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Silver twist drill bit 3.90 mm with coolant hole

M.A. Ford

M.A. Ford Twister Xd 7X+ Coolant Fed Drill 3.90 mm

SKU CH-VRRC-QQQE8

A coolant-fed drill bit with a 3.90 mm diameter for precision drilling

  • Coolant-fed design clears chips efficiently for deeper holes
  • Twister Xd 7X+ geometry improves drilling performance
  • 90 mm diameter suits precise machining tasks
  • M.A. Ford brand delivers professional-grade tool reliability
  • California Proposition 65 warning informs safe handling practices

Precision drilling tool

The M.A. Ford Twister Xd 7X+ is a coolant-fed drill with a 3.90 mm cutting diameter, built for controlled material removal in metalworking applications. It targets machinists and maintenance technicians who need accurate hole placement and consistent chip evacuation on CNC or manual equipment.

Integrated coolant delivery

The internal coolant channel directs cutting fluid to the point of contact, reducing heat buildup and improving chip flow during deep or high-speed drilling cycles. This design change extends tool life and helps maintain dimensional accuracy on tough alloys.

Straightforward setup

The drill fits standard tool holders that accept its shank, so installation is a direct swap for most compatible machines. The main risk is running without adequate coolant pressure or incorrect feed rates, which can cause premature wear or hole quality issues.

How it compares

Measured against everything we stock in Power Drills, Drivers & Cutting Bits, at today’s prices. Recalculated every night.

Price $119.99
Pricier than about 62% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

How often will the coolant passages in this 3.90 mm drill need cleaning or replacement?

The coolant-fed design relies on clear internal channels; flush them after each job to prevent clogging and inspect for wear when cutting performance drops.

What limits continuous drilling depth with the 2XDCL1535A at 3.90 mm diameter?

The 7× diameter flute length sets the maximum hole depth before chip evacuation becomes the limiting factor under sustained feed.

Does the spindle motor overheat or get loud when this drill runs all day with coolant?

Coolant flow through the tool body carries heat away from the cutting zone, keeping spindle temperature and noise lower than dry drilling at the same feed rate.

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