Drill America
Drill America 45/64 in HSS 1/2 in Shank KFD Drill Bit 7031
A 45/64 inch HSS drill bit with a 1/2 inch shank, three-flat design and split point for heavy-duty drilling
- TypeDrill Accessories
- Heavy-duty split point starts holes cleanly without walking
- 3-flat shank prevents slippage in the chuck
- High-speed steel construction resists heat and wear
- Reduced 1/2-inch shank fits standard drill chucks
Drill bit for heavy-duty drilling
The Drill America KFD drill bit uses high-speed steel and a 3-flat shank to resist slipping in a 1/2 inch chuck. Its split-point tip starts holes cleanly without a centre punch. The reduced shank allows the 45/64 inch cutter to fit standard large-capacity drill presses and heavy-duty hand drills.
Shank size decides compatibility
A 1/2 inch shank will not fit 3/8 inch or smaller chucks, so the bit is unsuitable for compact cordless drills with limited chuck capacity. Builders who need a smaller shank for lighter machines should choose a different bit. The 3-flat design also prevents rotation in keyless chucks under high torque.
Highlights
- Heavy-duty split point starts holes cleanly without walking
- 3-flat shank prevents slippage in the chuck
- High-speed steel construction resists heat and wear
- Reduced 1/2-inch shank fits standard drill chucks
Specifications
| Brand | Drill America |
|---|---|
| Type | Drill Accessories |
Questions about this item
What hole size will the 45/64 inch bit actually produce in steel?
The bit is ground to 45/64 inch diameter, so it cuts a hole of that exact size in steel when used at the correct speed and feed.
How does the 1/2 inch reduced shank limit the bit in a standard drill chuck?
The 1/2 inch shank fits any chuck that accepts 1/2 inch capacity, but the reduced neck means the chuck grips a smaller diameter than the cutting portion.
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