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Silver twist drill bit with three flutes, 10.40 mm diameter

M.A. Ford

M.A. Ford Twister Al 5X 3 Flute Drill 10.40 mm 22940940

SKU CH-9CN4-F6Q8H

Three-flute 10.40 mm drill cuts aluminium efficiently with 5× diameter reach

  • 40 mm diameter suits precise hole sizes
  • Three-flute design improves chip evacuation
  • 5× length-to-diameter ratio adds reach
  • M.A. Ford brand signals professional-grade tooling
  • California Prop 65 notice included for compliance

M.A. Ford Twister Al 5X 3 Flute Drill 10.40 mm

This M.A. Ford Twister Al drill is a 10.40 mm cutting tool designed for aluminium and similar non-ferrous materials. It suits machinists and fabricators who need a dedicated geometry for high metal-removal rates in softer alloys.

Replaces general-purpose

The three-flute 5X design evacuates chips more efficiently than standard drills, reducing the tendency to clog in long holes. The upgrade is worth it when cycle time and hole quality in non-ferrous work justify a material-specific tool.

Standard shank fits common tool holders

No special holders or adapters are required beyond a correctly sized collet or chuck for the 10.40 mm shank. The most common issue is insufficient coolant flow or incorrect speed and feed, which can cause built-up edge and premature wear.

How it compares

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

Price $146.99
Pricier than about 70% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

What shank size fits the 10.40 mm Twister Al 5X drill?

The drill has a 10.40 mm diameter shank, so it fits any chuck or collet that accepts a 10.40 mm round shank.

What is the correct way to install this 3 flute drill in a machine spindle?

Insert the shank fully into the collet or chuck, tighten evenly, and verify run-out before starting; the step often missed is checking concentricity after clamping.

When should the 22940940 drill be replaced?

Replace the drill when the cutting edges show visible wear, chipping, or when hole quality and thrust force deteriorate beyond acceptable limits.

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