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Silver HSS drill bit 25/32 inch with reduced shank

Drill America

Drill America 25/32in HSS Silver and Deming Drill Bit

SKU CH-3R9W-E403N

A 25/32 inch HSS Silver and Deming drill bit with a 1/2 inch reduced shank and three-flatted design for secure chuck grip

  • Product typeDrill Accessories
  • 25/32 inch diameter drills large holes precisely
  • High-speed steel construction resists heat and wear
  • 1/2 inch reduced shank fits standard chucks
  • Three-flatted shank prevents slipping during heavy drilling

25/32 inch Silver and Deming drill bit

This Drill America bit is made from high-speed steel with a 25/32 inch cutting diameter and a decimal equivalent of .7813. It features a 1/2 inch reduced shank with three flatted surfaces to prevent slipping in the chuck. The overall length is 6 inches with a 3 inch flute length. The surface-treated flutes help with chip evacuation during drilling operations.

Suited for large-hole drilling in metal

This bit suits machinists and maintenance technicians who need to drill 25/32 inch holes in steel or cast iron using a standard 1/2 inch capacity drill press or hand drill. The three-flatted shank provides secure grip for high-torque applications. Builders who need a full 1/2 inch shank diameter or a different cutting size should look at other options. Users requiring carbide tips or coolant-through capability will not find those features here.

How it compares

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

Price $15.99
Cheaper than about 73% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDrill America
Product typeDrill Accessories

Questions about this item

What shank size must my drill chuck accept for this 25/32" bit?

The bit has a 1/2" reduced shank with three flatted flats, so the chuck must open to at least 1/2".

Will the 3-flatted shank hold securely in my older 1/2" keyed chuck?

Yes, the three flats give positive grip in a standard 1/2" keyed chuck and prevent slipping under load.

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