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M.A. Ford Twister Al 5X 3-flute drill bit 3.90 mm silver finish

M.A. Ford

M.A. Ford Twister Al 5X 3 Flute Drill 3.90 mm 22915350

SKU CH-BSZG-SZ7Y2

Three-flute drill for aluminium cuts 3.90 mm holes with five-times diameter reach

  • Designed for aluminium with a 3-flute Twister Al geometry
  • 5× diameter reach enables deeper holes in a single pass
  • Precise 3.90 mm cutting diameter for accurate sizing
  • M.A. Ford manufacturing ensures professional-grade tool reliability
  • New condition guarantees full factory performance from first use

Product identity

The M.A. Ford Twister Al 5X is a 3.90 mm three-flute drill built for high-performance drilling in aluminium and similar non-ferrous materials. Its geometry reduces chip welding and supports faster feed rates than standard twist drills.

Who it suits and who it does not

Machinists and fabricators who need clean, accurate holes in aluminium alloys will benefit from the specialised flute design. Buyers who want more diameter options or a drill optimised for steel, titanium or composite stacks should look at something else.

Installation and common issues

The drill fits any standard chuck or collet that accepts a 3.90 mm shank, so setup is straightforward. The most frequent problems are premature wear when run at incorrect speeds and chip packing if coolant flow is insufficient.

How it compares

Measured against everything we stock in Power Drills, Drivers & Cutting Bits, at today’s prices. Recalculated every night.

Price $46.99
Cheaper than about 63% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

What size chuck is required to hold the 3.90 mm drill?

A drill chuck with a minimum capacity of 3.90 mm is needed to secure the shank.

Can the 5X flute length reach through material thicknesses that my shorter bits cannot?

The 5X flute design provides an extended cutting depth compared to standard jobber-length drills.

How do I confirm the 3.90 mm hole diameter is accurate after drilling?

Measure the finished hole with a calibrated gauge; it should read 3.90 mm within normal tolerance.

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