DEWALT Titanium Nitride Drill Bit Set, 21-Piece vs 3/16" x 6" cobalt aircraft extension drill bit (pack of 12)
Overall winner: DEWALT Titanium Nitride Drill Bit Set, 21-Piece
Key Differences
DEWALT A is a 21-piece titanium nitride set with pilot point and no-spin shanks and sits in a more affordable price tier; Drill America B is a 12-piece cobalt set focused on long bits (3/16" x 6") with a 135° split point for reduced walking. Choose DEWALT if you want a larger, more versatile household set with high-rated user feedback; choose Drill America if you specifically need cobalt long-reach bits for tougher materials
DEWALT Titanium Nitride Drill Bit Set, 21-Piece
Titanium nitride coated drill bit set with pilot point for cleaner holes and longer life. Includes sizes from 1/16-inch to 1/2-inch in a plastic case. Customers note sharp starter points and solid build quality
Pros
- Titanium nitride coating for longer life
- Pilot point for cleaner holes
- Starts on contact for easier drilling
- Tapered web to reduce breaking
Cons
- Some customers report breaking multiple bits
3/16" x 6" cobalt aircraft extension drill bit (pack of 12)
Cobalt drill bit with 3/16" diameter and 6" length, designed for tough materials. 135 split point helps prevent walking; round shanks fit various tool holders. Customers report sharp cuts and good value, with mixed durability reactions
Pros
- 135 split point prevents walking
- round shanks for versatile tool holding
- sharp, smooth cutting performance
- suitable for tough materials
Cons
- mixed durability feedback
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | DEWALT |
| Durability | Tie |
| Versatility | DEWALT |
| User Reviews | DEWALT |