Promoted
Rivers, Port-Harcourt, 2 hours ago
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Bosch Cobalt Drill Bit Set (21pcs)
Other
Type
Bosch
Brand
Brand New
Condition
Store address
Rivers State • Port-Harcourt
Mile 3 market after UST round about , port Harcourt rivers state
Stop at UST roundabout and call me
Closed
• Mon - Sat, 08:00-18:00
Cobalt drill bit sets are specialized for drilling hard, tough metals like stainless steel, cast iron, titanium, and hardened alloys, offering superior heat and wear resistance, allowing for higher speeds and longer life than standard bits. They are less brittle than regular bits but still need lubricant (cutting oil/wax) and care, especially for harder M42 grades, which are best used in drill presses, while M35 is good for cordless drills, avoiding them for soft materials like wood or plastic where they are overkill.
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