Tackle tough materials with confidence using our 19-piece 5% Cobalt Twist Drill Bit Set. Designed for precision, durability, and heat resistance, these DIN338-compliant HSS-Co (High-Speed Steel with 5% Cobalt) jobber drills are ideal for drilling stainless steel, alloy steels, and hard metals.

🔧 Key Features

• Made from HSS-Co (5% Cobalt)
  Provides superior hardness, heat resistance, and wear life—ideal for stainless and hardened steels.

• Metric Sizes: 1.0mm to 10.0mm in 0.5mm Increments
  Versatile sizing for a wide range of industrial and workshop tasks.

• Fully Ground Precision Flutes
  Delivers clean, accurate holes and optimal chip evacuation for reduced heat build-up.

• 118° Split Point Tip
  Ensures fast starts with minimal walking—no need for pilot holes.

• DIN338 Jobber Length Standard
  Universal compatibility with drill presses and handheld drills.

🛠️ Perfect For:

• Stainless steel (e.g., 304, 316)

• Alloy steels and tool steels

• Hardened metals

• Cast iron

• Brass, copper, and aluminium

• Plastics and hard wood

📦 What's Included:

• 19x 5% Cobalt HSS-Co Drill Bits
  Sizes from 1mm to 10mm in 0.5mm steps

• Durable metal Storage Box included for easy organization

✅ Why Choose 5% Cobalt Drills?

✔ Engineered for extreme durability in high-temperature and high-friction environments
✔ Outlasts standard HSS bits by 2–5x under heavy loads
✔ Reduces breakage in tough metals
✔ Professional-grade performance for metalworkers, fabricators, and engineers