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Silver metal drill bit with 3-flat shank and split point

Drill America

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

SKU CH-VE8Y-Y0F1X

One-inch high-speed steel drill bit with a 1/2-inch reduced shank and three-flat grip for secure chucking

  • Product typeDrill Accessories
  • Heavy-duty split point starts holes cleanly on 1.0000 diameter
  • 3-flat shank locks securely in 1/2" chuck without slipping
  • High-speed steel construction withstands repeated drilling cycles
  • Reduced shank design fits standard 1/2" drill chucks for 1" holes

1-inch HSS drill bit for heavy-duty drilling

The Drill America KFD (Killer Force) drill bit uses high-speed steel construction for demanding applications. It features a 1-inch cutting diameter with a reduced 1/2-inch shank to fit standard chucks. The heavy-duty split point design improves penetration and reduces walking on hard surfaces.

Practical limits of the 1/2-inch shank interface

The reduced 1/2-inch shank allows use in common drill chucks but limits maximum torque transmission compared to larger shank sizes. The 3-flat shank design prevents slipping in keyless chucks under high load. Overall length of 6 inches and flute length of 3 inches define the maximum reach and chip clearance for deep holes.

How it compares

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

Price $17.99
Cheaper than about 68% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDrill America
Product typeDrill Accessories

Questions about this item

Should I choose the 1.0000 inch size or a smaller KFD bit for a half-inch drill?

The 1.0000 inch bit requires a half-inch chuck; pick a smaller diameter if your chuck capacity is lower.

What does the 1.0000 inch diameter mean when the bit is in my drill press?

It cuts a one-inch hole; the three-flat shank prevents slipping in the chuck and the split point starts on contact.

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