12" Long Cobalt Extra Length Drill Bits

Experience superior drilling performance and durability with our top-of-the-line 12″ long cobalt extra length drill bits, expertly engineered for precision and longevity in demanding applications.

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12" Overall Length - Cobalt

1/2 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

1/4 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

1/8 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

11/16 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

11/32 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

11/64 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

13/32 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

13/64 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

17/32 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

17/64 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

19/64 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

27/64* – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

3/16 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

3/4 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

3/8 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

43/64 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

5/16 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

5/32 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

5/8 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

7/16 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

7/32 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

9/16 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

9/32 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

9/64 – Cobalt Extra Length Drills – 12″ Overall Length – 9″ Flute Length

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