HSS Titanium‑Coated Drill Bit Set – 99 Piece Metric (1.5 mm–10 mm), 135° Split‑Point, High Speed Steel

Drill with precision and confidence using this 99-piece HSS titanium‑coated drill bit set. Perfect for professionals and DIYers alike, it features durable high-speed steel bits with a friction-reducing titanium nitride finish. The 135° split-point design ensures accurate starts and clean cuts through metal, wood, and plastic—ideal for any workshop or home project.



General/Technical Specifications

• Drill Bit Type: Twist bits for general-purpose drilling

• Bit Range: 1.5 – 10 mm, covering 14 metric sizes

• Bit Count: 99 pieces

• Usage: Suitable for metal, wood, plastic, aluminum, and soft alloys

• Storage: Organized case for easy size selection and portability

• Material: HSS 4241—high toughness, heat resistance

• Coating: Titanium Nitride (TiN) – provides up to 3× longer tool life, friction reduction 

• Tip Angle: 135° split‑point for self-centering & clean entry 

• Flute Design: Standard spiral for efficient chip removal

• Hardness: TiN increases surface hardness (exact RC varies by supplier)

• Temperature Resistance: Up to ~600 °C during operation, enhancing performance under heat

• Standards: Manufactured to Metric DIN 338 (where specified)