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Silver 43/64 inch HSS drill bit with 1/2 inch shank and three flats

Drill America

Drill America 43/64in HSS 1/2in Shank KFD Drill Bit 3-Flat Shank

SKU CH-ZCRK-42YSH

43/64 inch high-speed steel drill bit with a 1/2 inch reduced shank and three-flat grip for heavy-duty drilling

  • Product typeDrill Accessories
  • 43/64 inch drill size covers large-hole applications
  • High-speed steel construction resists heat during heavy cutting
  • 1/2 inch reduced shank fits standard drill chucks
  • Three-flat shank prevents bit slippage under torque

Drill America 43/64in HSS 1/2in Shank KFD Drill Bit

This Drill America drill bit is a high-speed steel accessory built for heavy-duty drilling tasks. It features a 43/64 inch diameter with a decimal equivalent of .6719 and a reduced 1/2 inch shank. The overall length measures 6 inches with a 3 inch flute length.

Killer Force split point 3-flat shank drill bit

The 3-flat shank design prevents slipping in the chuck while the Killer Force split point promotes accurate starts without walking. Buyers needing a different diameter or a full-size shank for larger chucks should select another bit. Those requiring carbide tips or cobalt alloy for harder materials will need a different tool.

How it compares

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

Price $11.99
Cheaper than about 84% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDrill America
Product typeDrill Accessories

Questions about this item

How do I install the 1/2in shank on my drill, and what step is often missed?

Insert the 1/2in shank fully into the chuck and tighten each flat against a jaw so the 3-flat design prevents spin under load.

What maintenance or replacement will the 43/64in HSS bit need later?

Resharpen the heavy-duty split point when cutting slows, and replace the bit if the flutes wear past the 3in flute length or the shank flats deform.

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