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Small silver twist drill bit with two flutes and a pointed tip

M.A. Ford

M.A. Ford Twister Micro-Tuff Drill 2.50 mm

SKU CH-NEMR-B7ZZ0

Twister Micro-Tuff drill bit creates precise 2.50 mm holes in hardened metals

  • Precision drilling with 2.50 mm diameter
  • Micro-Tuff design for small-hole applications
  • M.A. Ford quality for professional use
  • California Prop 65 chemical warning applies
  • Manufacturer direct shipping on $75+ orders

Precision 2.50 mm drill bit

The M.A. Ford Twister Micro-Tuff Drill is a 2.50 mm cutting tool built for accurate hole-making in a range of materials. It is intended for machinists and technicians who need a reliable small-diameter bit for detailed work.

California Proposition 65 notice

This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. Users should follow appropriate safety practices and consult the manufacturer's safety data sheet for handling guidance.

2.50 mm diameter defines fit

The 2.50 mm diameter is the critical specification that determines whether this drill matches the required hole size. Buyers needing a different diameter must select another tool.

How it compares

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

Price $18.99
Cheaper than about 66% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

Which diameter of the Twister Micro-Tuff Drill should I select for a 2.50 mm hole?

The 305M0250AM model is manufactured at a 2.50 mm diameter, so it matches that hole size directly.

How does the 2.50 mm diameter perform when drilling in a machine spindle?

The 2.50 mm cutting diameter produces a precise hole in one pass when run at the correct speed and feed for the workpiece material.

What shank standard does the 305M0250AM use and what chuck capacity does it require?

The drill uses a common straight shank that fits any drill chuck or collet capable of holding a 2.50 mm shank.

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