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⚡ Drill Like a Pro, Last Like a Legend
The STROTON Cobalt Drill Bit Set features 13 precision-engineered M35 high-speed steel bits with 5% pure cobalt content mined in-house, delivering 3X the heat, wear, and chip resistance of standard bits. With a hardened 68 HRC rating and a 135° split point design, these bits excel at drilling stainless steel, cast iron, hardwood, and plastics—offering professional-grade durability and efficiency for demanding industrial and DIY applications.
| Asin | B0BNCKB8DR |
| Best Sellers Rank | #67,133 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #73 in Wood Drill Bit Sets #1,329 in Drill Bits |
| Brand Name | STROTON |
| Customer Reviews | 4.4 4.4 out of 5 stars (957) 4.4 out of 5 stars |
| Cutting Angle String | 135 degrees |
| Finish Types | Hardened |
| Included Components | Cobalt Drill Bits and Case |
| Item Dimensions | 7 x 3 x 0.69 inches |
| Manufacturer | STROTON Ltd |
| Material Type | Cobalt, Cobalt Steel, High Speed Steel (HSS), Stainless Steel |
| Minimum Bore Diameter | 0.06 inches |
| Model | M35-Co5-inch-S |
| Number Of Flutes | 2 |
| Number Of Pieces | 13 |
| Part Number | M35-Co5-inch-S |
| Point Style | point |
| Set Name | STROTON |
| Shank Type | 3-Flat |
| Surface Recommendation | Cutting Stainless Steel, Cast Iron, Copper,Aluminum, Plastic, Hardwood |
| Tool Flute Type | Spiral |
| Unit Count | 1 Count |
| Upc | 630808641718 |
User
Good quality drill bits
I am grateful for purchasing this product. I keep it inside of my drill bag. They work great on several surfaces.
User
Good Bits
Good bit's,they cut well
User
Works Great
Excellent quality
User
Go slow
They are brittle so be careful that's just how cobalt bits are, they won't tolerate bending or biting off more than they can chew. I'm drilling through 4 10.9 hardened steel bolts (seized subframe bolts) I drilled through one so far. Use oil, go slow, push kinda hard, keep it straight and clear the chips and your good. Stop often and add more oil and don't let it get hot.
User
Great set
High quality bits... great price
User
I wouldn't buy again
Not as great as advertised. I tried to drill thru some steel L and the bit would not go through. I use a lot of drilling oil and it didn't matter.
User
Sharp Drill Bits
Small, but handy drill bit plastic case. Drill bits are sharp and do the job. Recommend
User
Small number of bits but for pilot holes its perfect!
Not a huge selection of sizes but for pilot holes? Great! These bits cut like a hot knife through butter. I'm pleased with this purchase.
User
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Buon prodotto
User
Strong Bits
These bits are fantastic. They drill thru stainless steel with ease.
User
bonne qualité
Les forets sont de bonnes qualités.
User
good hobby item
Very durable
User
Brocas
Juego de brocas, se ve bueno, digo se ve porque no las he usado, llegó rapido
Trustpilot
2 weeks ago
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