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Silver cylindrical twist drill bit with double margin flutes, 11.40 mm diameter

M.A. Ford

M.A. Ford CXDSR 1140AP Cyclone Xd 5X Double Margin Drill 11.40mm

SKU CH-BWAB-Z4ZZW

Solid double-margin drill cuts precise 11.40 mm holes five diameters deep

  • Solid double-margin design improves hole accuracy
  • 5× diameter drilling depth for deeper holes
  • 40 mm diameter suits precise boring
  • Cyclone Xd coating extends tool life
  • California Proposition 65 chemical warning applies

11.40mm Double Margin Drill

The M.A. Ford CXDSR 1140AP Cyclone Xd is a 5X solid carbide drill designed for high-precision holemaking. Its double margin construction improves hole straightness and surface finish in demanding materials. This tool targets machinists who need accurate deep-hole performance in a single operation.

Sustained Load Behaviour

The 5X diameter-to-length ratio supports stable drilling at depth without pecking cycles. Double margins guide the tool continuously, reducing wandering and heat buildup during extended cuts. Solid carbide substrate maintains edge integrity at higher speeds compared to cobalt alternatives.

Installation Notes

The 11.40mm shank fits standard ER collets or hydraulic holders matching that diameter. Runout must be minimised at the holder to preserve the double margin advantage. Improper coolant pressure or misalignment can cause premature margin wear and oversized holes.

How it compares

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

Price $232.99
Pricier than about 90% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

How much heat does the CXDSR 1140AP generate during extended drilling?

The solid carbide construction and double margin design help dissipate heat efficiently, while the Cyclone Xd coating reduces friction to keep temperatures lower during continuous 5x diameter drilling operations.

What tool holder or machine spindle is required for the 11.40mm shank?

This drill requires a compatible 11.40mm capacity collet, chuck or hydraulic holder with sufficient rigidity for 5xD drilling; the shank diameter matches the cutting diameter for direct holding.

Will this 11.40mm drill work reliably in older manual milling machines?

The 5xD length and double margin geometry demand stable, precise spindle runout; older manual machines may lack the rigidity and speed control needed for optimal performance and tool life.

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