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Small silver metal micro drill bit 2.90 mm

M.A. Ford

M.A. Ford Twister Coolant 10X Micro Drill 2.90 mm 1142A

SKU CH-B8HB-H4K43

A 2.90 mm micro drill with 10× coolant-fed reach for deep precision holes

  • 10x coolant-fed drilling depth clears chips efficiently
  • 90 mm micro diameter enables precision holemaking
  • Twister flute geometry improves chip evacuation in deep holes
  • M.A. Ford manufacturing ensures consistent cutting performance
  • California Prop 65 warning lists cancer and reproductive risks

M.A. Ford Twister Coolant 10X Micro Drill 2.90 mm

This M.A. Ford Twister Coolant 10X Micro Drill is a precision cutting tool designed for high-performance drilling applications. It features a 2.90 mm diameter and a 10X diameter coolant-fed design for efficient chip evacuation. The tool suits machinists and manufacturers requiring accurate deep-hole drilling in various materials. It is supplied new and ships directly from the manufacturer.

Suited for coolant-fed deep-hole drilling in metals

This drill suits professionals operating CNC machines with through-spindle coolant capability who need reliable 10X depth performance. It is not for buyers lacking coolant delivery systems or those needing larger diameters or different lengths. Hand-held drilling operations cannot utilise the coolant-through design effectively. The California Proposition 65 warning indicates chemical exposure risks requiring appropriate safety controls.

2.90 mm diameter with 10X coolant-through

The 2.90 mm diameter combined with the 10X coolant-through design is the critical specification determining fit for your application. This exact size and depth ratio must match your hole requirements and machine capabilities. Verify your equipment supports through-tool coolant delivery at the required pressure before purchase. The manufacturer part reference 1142 identifies this specific configuration.

How it compares

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

Price $151.99
Pricier than about 90% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

Will the 2.90 mm Twister Coolant 10X Micro Drill fit the collet and spindle of my existing micro-machining centre?

The drill has a 2.90 mm cutting diameter and a 10X length-to-diameter ratio; match those dimensions to your machine's collet capacity and maximum tool length to confirm fit.

How can I verify the 1142A drill is delivering coolant through the tool correctly after installation?

Run the spindle at low speed with coolant on and observe a steady stream exiting the drill's through-coolant holes; consistent flow indicates the internal passages are clear and the machine's coolant system is sealed.

Does the 1142A Twister Coolant 10X Micro Drill package include a tool holder or collet, or must I supply my own?

The box contains only the 2.90 mm solid-carbide drill; a compatible collet, tool holder and coolant-filtered supply are separate purchases.

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