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This 10-piece 5mm M35 cobalt drill bit set features premium-grade cobalt steel with Rockwell hardness over 67, delivering exceptional durability and wear resistance. The 135° self-centering split point design enables fast, precise drilling with minimal walking, ideal for tough materials like stainless steel and cast iron. Precision ground spiral flutes efficiently clear debris, reducing heat buildup and extending bit life. Packaged in a compact case, this set is perfect for professionals demanding reliability and performance on every job.
| ASIN | B08GJ8C32Y |
| Best Sellers Rank | #72,821 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #146 in Jobber Drill Bits |
| Brand | M MIMHOOY |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 5 Millimeters |
| Date First Available | August 22, 2020 |
| Finish Type | Titanium |
| Item Weight | 4.6 ounces |
| Item model number | KB255 |
| Manufacturer | M MIMHOOY |
| Material | Cobalt Steel, Metal, Cobalt |
| Number of Flutes | 2 |
| Number of Pieces | 10 |
| Package Dimensions | 4.06 x 3.03 x 0.51 inches |
| Point Style | Split Point |
| Set Name | 10-Piece Set |
| Shank Type | Straight |
| Surface Recommendation | Stainless,Metal,Steel |
| Tool Flute Type | Spiral |
| UPC | 779296895583 |
| Unit Count | 10 Count |
D**A
Hard, sharp flexable
Hard, sharp yet flexible enough to resist breaking when pressed. These bits drilled my watch lugs through for shoulder less fat pins.
R**.
The best
So glad I finally found these as I've tried nearly all the other micro metal drill bits Amazon offers and these are the best. Totally worth the cost and so much less frustrating. The others dull quick and break even quicker. These will still break with pressure so be dainty but far better than others I used. The Best there is....so far.
B**F
True to size.
Good quality.
R**K
Excellent purchase
Excellent purchase. Exactly what I needed.
T**Y
They worked
Tap drill for M1.6 hole. Managed to do all holes with one bit.
B**E
Tough Bits for a Tough Job
I am drilling multiple holes in 1" 304 Stainless and these bits have held up quite well. I like having 10 so I can rotate through them as I go. Significantly better that anything hanging on the wall at Home Depot or Lowes and much cheaper. Getting ready to order another 10.
S**H
Does what a drill is supposed to.
Pack of 10 drill bits is appreciated, as 1/16" bits tend to break a lot.
D**N
Good
Drill bits
Trustpilot
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