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The DHCO23 is a premium 3/32-inch cobalt steel jobber length drill bit set, featuring 5% cobalt for enhanced heat resistance and durability. Designed for precision drilling in hard metals including stainless steel, these bits maintain sharpness through repeated sharpening. The pack includes 12 bits with a convenient case, making it a must-have for professionals demanding reliability and performance.










| ASIN | B07CRRYD87 |
| Best Sellers Rank | #2,535 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Jobber Drill Bits |
| Brand | Drill Hulk |
| Brand Name | Drill Hulk |
| Customer Reviews | 4.6 out of 5 stars 2,795 Reviews |
| Cutting Angle String | 118 Degrees |
| Cutting Diameter | 0.09 Inches |
| Finish Type | Gold Oxide |
| Finish Types | Gold Oxide |
| Item Weight | 0.86 Ounces |
| Manufacturer | Drill Hulk Ltd |
| Material | Cobalt Steel |
| Material Type | Cobalt Steel |
| Model | DHCO23 |
| Number of Flutes | 2 |
| Shank Type | Straight |
| Surface Recommendation | Stainless Steel,Metal,Steel |
| Tool Flute Type | Straight |
| UPC | 612508286987 |
| Unit Count | 12.0 Count |
C**S
Quality bits
Great bits. Strong and sharp, reasonable deal. Learning how to drill different metals is just as important as buying good drill bits. These are good bits if they are used properly. Educate yourself on technique and these bits will last a long time.
W**N
Quality bits
Good quality bits. Used on mild steel and aluminum. Very sharp and worked well on higher speeds.
M**Z
Refill for the bucket of broken 1/4 bits
I break 1/4 drill bits all the time when drilling steel (auto fabrication). this is an inexpensive approach to ensure I have a bit at the ready when I break one in the middle of my project. Great product at a great price
M**3
they look good, but I have not used one yet.
look fine have not used one yet
F**K
Works as should
Great value and quality item
A**R
As expected.
Used in hobby shop as the pilot for a threading tap. Size appears to be just fine and drills as expected.
J**S
Very Happy With These Drill Bits
Having gone through many cheap Chinese made drill bits I wasn't expecting much. I had to re-deck my car hauler trailer which would require drilling 100 or so holes in 1/8" and 3/16" steel. So I bought a 12 pack thinking I might get 10 holes per bit, I have used the cheaper Harbor Freight bits and am lucky to get 4 or 5 holes from those bits. After 80 holes on my first of these bits it was still going strong and I was impressed. I finally started not letting the bit cool between holes and running it fast instead of slow with pressure and finally broke a bit at the 85th or 6th hole. These bits are like the old American or German bits, made to last. I highly recommend these.
M**Y
Very good quality bits
Would purchase again
Trustpilot
2 weeks ago
2 days ago