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Silver 49/64 inch HSS drill bit with reduced shank and three flats

Drill America

Drill America D/A3F49/64 49/64 HSS drill bit pneumatic accessory

SKU CH-HG82-DQJHE MPN D/A3F49/64

49/64-inch high-speed steel drill bit with a 1/2-inch reduced shank and three-flatted surface-treated flutes

  • Product typeDrill Accessories
  • 49/64" diameter covers large-hole drilling needs
  • High-speed steel construction resists wear during heavy use
  • 1/2" reduced shank fits standard chucks securely
  • Three-flatted shank prevents slipping under high torque

Drill America 49/64 HSS bit

The Drill America D/A3F49/64 is a 49/64 inch high-speed steel Silver and Deming drill bit with a reduced 1/2 inch shank. It features three-flatted shanks and surface-treated flutes for secure chuck grip and chip evacuation. The bit has a flute length of 3 and an overall length of 6. The decimal equivalent is .7656.

Suited for large-hole drilling tasks

This accessory fits users needing a single large-diameter bit with a reduced shank for 1/2 inch chucks. It is not for buyers who require a full set of incremental sizes. It is not for operations demanding a solid full-diameter shank for maximum rigidity. It is not for applications needing coated or carbide-tipped cutting edges.

How it compares

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

Price $18.99
Cheaper than about 66% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDrill America
Model nameD/A3F49/64
Product typeDrill Accessories

Questions about this item

How do I install the 49/64" HSS drill bit with 3-flatted shank into a 1/2" chuck?

Insert the reduced shank fully into the chuck, align the three flats with the jaws, and tighten securely to prevent slipping during use.

What maintenance will the silver and Deming drill bit need over time?

Keep the surface-treated flutes clean, apply cutting oil when drilling metal, and resharpen or replace the bit when the cutting edges become dull.

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