Power through tough materials with this 25-piece HSS-Co Cobalt Drill Bit Set, precision-engineered to DIN338 standards. Featuring 5% cobalt alloy content, these high-performance bits are ideal for drilling hard metals such as stainless steel, cast iron, and alloy steel. Sizes range from 1mm to 13mm in 0.5mm steps, making this a must-have set for professionals and serious tradespeople.

🔧 Key Features

• Premium HSS-Co (5% Cobalt) Composition
  Offers increased heat resistance, hardness, and cutting life—ideal for hard, abrasive materials.

• DIN338 Certified
  Manufactured to strict industry standards for accuracy, durability, and consistency.

• 25-Piece Full Range: 1mm–13mm in 0.5mm Increments
  All the most-used metric sizes in one comprehensive, convenient set.

• Precision-Ground for Smooth Drilling
  Ground flutes provide clean cuts, faster drilling, and better chip removal.

• 135° Split Point Tip
  Ensures self-centring with minimal walking—ideal for handheld and machine use.

🛠️ Ideal For Drilling:

• Stainless steel

• Cast iron

• Titanium alloys

• High-strength steels

• Plastics and wood

📦 What's Included:

• 25x HSS-Co 5% Cobalt Drill Bits
  Sizes: 1.0mm to 13.0mm (in 0.5mm increments)

• Packaged in a metal case for easy organization and transport

✅ Why Choose Cobalt Twist Drill Bits?

✔ Withstands high drilling temperatures
✔ Extended bit life for industrial-grade tasks
✔ Suitable for both bench and handheld drills
✔ Clean, accurate holes in the toughest materials
✔ Ideal for engineers, metal fabricators, and tradespeople