Comprehensive 25-Piece Set: Includes 25 different diameters, ranging from 1 mm up to 13 mm in 0.5 mm increments, providing diverse specifications to meet a wide range of aperture requirements.

Premium HSS Material: Constructed from high-quality 4241 High-Speed Steel (HSS), offering high hardness and wear resistance for efficient drilling and a significantly longer service life.

Optimized Chip Removal: Features a Double helix flute design, which ensures faster and easier chip removal, reducing heat buildup and preventing bit clogging during deep drilling.

Versatile Application: Suitable for general-purpose drilling tasks in various materials, including wood, plastic, and soft metals (steel, aluminum).

Convenient Packaging: The entire set is securely housed in a compact Color Box with clear sizing information, making it easy to store and transport (Product G.W: 1.07 KG).