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Small silver twist drill bit with two flutes and a shank

M.A. Ford

M.A. Ford CXDCS 0390AP Cyclone Xd 3.90 mm drill

SKU CH-A4N9-M16SA

A 3.90 mm double-margin drill with through-coolant feed for precise, high-speed holemaking

  • Coolant-fed design clears chips efficiently during deep drilling
  • Double margin construction improves hole straightness and surface finish
  • Cyclone Xd geometry optimised for high-performance drilling applications
  • 90 mm diameter suits precise metric hole-making tasks
  • New condition ensures full factory performance and reliability

3.90 mm Coolant-Fed Drill

The M.A. Ford CXDCS 0390AP Cyclone Xd is a 3.90 mm solid-carbide drill with internal coolant delivery and double-margin geometry. It targets machinists who need precise hole placement and consistent chip evacuation in production drilling applications.

Thermals and Power Draw

Internal coolant channels direct fluid to the cutting zone, controlling heat during extended cycles. The double-margin design stabilises the tool in the hole, reducing vibration and the spindle load required to maintain feed rates.

Upgrade Path

This drill replaces standard external-coolant or single-margin tools when deeper holes or tighter tolerances are required. The step is justified when coolant-through capability and improved guidance outweigh the higher tool cost.

How it compares

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

Price $103.99
Pricier than about 58% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

How is the 3.90 mm Cyclone Xd drill installed in a coolant-fed holder and what step is often missed?

Secure the double-margin shank in a compatible coolant-fed holder, then verify that the internal coolant passages align before tightening; skipping the alignment check blocks coolant flow.

What maintenance will the 3.90 mm Cyclone Xd drill need after extended use?

Inspect the cutting edges and double margins for wear, clean coolant channels of chip buildup, and regrind or replace the drill when diameter drops below tolerance.

What limit appears first on the 3.90 mm Cyclone Xd drill during sustained high-speed drilling?

The 3X coolant-fed design pushes heat into the cutting zone, so margin wear and chip evacuation capacity become the limiting factors before the tool body fails.

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