Drill America 17/32" x 18" HSS Extra Long Drill Bit vs BOSCH 1-Piece Extra Long Drill Bit 5/16 in x 12 in (Pack of 3)
Overall winner: BOSCH 1-Piece Extra Long Drill Bit 5/16 in x 12 in (Pack of 3)
Key Differences
Bosch (A) is a 5/16 x 12 in extra-length set that emphasizes a speed helix and claims 50% longer life than HSS, and it has a lower listed price and higher average rating. Drill America (B) is a 17/32 x 18 bit with HSS material and a black oxide finish plus a round shank; it targets wear resistance and shank versatility but has slightly lower rating and reports of breakage and accuracy issues
Drill America 17/32" x 18" HSS Extra Long Drill Bit
High-speed steel drill bit with extra length for reach and wear resistance. Noted for sharpness and quality, though durability and straightness receive mixed feedback
Pros
- high-speed steel construction
- extra long reach
- black oxide surface for lubricity
- round shanks compatible with various toolholding systems
Cons
- mixed durability reports
- some users report breakage
- mixed accuracy and straightness feedback
BOSCH 1-Piece Extra Long Drill Bit 5/16 in x 12 in (Pack of 3)
Aircraft black oxide drill bit with speed helix for faster drilling in light-gauge metal, wood, and plastic. Per-pack info; longer life and reduced heat. One customer notes good quality and length enough to drill through walls
Pros
- speed helix design for faster drilling
- lasts longer than high-speed steel
- easier drilling with reduced heat
- per-pack information provided
Cons
- mixed durability feedback from customers
- some reports of breakage during first use
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | BOSCH |
| Durability | Tie |
| Versatility | BOSCH |
| User Reviews | BOSCH |