Cobalt drill Bit Set (1/16-1/4 Inch, 13PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood
With a legacy dating back to 1990, this company was founded by Mr. Stroton, a man renowned for his integrity, which inspired the name STROTON. Blending tradition with innovation, the 13-piece drill bit set is engineered for the toughest tasks, delivering precision and power for cutting stainless steel, steel plates, and even hardwood. The split point design and fully ground process ensure a clean cut, while the premium 5% cobalt steel core provides extraordinary heat and wear resistance, extending tool life up to three times longer than standard bits.
Experience the difference in efficiency with these high-speed steel drill bits.They cut three times faster, reducing project time without sacrificing quality. Despite the initial investment, the cost per hole is significantly lower due to their durability and performance. Each bit, ranging from 1/16 to 1/4 inch, is designed to tackle stubborn materials with ease, making it an indispensable tool for both industrial and professional use.
Pros and Cons
- Extended tool life with premium cobalt steel
- Efficient cutting with 3X faster speed
- Highly durable for heavy-duty applications
- Thorough 13-piece set for various needs
- Split point design ensures precise drilling
- False cobalt content claims by competitors
- Higher upfront cost compared to standard bits
- Large diameter range may exceed some project requirements
| Specification | Details |
|---|---|
| Dimensions | 7 x 3 x 0.69 inches |
| Weight | 4.94 ounces |
| Material | 5% Cobalt High Speed Steel |
| Set Includes | 13 pieces (1/16" to 1/4") |
Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16"-1/4"
The M35 cobalt drill bit set is a versatile and efficient solution for a wide range of drilling needs. Designed for durability and sharpness, these bits handle everything from stainless steel and iron castings to softer metals, plastics, and wood. The 135-degree point tip and twist design ensure faster cutting, while self-centering technology prevents walk-off, making even complex projects smoother. With a comprehensive set of 13 sizes, users can find the perfect fit for their tasks, all neatly organized in a convenient storage case with size indexes.
Complementing the M35 cobalt bits, the HSS drill bit set delivers excellent performance on hardened steel and other tough materials. Each of the 13 bits is hardened and polished for improved sharpness and precise cutting,reducing the need for frequent sharpening.Whether you're a professional or a DIY enthusiast, this kit offers long-term value and ease of use. The compact packaging and clear organization make it easy to keep track of the bits, ensuring you always have the right tool at hand.
- 13 versatile drill bits for various materials
- Durable cobalt and HSS bits for long-term use
- Efficient cutting with self-centering design
- Compact and easy-to-store packaging with size indexes
Cons:
- Primarily suited for softer metals and non-ferrous materials
- Storage case may be too small for larger workspaces
| Feature | Details |
|---|---|
| Bit Types | M35 Cobalt & HSS |
| Size Range | 1/16" to 1/4" |
| Packaging | compact storage case |
BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel,Cast Iron,Titanium,and Light-Gauge Metal
Engineered for cutting through the toughest materials with ease, these upgrade M42 Cobalt drill bits stand out for their exceptional durability and performance. The composition of 8% cobalt in the alloy core results in a tool that outlasts standard bits by a remarkable 10x, making it a wise investment for both professionals and DIY enthusiasts. The high-heat resistant design ensures these bits maintain their integrity during intense drilling sessions, while the thick web-helix design offers unmatched stability, reducing the risk of bit wander. Whether you're tackling. stainless steel, cast iron, or titanium, these bits penetrate with precision, thanks to the surface-hardened tip that effortlessly navigates abrasive materials.
the user experience is further enhanced by the variety of sizes available, catering to a range of applications from delicate 1/16 inch to robust 1/2 inch drilling. The inclusion of a split point for smaller bits and a three-flat shank for larger sizes ensures superior grip and control, minimizing slipping and maximizing efficiency. Constructed as jobber-length bits,they offer the perfect balance between reach and maneuverability,making them ideal for a multitude of projects.With these drill bits in your toolkit, you can expect longer service life, fewer replacements, and a quieter, more consistent drilling process.
Pros and Cons
- Extended durability – 10x longer life compared to standard bits.
- High-heat resistance – ideal for intense and prolonged drilling tasks.
- Improved stability – thick web-helix design ensures bit stays on target.
- Enhanced penetration – surface-hardened tip handles tough materials.
- Higher cost – cobalt bits are generally more expensive than standard options.
- Specificity – best suited for metalworking tasks and not for wood or soft materials.
- Size limitations – only available in a narrow range of sizes included in the set.
| Feature | 规格 |
|---|---|
| Material | M42 Cobalt alloy |
| Life expectancy | 10x longer than standard bits |
| Heat Resistance | High-temperature applications |
| Bit Design | Thick web-helix |
1/4" M35 Cobalt HSS Jobber Length Twist Drill Bit with Straight Shank,Heavy Duty, Pack of 10 PCS, Drilling for Cast Iron, Heat-Treated Steel, Stainless Steel and Other Hard Materials
Experience precision and efficiency with this versatile drill bit kit, designed for tackling a wide range of materials including hard metals like stainless steel and cast iron. The 135°Rapid-Cut points are self-centering, ensuring quick penetration with minimal pressure, so you can work with accuracy and confidence.The straight shank provides a firm grip, making it compatible with standard drill chucks and collet chucks for added convenience. Whether you're working on a professional project or a DIY task, these bits deliver reliable performance and durability.
Portability is key with this drill bit set, as each bit is neatly housed in a plastic case, making storage and transport effortless. The compact design means you can have your essential drilling tools ready to go at a moment's notice, without sacrificing quality or functionality. suited for both professionals and hobbyists, this kit combines user-friendly features with robust performance, making it an indispensable addition to any toolkit.
Pros
- Accurate and self-centering Quick-Cut points
- High heat resistance for cutting hard metals
- Compatible with standard drill chucks and collet chucks
- Multi-purpose use for various materials
- Easy to carry with a plastic storage case
Cons
- Package dimensions might be too large for very tight storage spaces
- Primarily designed for drilling, not cutting in other applications
| Item model number | HSSM35 |
|---|---|
| Date First Available | May 21, 2018 |
| Package Dimensions | 5.79 x 2.09 x 0.94 inches |
| Weight | 8.47 ounces |
12pcs 1/4" Cobalt Drill Bits, M35 Drill Bits for Metal, Stainless Steel, Cast Iron, Wood, Plastic, Fully Ground from Pro edge Technology
Experience the perfect blend of performance and affordability with our Pro Edge Technology cobalt drill bit set. Engineered for professionals and hobbyists alike, these 12-piece M35 HSS cobalt bits are crafted with a 5% cobalt content, delivering exceptional heat resistance and durability. Designed for precision, the 135-degree split point tip enhances self-centering and reduces friction, ensuring smooth cuts even when tackling tough metals like stainless steel and alloy steel. Our factory’s expert R&D team guarantees high dimensional accuracy and reliable performance, making these bits a trusted choice for both home DIY enthusiasts and demanding industrial applications.
Key Features:
- Extended durability: M35 cobalt material with 5% cobalt ensures exceptional wear resistance and high-temperature performance.
- Precision drilling: 135-degree split point tip for accurate centering and reduced切削 pressure, minimizing breakout and improving accuracy.
- Smooth operation: Low-friction design reduces heat and friction, resulting in cleaner cuts and less wear.
- Cost-effective: 12-piece set at a lower price per bit than individual market rates.
Limitations:
- precision level: While highly accurate, they might not meet the ultra-high-precision requirements of specialized aerospace applications.
- Hardness trade-off: Cobalt content means slightly lower impact toughness compared to all-carbide bits for specific heavy-duty tasks.
- Specialized use: Best suited for general industrial and home use; not optimized for extremely soft materials or low-speed operations.
| material | M35 Cobalt HSS (5% Cobalt) |
|---|---|
| bit Set Size | 12-Piece Set |
| Appl. Compatibility | Stainless steel, alloy steel, general industrial use |
| End Type | Straight Round Shank |
| Manufacturer | PRO PRECISION CUTTING TOOLS, LLC |
| Product | Key Features | Pros | Cons |
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M35 Cobalt Drill Bit Set |
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Embody Excellence
12pcs 1/4" Cobalt Drill Bits, M35 Drill Bits for Metal, Stainless Steel, Cast Iron, Wood, Plastic, Fully Ground from pro Edge Technology
High dimensional accuracy with 5% cobalt for durable cutting on hard materials.
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- Cons: