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🔩 Drill Smarter, Not Harder — Own the Job with GMTOOLS Precision!
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 ensures fast, self-centering drilling with minimal pressure, ideal for stainless steel, wood, plastic, and metal. The set includes 29 sizes from 1/16" to 1/2", all housed in a sturdy metal indexed case for easy organization and durability.
| ASIN | B0BM8VN5JM |
| Best Sellers Rank | #5,414 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #12 in Jobber Drill Bits |
| Brand | GMTOOLS |
| Brand Name | GMTOOLS |
| Customer Reviews | 4.5 out of 5 stars 2,505 Reviews |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 0.5 Inches |
| Finish Type | Gold Oxide |
| Finish Types | Gold Oxide |
| 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 Pieces | 29 |
| Part Number | 29pcs |
| Point Style | cutting point,point |
| Set Name | 29Pcs Cobalt Drill Bit Set |
| Shank Type | Straight |
| Surface Recommendation | Cast Iron,Metal,Plastic,Stainless,Steel,Wood |
| Tool Flute Type | Spiral |
| Unit Count | 1.0 Count |
D**P
Great bits at a fair price.
Sharp and strong in a great case
F**P
Great drill bits
Cut through 3/16" mild steel plate like a hot knife through butter 👌🏽
D**E
Good buy.
Work great.
A**R
Good bits, poor quality box.
Bit’s are sharp and appear to hold an edge; I have only used two Bits out of the index and both worked well. Index box is thin and deforms easily, latch is not trustworthy. Good bits, poor quality box.
E**Y
High quality
Made a great gift
M**N
Butter cutter
Works like a champ. Cuts metal like butter!!
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
N**O
Very damaged box
The bits are pretty decent for the price.. but the box is trash, mine came very damaged…I can’t really use the box, that was pretty disappointing
J**E
Great product
These bit are most excellent and cut very fast. I will rebuy from this seller just for the quality and quick delivery
E**O
EXELENTES
Increíblemente buenas, un excelente filo las e probado en aceros tratados y sin problema perforan, recomendado al 100%
C**S
Buen filo
Si es bastante resistente lo uso para barrenos en aluminio.l
A**R
Très bel ensemble ...
Très beau produit, hâte de l'essayer !!!
K**T
Great bits
So far so good. Broke my original one and bought these. They drill nicely through stainless steel and I've only been using the 1 so far for a bunch of stainless holes.
Trustpilot
4 days ago
1 month ago