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⚡ Drill Like a Pro, Last Like a Legend
The amoolo Twist Drill Bit 1/4” 10 Pcs set features M35 cobalt steel with 5% cobalt content, delivering superior heat resistance and durability (Rockwell hardness ≥ 67). Its 135° split point and fully ground spiral design ensure precise, fast drilling with minimal walking and friction. Ideal for hard metals like stainless steel and cast iron, as well as softer materials, this versatile set fits most power drills and comes with a 90-day satisfaction warranty.
























| ASIN | B07XMM4CPY |
| Best Sellers Rank | #16,926 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #76 in Power Drill Bit Sets |
| Brand | amoolo |
| Brand Name | amoolo |
| Customer Reviews | 4.4 out of 5 stars 465 Reviews |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 0.25 Inches |
| Cutting angle string | 135 Degrees |
| Cutting diameter | 0.25 Inches |
| Finish Types | Uncoated |
| Finish type | Uncoated |
| Item Weight | 45 g |
| Manufacturer | amoolo |
| Material | Cobalt Steel |
| Material Type | Cobalt Steel |
| Minimum Bore Diameter | 0.25 Inches |
| Model | AT190214 |
| Number of Pieces | 10 |
| Part Number | AT190214 |
| Shank Type | Round |
| Shank type | Round |
| Surface Recommendation | Glass, Metal, Wood |
| Tool Flute Type | Spiral |
| UPC | 778716244598 |
| Unit Count | 10 Count |
J**C
Good product
Should work great
D**L
Driller 24 trou avec 1 mèche strape stainless 1/16
Coupe très bien resté surpris
P**E
good bits
I go through a lot of bits in a year, these bits are as advertised, I've drilled some pretty hard material, these bits are holding up and keeping their edge
T**N
Not heavy duty
Burnt out kind of easy
G**Y
Durable and Sharp, But Could Last Longer
The Amoolo 1/4" Cobalt Drill Bits are sharp and cut through metal, wood, and plastic with ease. They don’t overheat quickly, and the precision is great. The value for a 10-pack is solid. However, I noticed they wear out faster than expected when drilling through harder metals. For light to medium-duty work, they’re excellent, but for heavy use, they might not last as long. Overall, a good buy for the price!
Trustpilot
2 months ago
2 months ago