Precision Drill Bit

DSPIAE Tungsten Steel Drill Bit (0.4 mm)

This 0.4 mm drill bit from DSPIAE is crafted from hardened tungsten steel, offering excellent wear resistance and precision drilling for miniatures, resin models, plastic, and photo‑etched components. Ideal for hobbyists and scale modellers requiring clean, accurate holes.

• Made from durable tungsten steel for long-lasting performance
• 0.4 mm diameter perfect for detailed drilling tasks
• Straight fluted design ensures efficient debris removal and smooth cuts
• High rigidity to reduce deflection and improve drilling accuracy
• Compatible with hand drills, pin vises, and micro rotary tools

Tip: Use low speed and gentle pressure to prevent bit breakage. Secure your workpiece and clear swarf regularly for optimal results.