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Tiny gold twist drill bit with cylindrical shank

M.A. Ford

M.A. Ford Twister Micro-Tuff Drill .0090 30500900

SKU CH-HMG1-Q9ZS6

A precision micro drill bit for intricate hole-making in demanding materials

  • Precision drilling with .0090 diameter
  • Micro-Tuff construction for extended tool life
  • Twister flute design improves chip evacuation
  • M.A. Ford quality for professional results
  • California Prop 65 chemical warning applies

Micro-Tuff drill for precision holes

The M.A. Ford Twister Micro-Tuff Drill 30500900 is a new cutting tool designed for very small-diameter work. It suits engineers and machinists who need reliable performance in tight-tolerance drilling operations.

Shank fit and toolholder compatibility

The drill installs directly into standard collets or chucks that accept its shank, requiring no special adapters. Its compact length frees up clearance inside the machine envelope for fixturing or multi-axis movement.

Diameter .0090 defines the working limit

The .0090 diameter handles fine-feature drilling in metals and composites where larger tools cannot reach. It runs out when hole sizes exceed this diameter or when material thickness demands a longer flute length than the tool provides.

How it compares

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

Price $28.99
Typical for this category: the median of 5,493 items is $27.99.

Specifications

Product
Brand nameM.A. FORD

Questions about this item

How small a hole can the .0090 diameter drill before it breaks?

The .0090 inch diameter is the smallest size in this series; it will snap if side load or excess feed pressure is applied.

Does the drill get hot enough to burn fingers during a full day of peck drilling?

The micro diameter evacuates chips poorly, so heat builds quickly; use coolant and frequent peck cycles to keep the shank touch-safe.

What shank size must my collet or chuck accept to hold the 30500900?

The drill has a common wire-gauge shank matching its .0090 inch diameter, so a collet or pin vise that grips that size is required.

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