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Silver cylindrical drill bit with double flutes and pointed tip

M.A. Ford

M.A. Ford Cyclone Xd 3X Double Margin Drill 8.10 mm

SKU CH-CN5A-QA688

8.10 mm solid carbide drill with double margins for accurate hole placement

  • Double-margin design improves hole straightness and finish
  • 3× diameter flute length allows deeper drilling in one pass
  • 10 mm diameter suits precise metric hole requirements
  • Cyclone Xd coating reduces wear in abrasive materials
  • Solid carbide construction resists breakage under high torque

Cyclone Xd 3X double margin drill

This 8.10 mm solid carbide drill uses a double margin design for improved hole straightness and surface finish. It is built for high performance drilling in steel, cast iron and other ferrous materials. The 3X length provides moderate reach for general purpose applications.

Professional machinists and CNC operators

Suited for shops that need accurate holes in tough alloys without peck cycles. Not for buyers who require coolant through tooling, longer reach than 3X diameter or non ferrous material optimisation.

8.10 mm diameter with 3X flute length

Comfortably handles production drilling in hardened steels and cast iron where rigidity and chip control matter. Runs out when hole depth exceeds the 3X ratio or when internal coolant is mandatory for chip evacuation.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $120.99
Pricier than about 87% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

What chuck size or collet is needed to hold the 8.10 mm shank?

A chuck or collet that accepts an 8.10 mm diameter shank is required; the drill’s double-margin design needs a secure grip to maintain concentricity.

Can this 8.10 mm drill run in a standard 3/8 inch drill press without an adapter?

No, the 8.10 mm shank is larger than a 3/8 inch capacity; a 1/2 inch or larger chuck, or a metric collet, is necessary for proper fit.

How can I confirm the double margins are cutting correctly after the first hole?

Check the hole wall for two distinct, parallel land marks and measure the diameter; it should be consistent with the 8.10 mm size and show a smooth finish.

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