
RIGHT LINES DRILLS 1-10mm 5% Cobalt Twist Drill 19pc Set
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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
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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:
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Stainless steel (e.g., 304, 316)
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Alloy steels and tool steels
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Hardened metals
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Cast iron
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Brass, copper, and aluminium
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Plastics and hard wood
📦 What's Included:
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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