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Silver twist drill bit with two coolant holes and double margin flutes, 31/64 inch 12.3mm

M.A. Ford

M.A. Ford CXDCL4844AP Cyclone XD 8X Coolant Fed Double Margin Drill 31/64 & 12.3mm

SKU CH-QJ1C-Q4662

Coolant-fed double-margin drill with 8x diameter depth for 31/64 inch and 12.3 mm holes

  • Drills deep holes with 8X diameter reach
  • Coolant-fed design clears chips for cleaner cuts
  • Double margins guide the drill for straighter holes
  • 31/64 inch and 12.3 mm diameter fits both standards
  • New M.A. Ford Cyclone XD built for production use

Cyclone XD 8X Coolant-Fed Drill

The M.A. Ford CXDCL4844AP is a double-margin drill designed for high-efficiency holemaking in demanding materials. Its coolant-fed design delivers lubricant directly to the cutting zone for extended tool life. The 31/64 inch and 12.3 mm diameter suits precise machining applications requiring consistent accuracy. Machinists and manufacturing engineers select this tool for reliable performance in CNC operations.

Sustained Load Behaviour

The 8X diameter capability allows deep-hole drilling without peck cycles, maintaining chip evacuation during continuous cuts. Coolant-through functionality stabilises cutting temperatures during prolonged engagement with tough alloys. Double margins provide superior hole straightness and surface finish throughout the full drilling depth. This geometry reduces wandering and vibration when operating at recommended feeds and speeds.

Thermals Noise and Power Draw

Coolant delivery manages heat generation at the cutting interface during normal machining cycles. The double-margin design minimises frictional contact between the tool body and hole wall, lowering torque requirements. Efficient chip evacuation prevents packing that can increase spindle load and temperature. Operators observe consistent power consumption without thermal spikes common in non-coolant-fed deep drilling.

How it compares

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

Price $402.99
Pricier than about 91% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

How much heat does the CXDCL4844AP generate when running continuously?

The drill uses internal coolant feed to manage heat during extended drilling cycles.

What tool holder or spindle interface does the 31/64 inch shank require?

The 31/64 inch diameter shank fits standard drill chucks or collets sized for that dimension.

Will the double margin design work with older CNC machines that have less spindle runout control?

The double margin improves guidance and stability, which can compensate for moderate runout in older equipment.

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