SKU 630215
Cobalt Straight Shank Twist Drills 5.5mm
Reliable holes in tough metals and alloys
S$3.50
per PCS
◆ Club members pay S$3.00 for this. Got an invite?
- Drills stainless and tool steel efficiently
- Extended lifespan in hard materials
- Fits standard drill chuck immediately
This 5.5mm cobalt drill tackles stainless steel, tool steel, and other hard metals that quickly dull regular HSS drills. The cobalt alloy runs hotter without losing its edge, making it cost-effective for repetitive drilling on tough materials.
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What you should know
- Cobalt construction resists heat buildup
- Straight shank universal chuck compatibility
- Twin flutes for stable material removal