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Cylindrical silver drill bit with double margins and coolant hole, 4.40 mm diameter

M.A. Ford

M.A. Ford Cyclone XD 8X Coolant Fed Double Margin Drill 4.40 mm

SKU CH-T6C1-SZ56J

Coolant-fed double-margin drill creates precise 4.40 mm holes with improved chip evacuation

  • 8× diameter reach drills deeper holes
  • Coolant-fed design clears chips efficiently
  • Double-margin geometry improves hole accuracy
  • 40 mm diameter suits precise applications
  • Brand-new M.A. Ford tool ready for use

Cyclone XD 8X Drill 4.40 mm

The M.A. Ford Cyclone XD is an 8X diameter coolant-fed drill with double margins, sized at 4.40 mm. It is built for production drilling where through-tool coolant delivery and guided stability are required. Machinists running deep holes in tough alloys will find the design matches that need.

Coolant-fed double-margin design

Internal coolant channels feed cutting fluid directly to the point, improving chip evacuation and temperature control in deep holes. The double margins maintain alignment and support the drill body, reducing walk and improving hole straightness. These features change the process by enabling longer, straighter holes without peck cycles.

Installation and common issues

The drill fits standard holders for 4.40 mm shanks and connects to machine-tool coolant systems through the shank. Setup fails when coolant pressure is too low to clear chips or when the holder runout exceeds the drill tolerance. Insufficient filtration clogs the internal passages and stops coolant flow.

How it compares

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

Price $149.99
Pricier than about 70% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

How often will the 4.40 mm double margins need re-sharpening or replacement?

The double-margin design distributes wear across two lands, extending tool life before re-grinding is required.

What limits continuous drilling depth with the 8X coolant-fed flute?

Chip evacuation and coolant pressure determine the practical depth limit before pecking becomes necessary.

How much heat and noise does the drill generate during all-day production runs?

Internal coolant flow carries heat directly from the cutting zone, keeping the tool cooler and quieter than non-fed drills.

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