The 3.9mm HSS jobber-length drill bit is built for clean, accurate drilling in mild steel, aluminium, brass, timber and plastics. A precision-ground tip minimises walking for true hole positioning, while optimised flutes improve chip evacuation and heat control. Compatible with standard chucks on cordless and corded drills or drill presses. Ideal for clearance holes, fixtures, brackets and maintenance work. For metal applications, apply cutting oil, maintain appropriate speeds and feeds, and clear chips often to prolong tool life and ensure a quality finish.

$2.60

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