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M.A. Ford

M.A. Ford HPDCR 0370A Twister HPD coolant drill 3.70 mm

SKU CH-A81D-SSN7P

A 3.70 mm high-performance coolant drill for precise drilling applications

  • Drills five diameters deep with through-coolant delivery
  • 70 mm cutting diameter matches precise hole specs
  • Twister HPD geometry reduces thrust and heat
  • New M.A. Ford manufacture ensures consistent quality
  • California Prop 65 notice lists cancer and reproductive-risk chemicals

Drill Diameter and Purpose

The M.A. Ford HPDCR 0370A Twister HPD coolant drill has a 3.70 mm cutting diameter. It is a high-performance drill intended for production drilling in tough materials where through-coolant delivery improves chip evacuation and tool life. Buyers who need a larger or smaller hole size cannot use this specific diameter.

Coolant-Fed 5X Design

The single specification that decides fitment is the 5X length with internal coolant channels. This geometry requires a machine spindle and holder capable of supplying coolant through the tool. Shops without through-spindle coolant or with holders that only support external flood coolant cannot apply this drill as designed.

Regulatory Notice Included

The supplier documentation includes a California Proposition 65 warning stating the product contains a chemical known to cause cancer and birth defects or other reproductive harm. No additional accessories, software or coatings are bundled. Users must provide their own tool holders, coolant filtration and personal protective equipment.

Highlights

  • Drills five diameters deep with through-coolant delivery
  • 70 mm cutting diameter matches precise hole specs
  • Twister HPD geometry reduces thrust and heat
  • New M.A. Ford manufacture ensures consistent quality
  • California Prop 65 notice lists cancer and reproductive-risk chemicals

Specifications

BrandM.A. FORD

Questions about this item

What does the 3.70 mm diameter mean when the drill is in the chuck?

The 3.70 mm size is the cutting diameter; the shank matches standard holders so it fits a 3.70 mm collet or drill chuck without adapters.

How does the coolant-through design work with a typical machine spindle?

Internal channels deliver coolant from the spindle through the tool to the tip, requiring a machine with through-spindle coolant capability.

What holder or collet is needed to mount the 3.70 mm shank?

Use a 3.70 mm collet, hydraulic chuck or shrink-fit holder that matches the shank diameter for secure clamping.

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