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Blue nACo coated annular cutter with Weldon shank and pilot pin

Drill America

Drill America ANC5-530-275 nACo coated blue pneumatic accessory

SKU CH-ES1J-DJB0S

nACo coated annular cutter cuts steel and cast iron with a 3/4 inch Weldon shank for magnetic drill presses

  • nACo coating extends cutter life by up to 30%
  • Cuts steel, cast iron, heated and stainless steels efficiently
  • Nano coating protects against wear and high heat during operation
  • M2 high-speed steel removes only necessary material for quality holes
  • 3/4" Weldon shank fits most magnetic drill presses

Drill America nACo annular cutter

The Drill America ANC5-530-275 is a nano-composite coated annular cutter built for magnetic drill presses. It targets fabricators and maintenance crews who need fast, clean holes in steel, cast iron, heated steel and stainless steel. The 3/4" Weldon shank fits most mag drills, and the included pilot pin aligns the cut. It is not for buyers who want a cutter for hand drills or standard drill presses.

Thermals and wear protection

The nACo nano-composite blue coating provides extra protection against tool wear and high heat generated during cutting. This coating increases tool life by up to 30% compared to traditional HSS annular cutters. The M2 high-speed steel construction cuts only the necessary material, reducing friction and heat buildup for efficient hole making. The product carries California Proposition 65 warnings for chemicals known to cause cancer and reproductive harm.

Pilot pin and coating benefits

The bundled pilot pin centres the cutter instantly, eliminating the need for separate alignment tools and reducing setup time on the job site. The nACo coating itself changes the cutting dynamic by extending usable life, meaning fewer cutter changes during long production runs. No additional software or accessories are included beyond the physical pilot pin.

How it compares

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

Price $177.99
Pricier than about 90% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDRILL AMERICA

Questions about this item

How do I install the 3/4" Weldon shank on my magnetic drill press, and what step is often missed?

Align the shank flats with the chuck set screws and tighten both screws evenly; the pilot pin must be inserted before cutting so the cutter centres itself.

What maintenance or replacement will the nACo coated cutter need later?

The nano-composite coating extends life up to 30% versus uncoated HSS, but the cutter will eventually dull and require replacement; the pilot pin is a wear item and should be swapped when it no longer seats cleanly.

What limit appears first during sustained cutting in stainless steel?

Heat buildup at the cutting edges is the first limiting factor; the nACo coating resists wear and high temperatures, yet prolonged heavy feeds will still overheat the M2 high-speed steel body.

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