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🔧 Drill Like a Pro, Finish Like a Boss!
The GMTOOLS 21-piece cobalt drill bit set features industrial-grade M35 high-speed steel with 5% cobalt for enhanced wear resistance. Its 135° split point tip delivers fast, precise penetration with reduced walking, while the twist design efficiently clears chips. Suitable for drilling hardened metals, stainless steel, cast iron, plastic, and wood, this set includes a comprehensive size range housed in a sturdy metal indexed case for professional-grade organization and portability.
| ASIN | B0BWXGCJTM |
| Best Sellers Rank | #9,541 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #22 in Jobber Drill Bits |
| Brand | GMTOOLS |
| Brand Name | GMTOOLS |
| Customer Reviews | 4.4 out of 5 stars 80 Reviews |
| Cutting Angle String | 135 degrees |
| Cutting Diameter | 0.38 inches |
| Finish Type | Titanium |
| Finish Types | Titanium |
| Included Components | drill bit |
| Manufacturer | GMTOOLS |
| Material | Cobalt Steel |
| Material Type | Cobalt Steel |
| Minimum Bore Diameter | 0.06 inches |
| Number of Flutes | 2 |
| Number of Packs | 1 |
| Number of Pieces | 21 |
| Part Number | 1 |
| Point Style | Split Point |
| Set Name | 21Pcs Cobalt Drill Bits Set |
| Shank Type | Round |
| Surface Recommendation | Cast Iron,Metal,Plastic,Stainless,Steel,Wood |
| Tool Flute Type | Spiral |
| Unit Count | 1 Count |
E**Y
High quality
Made a great gift
J**S
Great and affordable
Good price on this little set. Work really well and the storage case is nice. Used on metal and drilled through easily.
D**K
Did the job
Good for wood not pressed for metal
S**S
Works well on metal.
I'm converting a van to a camping van. Drilling through the walls with my old bits was not fun. These new bits made the job so much easier.
M**N
great value
great product
S**N
Drill bits
Wired great
D**Y
Drill bits
These bits seem to be sturdy and sharp.
R**N
Good Value
Decent set, nice metal container
G**R
Forests Métal
WOW! Ca fonctionne super bien, avec un peu d'huile de coupe. C,est merveilleux.
S**Y
Drill Bits
Great drill bits. Happy with the purchase
L**U
High quality product
Very impressive with quality of the product. Drilled a lot of holes on the struts for a week already and they’re still very sharp.
Y**.
nul
fragile
Trustpilot
3 weeks ago
1 week ago