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Silver 12.50 mm twist drill bit with double margin flutes

M.A. Ford

M.A. Ford CXDSS 1250AP Cyclone Xd 12.50 mm drill

SKU CH-F3R5-Z634T

A 12.50 mm solid double-margin drill built for high-precision holemaking

  • Solid double-margin design improves hole accuracy
  • 3X flute geometry enhances chip evacuation
  • 50 mm diameter suits precise drilling tasks
  • Cyclone Xd coating extends tool life
  • New condition ensures full performance from first use

Application & Audience

The M.A. Ford CXDSS 1250AP Cyclone Xd is a 12.50 mm solid carbide drill with a 3X double-margin design. It targets machinists who need accurate holemaking in steels and cast irons on CNC or rigid manual equipment.

Upgrade Path

This drill replaces general-purpose twist drills when hole straightness and finish must improve without changing holders. The step is worth it when rework from wandering holes or poor surface quality outweighs the higher tool cost.

Practical Limits

The 3X length-to-diameter ratio restricts depth to roughly three times the 12.50 mm diameter. Chip evacuation becomes difficult in deeper holes or low-pressure coolant setups. The Prop 65 notice confirms the presence of listed chemicals.

How it compares

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

Price $234.99
Pricier than about 90% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

What chuck size is required for the 12.50 mm shank on this Cyclone Xd drill?

A chuck that opens to at least 12.50 mm is needed to grip the solid double-margin shank securely.

How should the drill be seated to engage both margins correctly?

Insert the bit until the shank bottoms out, then tighten the chuck evenly so both cutting margins contact the workpiece at the same time.

When do the cutting margins on this 12.50 mm drill typically need replacement?

Replace the drill when the double margins show visible wear or when hole diameter exceeds the 12.50 mm tolerance for the application.

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