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Silver twist drill bit with double margin flutes, 6.70 mm diameter

M.A. Ford

M.A. Ford Cyclone Xd 5X Solid Double Margin Drill 6.70 mm

SKU CH-7WXN-6N640

A 6.70 mm solid carbide drill with double margins for improved hole accuracy and stability in deep drilling applications

  • 70 mm diameter drills precise holes
  • 5X solid construction resists deflection
  • Double margin design improves hole accuracy
  • Cyclone Xd geometry extends tool life
  • California Prop 65 chemical warning applies

Application Scope

The M.A. Ford Cyclone Xd is a 6.70 mm solid double margin drill intended for high-precision holemaking in demanding materials. It suits professional machinists and maintenance teams who need consistent diameter control and extended tool life in production environments.

Standard Constraints

The drill operates within the limits of conventional tool-holding systems and coolant-fed spindles. Its 5× diameter flute length defines the maximum practical drilling depth without peck cycles, and the double margin geometry requires stable workholding to maintain alignment and surface finish.

Decisive Specification

The 6.70 mm cutting diameter is the single dimension that determines fit for a given hole tolerance. Buyers who need a different nominal size or a non-standard tolerance class cannot use this tool and must select an alternative diameter from the same series.

How it compares

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

Price $104.99
Pricier than about 84% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

Should I choose the 6.70 mm Cyclone Xd drill or a different diameter for my application?

The 6.70 mm size suits holes of that exact diameter; select a different drill only if your hole size or material thickness requires another diameter.

What does the 5X designation mean when the drill is in the machine?

5X indicates a flute length five times the 6.70 mm diameter, giving a deeper drilling reach in a single pass.

What shank standard does the CXDSR 0670AP use and what does it limit?

The drill uses a standard straight shank that fits common drill chucks, limiting use to holders that accept that shank style.

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