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Silver twist drill bit with double flutes and coolant hole, 6.70 mm diameter

M.A. Ford

M.A. Ford Cyclone Xd 8X Coolant Fed Double Margin Drill 6.70 mm

SKU CH-05T8-WPV4H

Coolant-fed double-margin drill with 8× diameter depth capacity for 6.70 mm holes

  • 8x diameter reach for deep holes
  • Coolant-fed design clears chips efficiently
  • Double margin construction improves hole accuracy
  • 70 mm cutting diameter matches precise specs
  • California Prop 65 chemical warning applies

Drill for deep-hole coolant drilling

The M.A. Ford Cyclone Xd 8X is a coolant-fed double margin drill with a 6.70 mm diameter. It is designed for CNC machining operations that require straight, accurate holes at eight-times-diameter depth. The tool targets production engineers and machinists who need reliable chip evacuation in deep-hole applications.

Coolant-fed design sets depth limit

Coolant delivery through the tool enables the 8X diameter reach by flushing chips from the cutting zone. Without through-spindle or high-pressure external coolant the drill cannot achieve its rated depth. The double margins improve guidance but do not replace the need for continuous coolant flow at the tip.

Standard shank fits common holders

The drill uses a standard shank that fits ER collets, hydraulic chucks and shrink-fit holders without adapters. Common issues arise when coolant pressure is too low for the 8X length or when the workpiece material requires a different point geometry. Verify machine coolant capability before use.

How it compares

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

Price $176.99
Pricier than about 75% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

Should I pick the 6.70 mm Cyclone Xd or a different diameter?

Choose the 6.70 mm drill when the hole size must be exactly 6.70 mm; other diameters in the Cyclone Xd range are separate part numbers.

What does the 8X designation mean for hole depth?

The 8X rating indicates the flute length supports drilling up to eight times the 6.70 mm diameter in a single pass with coolant flow.

How does the coolant-fed shank work with my machine?

The through-coolant shank delivers fluid directly to the cutting zone, so the machine spindle and holder must support internal coolant delivery.

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