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Silver HSS drill bit 45/64 inch reduced shank three flats

Drill America

Drill America 45/64in HSS 1/2 Reduced Shank Silver and Deming Drill Bit with 3-Flatted Shanks

SKU CH-NB74-38AJ2

A 45/64 inch HSS drill bit with a 1/2 inch reduced shank and three-flatted design for secure chuck grip

  • Product typeDrill Accessories
  • 45/64 inch drill bit for large holes
  • High-speed steel construction resists heat and wear
  • 1/2 inch reduced shank fits standard chucks
  • Three-flatted shank prevents slipping in the chuck

45/64in HSS Silver and Deming Drill Bit

This high-speed steel drill bit features a 45/64 inch diameter with a decimal equivalent of .7031. The reduced 1/2 inch shank includes three flats to prevent slipping in the chuck. It is designed for general-purpose drilling in metal, wood, and plastic materials.

Fits 1/2in Chucks with Three-Flat Grip

The reduced shank allows use in drills with 1/2 inch capacity chucks, avoiding the need for a larger machine. Three-flatted shanks lock securely without damaging the chuck jaws. Builders needing a 3/4 inch shank or a different flute length will require a separate bit.

How it compares

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

Price $14.99
Cheaper than about 77% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDrill America
Product typeDrill Accessories

Questions about this item

How large a hole does the 45/64 inch diameter bit cut?

The bit drills a 45/64 inch diameter hole, which is 0.7031 inch in decimal equivalent.

Will the 1/2 inch reduced shank with three flats stay secure in a heavy-duty drill chuck?

Yes, the 1/2 inch reduced shank has three milled flats that prevent slipping in the chuck during high-torque drilling.

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