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Tiny gold drill bit in clear plastic tube

M.A. Ford

M.A. Ford Twister Micro-Tuff Drill 305M0038 0.38 mm

SKU CH-VJD9-WB7Y4

Micro-Tuff drill bit with 0.38 mm diameter for precision drilling tasks

  • Micro-Tuff geometry gives strength at 0.38 mm diameter
  • Twister flute design clears chips in tight holes
  • M.A. Ford precision grind ensures accurate micro-drilling
  • 305 series built for power and pneumatic tools
  • California Prop 65 notice lists cancer and reproductive-harm chemicals

Micro-Tuff Drill 0.38 mm

The M.A. Ford Twister Micro-Tuff Drill 305M0038 is a precision cutting tool with a 0.38 mm diameter. It is designed for detailed drilling tasks in workshop and automotive environments. The product is supplied new and ships directly from the manufacturer.

Precision drilling at 0.38 mm

This drill suits technicians who need a very small diameter bit for fine hole-making. It is not for buyers who require larger diameters or heavy-duty material removal. The California Proposition 65 notice indicates the presence of chemicals linked to cancer and reproductive harm.

0.38 mm cutting diameter

The single specification that decides fit is the 0.38 mm cutting diameter. This dimension determines whether the bit matches the required hole size for the application. No other size or interface detail is provided for this model.

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

How do I install the 0.38 mm Twister Micro-Tuff drill bit without snapping it?

Clamp the workpiece rigidly, use a precision collet or 3-jaw chuck with minimal run-out, start the spindle at low RPM, apply steady peck pressure, and never side-load the 0.38 mm flute — the step most users skip is checking run-out before drilling.

When will the 0.38 mm cutting edges need replacement?

Replace the drill when the 0.38 mm diameter wears undersize, the margin lands show rounding, or the point angle deforms — micro-tools dull faster than standard bits, so inspect under magnification after each batch of holes.

What limit appears first during sustained drilling with the 0.38 mm bit?

Heat buildup in the 0.38 mm flute area causes rapid edge breakdown; the small diameter evacuates chips poorly, so the thermal limit is reached before torque or power limits on most machines.

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