Go-To 550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case Gold Oxide Finish 135 Degree Split Point Metric 1.0mm To 13.0mm In 0.5mm Increments 25-Piece
✔️ 1.0-13.0 mm range in 0.5 mm steps, cobalt steel, 25-piece set
The 550 Series Jobber Length Drill Set in cobalt steel with a gold oxide finish is built for tough metalworking tasks. This 25-piece kit includes sizes from 1.0 mm to 13.0 mm and is suited for stainless steel, nickel alloys, and other hard metals. The metal case keeps bits organized for shop use.
✅ Sizes in Set: 1.0 mm to 13.0 mm in 0.5 mm steps
✅ Number of Tools: 25
✅ Material Type: Cobalt steel
✅ Finish/Coating: Gold oxide finish
✅ Point features: self-centering 135-degree split point for clean holes
✅ Aerospace-grade geometry NAS 907 Type J
💡 What is a cobalt drill bit set used for in metalworking? These bits are handy for drilling hard metals and alloys.
- Handy for drilling hard metals like stainless steel and nickel alloys
- Heat resistance helps reduce wear during high-speed cutting
- Gold oxide finish reduces chip buildup and friction
- Self-centering 135-degree split point provides clean starting holes