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🔩 Drill Smarter, Not Harder — Power Through Metals Like a Pro!
The STROTON Metric M42 8% Cobalt Twist Drill Bit set includes 13 precision bits ranging from 1.5mm to 6.5mm, designed for superior heat and wear resistance. Featuring a 3-step cutting design and premium cobalt alloy, these bits deliver faster drilling speeds and exceptional durability across stainless steel, hard metals, and more. Ideal for professionals seeking efficiency and longevity in their toolkit.








| ASIN | B07MZQFD3S |
| ASIN | B07MZQFD3S |
| Best Sellers Rank | #3,650 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #93 in Power Drill Bit Sets |
| Brand Name | STROTON |
| Customer Reviews | 4.4 4.4 out of 5 stars (4,511) |
| Customer reviews | 4.4 4.4 out of 5 stars (4,511) |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 6.5 Millimeters |
| Date First Available | 1 January 2024 |
| Finish Types | Hardened |
| Is Discontinued By Manufacturer | No |
| Item Dimensions | 17.9 x 14.5 x 3.8 centimeters |
| Item Weight | 454 g |
| Item model number | G3-LIHI-G2BS |
| Manufacturer | STROTON |
| Manufacturer | STROTON |
| Material Type | Cobalt |
| Model | G3-LIHI-G2BS |
| Number of Flutes | 2 |
| Number of Pieces | 13 |
| Part Number | G3-LIHI-G2BS |
| Point Style | Split Point |
| Product Dimensions | 17.9 x 14.5 x 3.8 cm; 453.59 g |
| Set Name | 1.5-6.5mm (13PCS) |
| Shank Type | Straight |
| Surface Recommendation | Metal |
| Tool Flute Type | Spiral |
| UPC | 743829466304 |
| Unit Count | 13 Count |
J**I
Good quality
Very good quality
B**E
Very good drill bits
Great drill bits. They cut through stainless steel very nicely if you take your time and use a cutting fluid to keep them cool. Had a minor issue with one of the bits snapping (my fault) but the seller took care of the issue immediately and was very responsive.
C**S
Very high quality drills
I am a metal worker for 23 years, hard to find any better cobalt drills. Highly recommended.
K**I
Las compré para inoxidables y se soporta las cargas como todo con el uso prolongado van perdiendo filo pero dura bastante para su precio
G**.
Punte di ottima qualità, solo una a distanza di tempo si è spezzata. Ho scritto al venditore, il quale ha provveduto tempestivamente a inviarmi il ricambio. Venditore serio e professionale.
J**A
Gostei As brocas são muito boas
B**K
Strong drill bits and last for a long time
H**T
Very good M42 grill bit. I used for 316 stein steel. It working well.
Trustpilot
3 weeks ago
1 month ago