This professional 10-piece hand tap set covers metric sizes from M3 to M12. The high-speed steel construction maintains sharpness through extended use. The three-flute design provides efficient chip evacuation. The spiral point reduces tapping torque by 30%. The bright finish lowers friction during operation. The square drive end fits standard tap handles. Ideal for through-hole threading in metals and plastics. The precision-ground cutting edges produce accurate threads. The plastic storage case protects cutting edges. Includes alignment guide for perpendicular starts. A versatile set for maintenance, fabrication, and repair applications.