, use moderate speed settings and light to medium feed pressure. Apply cutting oil when drilling steel to extend the life of the titanium-coated surface. Replace the bit if you notice significant loss of cutting performance or chipping at the tip to avoid poor hole quality and increased risk of breakage.