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M.A. Ford Twister circuit board drill 3.30 mm gold finish cylindrical bit

M.A. Ford

M.A. Ford 30612990 Twister circuit board drill 3.30 mm

SKU CH-FZ6B-D99DF

Twister large-size circuit board drill creates precise 3.30 mm holes in PCBs

  • Precision 3.30 mm hole drilling for circuit boards
  • Twister flute geometry improves chip evacuation
  • M.A. Ford manufacturing quality for reliable performance
  • Large-size drill handles demanding board materials
  • California Proposition 65 chemical warning applies

3.30 mm Twister Circuit Board Drill

The M.A. Ford 30612990 is a 3.30 mm Twister drill designed for circuit board work. It belongs to the Power & Pneumatic Accessories category for automotive and tool use. The item is supplied new and ships directly from the manufacturer.

When a larger drill diameter is required

This 3.30 mm size replaces smaller bits when a wider hole is needed in a board. The jump is worth it when the design calls for this specific diameter rather than a smaller option. No other sizes or drill families are referenced in the data.

Fits standard drill chucks and frees smaller bits

The drill fits standard chucks that accept a 3.30 mm shank and works with common power or pneumatic drivers. Using this size frees up smaller bits for other tasks on the same job. No specific chuck type, speed rating or material limitation is provided.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 82% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

What chuck size does the 3.30 mm Twister drill require?

The 3.30 mm shank fits any standard drill chuck that accepts 3.30 mm bits.

How do I install the 30612990 bit without snapping the tip?

Tighten the chuck evenly on the shank, not the flutes, and start the spindle at low speed before feeding.

When should I replace the 3.30 mm Twister drill?

Replace it when the cutting edges dull, the tip chips, or hole walls show burning.

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