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๐Ÿ”ง ultimate performance: drillforce cobalt straight drilling aluminum - the perfect solution! logo

๐Ÿ”ง Ultimate Performance: DRILLFORCE COBALT Straight Drilling Aluminum - The Perfect Solution! Review

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Average

Revainrating 3.5 out of 5ย ย 
Ratingย 
3.7
๐Ÿชš Industrial Drill Bits, ๐Ÿ”ช Cutting Tools

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Description of ๐Ÿ”ง Ultimate Performance: DRILLFORCE COBALT Straight Drilling Aluminum - The Perfect Solution!

Cobalt drill bits: Classic 5% Cobalt M35 High Speed Steel construction with Titanium Coating for proven capability and durability. Hardness: 5% Cobalt drill bitsโ€™ Rock wall Hardness Level HRC 65-66. Package & Size: 10 Pieces drill bits in a plastic bag, Diameter 1/4 inch, Total length 4 inch, Working length 2-3/4 inch. Professional & DIY Use: For use on metal, wood & plastics, Stainless Steel, Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles. 135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

Reviews

Global ratings 3
  • 5
    2
  • 4
    0
  • 3
    0
  • 2
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  • 1
    1

Type of review

Revainrating 5 out of 5

Satisfied. Good quality holes and sharp

I use them when thermoforming plastic into carbon fiber. They work quite well and are good performers for the price. Would buy again.

Pros
  • Best
Cons
  • Ugly packaging

Revainrating 1 out of 5

Defect, too soft.

Will not drill through bare brass. I buy similar (think the same) from another seller and they work great even in steel, they won't even drill through plain brass.

Pros
  • Elegant design
Cons
  • Long delivery time

Revainrating 5 out of 5

Better quality than I expected

These are good quality drill bits, properly hardened. I have drilled many holes with them and they have exceeded all expectations for a drill in this price range. Originally I only wanted to use them for aluminum, but they also drill perfectly in steel.

Pros
  • Quality construction
Cons
  • Requires socket