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🛠️ Drill like a pro, finish like a boss!
The GMTOOLS 29Pcs Cobalt Drill Bit Set features high-speed steel bits with a corrosion-resistant black and gold oxide finish. Its 135° split point design enables fast, precise drilling with minimal walking across a wide size range (1/16" to 1/2"). Ideal for stainless steel, wood, plastic, and more, the set comes in a sturdy metal indexed case for organized storage and easy transport. Trusted by professionals and DIYers alike, it offers durability, versatility, and a satisfaction guarantee.









| ASIN | B0BM8VN5JM |
| Best Sellers Rank | #10,122 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #26 in Jobber Drill Bits |
| Brand | GMTOOLS |
| Brand Name | GMTOOLS |
| Customer Reviews | 4.4 out of 5 stars 434 Reviews |
| Cutting Angle String | 135 degrees |
| Cutting Diameter | 0.5 inches |
| Finish Type | Gold |
| Finish Types | Gold |
| Included Components | drill bit |
| Manufacturer | GMTOOLS |
| Material | Carbide, Cobalt, High Speed Steel (HSS), Stainless Steel |
| Material Type | Carbide, Cobalt, High Speed Steel (HSS), Stainless Steel |
| Model | 29pcs |
| Number of Flutes | 2 |
| Number of Packs | 1 |
| Number of Pieces | 29 |
| Part Number | 29pcs |
| Point Style | cutting point,point |
| Set Name | 29Pcs Cobalt Drill Bit Set |
| Shank Type | Straight |
| Surface Recommendation | Wood |
| Tool Flute Type | Spiral |
| Unit Count | 1 Count |
L**E
decent product so far
working well for the few things I've used them for so far. cut quickly and cleanly. nice metal box to keep them in and organized as well.
M**A
Good twisted drill bits
Better quality than the typical home use bits. Cut good and relatively inexpensive.
L**K
Excellent
Finally drill bits that will go through metal
M**E
Pretty solid an durable
Well i broke one bit, but for the money they're pretty solid considering im going through cold rolled steel thats a 1/4" thick. Also, if youre going through any solid metal such as steel, dip the bits in oil at the tip to help with the heat
W**S
GOOD
THESE WORK OKAY FOR THE MONEY
C**Y
Missing a part
Was missing smallest bit . But overall my husband was happy enough with the purchase.wasnt packaged well enough. The bit was the smallest and was missing
R**Z
Drill bits
Nice kit and sharp good deal for the money.
D**K
They get the job done right
Will drill through the hard stuff
R**R
Buen producto
Buen producto
A**R
Très bel ensemble ...
Très beau produit, hâte de l'essayer !!!
R**N
Good price
Cant say have not use but they came qwick
S**N
Well made product
These seem to be well made and are holding their sharpness well.
C**N
Sharp af, but could use a 3 surface shank
I bought these for work where I use a cordless hand drill to make holes in steel and aluminum up to 5/16” thick. I’m not sure if they would do better in a keyed chuck but these bits have a round shank and my cordless drill’s keyless chuck can’t get a good enough grip to hold when they first bite into the steel, or when they are about to punch through. Also: the sizes aren’t as convenient to read as what I hoped. The front row is super easy, but sizes on the back two are blocked by the row of bits in front. On the plus side: the bits are sharp and seem durable enough so far. As they break they will be replaced with bits that have a 3 surface shank
Trustpilot
2 months ago
2 weeks ago