toolant Cobalt Drill Bit Set for Metal and steel (Pro), Titanium Aluminum Nitride Coated (TiAlN) with Bullet Point Tip, for Hardened Metal, Stainless Steel, 21pcs 1/16"-1/2"
Engineered for precision and durability, this drill bit set delivers remarkable performance when tackling tough metal materials. The 21-piece collection features robust cobalt bits coated in titanium aluminum nitride, enhancing surface hardness and heat resistance to ensure bits stay sharp and efficient during high-speed drilling. Each bit is equipped with a specifically crafted bullet point tip that self-centers and minimizes wander, guaranteeing accurate and consistent holes in projects ranging from galvanized pipe to aluminum alloy and cast iron.Designed for demanding heavy-duty scenarios, this set is a reliable tool for both professionals and DIY enthusiasts seeking superior results.
Backed by a 90-day warranty, users can Trust in the longevity and effectiveness of this innovative drill bit set. The inclusion of multiple sizes ensures versatility, catering to a wide array of drilling needs without the hassle of purchasing individual bits. Whether you're working on automotive repairs, home renovation, or industrial tasks, this collection offers the speed, accuracy, and durability needed to complete projects with confidence. The compact, lightweight design also makes it easy to store and transport, ensuring your toolbox is always equipped for the job at hand.
Pros and Cons
Pros:
- 21-piece set with multiple sizes for versatile drilling needs
- Titanium aluminum nitride coating for superior hardness and heat resistance
- Sharp, self-centering bullet point tips for precise and accurate holes
- Excellent performance on metals including galvanized pipe, aluminum, and cast iron
- 90-day warranty for added peace of mind
Cons:
- Not ideal for finer woodworking or soft materials
- Higher cost compared to standard high-speed steel bits
Item | Details |
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Package Dimensions | 7.05 x 4.02 x 1.93 inches; 1.08 Pounds |
Bit Types | Cobalt, Titanium Aluminum Nitride Coated |
TA01062019 | |
Warranty | 90 Days |
amoolo Cobalt Drill Bit Set (1/16"-1/4",13 Pcs),M35 HSS Metal Drill Bits for Steel,Stainless Steel,Hard Metal,Cast iron,plastic and Wood
The Amoolo Cobalt Drill Bit Collection is a versatile and reliable set designed for a wide range of metalworking projects. With 13 commonly-used sizes, from 1/16" to 1/4", this collection is perfect for both professional workshops and DIY enthusiasts. The inclusion of M35 cobalt high-speed steel ensures exceptional durability and wear resistance, making it ideal for tough materials like stainless steel, cast iron, and aluminum. Each bit features a 135° split point and a straight round shank, which prevents walking and promotes precise, faster drilling. The fully ground spiral flutes efficiently clear debris, reducing friction and heat for a smoother, cooler drilling experience. Comes with a portable plastic case for easy storage and organization,ensuring your bits are always ready to use.
Whether you're tackling hard metals or softer materials like plastic and wood, this set delivers consistent performance. The 135° split point eliminates the need for a center punch, streamlining the drilling process. While drilling harder materials, itS crucial to pay attention to speed, pressure, and heat control to maximize results. Amoolo stands behind its产品质量, offering a 90-day hassle-free warranty for customer satisfaction. This collection is a must-have for any toolbox, offering precision, efficiency, and long-lasting performance for all your drilling needs.
Pros: High durability with M35 cobalt steel, 13 versatile sizes, precise 135° split point, efficient spiral flutes, compact storage case, 90-day warranty.
Cons: Primarily suited for metal drilling, requires proper technique for best results on hard materials.
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M35 Cobalt High-Speed Steel | 1/16" - 1/4" | 135° Split Point,Spiral Flutes |
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 stretching back to 1990, this trusted tool set reflects a commitment to quality rooted in decades of experience. Born from the vision of Mr.stroton, a man known for his unwavering integrity, the company name honors that foundation. Crafted for the rigorous demands of serious DIY and professional projects, these bits shine when tackling tough materials like stainless steel, cast iron, and dense hardwood. The split point design and meticulous full grinding process ensure exceptional gripping power, making short work of stubborn bolts and studs while reducing frustrating slip.
You feel the difference instantly: the 5% premium cobalt steel core (hardened to 68 HRC) delivers remarkable speed and longevity. Despite the initial investment, its 3x efficiency translates to fewer passes and less fatigue. Durability is paramount; these sharp edges resist wear and chip, cutting through metal like a hot knife through butter rather than slowly grinding down. Packed with 13 jobber length bits in precise 1/64-inch increments from 1/16" to 1/4", it covers a vast range of tasks, ensuring you have the right size ready when you need it.
Pros and Cons
- Premium 5% Cobalt Steel: Offers superior heat resistance, wear, and chip resistance for longevity.
- High Efficiency: Capable of drilling 3x faster, saving time and energy.
- Split Point Design: Enhances grip and starts holes reliably, even in tough materials.
- Sharp Edge: Cuts effectively through hardened metals with less effort than standard bits.
- Comprehensive Set: 13 precise drill bit sizes (1/16" to 1/4") cover most common tasks.
- Authenticity: Made with verified cobalt steel from the manufacturer's own mine.
- Cost-Effective per Hole: High initial price pays off through faster drilling and longer life.
- Higher Price point: The cobalt steel construction makes it more expensive upfront than steel bits.
- No Center punch Recommended: Best performance achieved with a center punch for starting holes.
- Precision Required: smaller bit sizes (1/16", 5/64") are less forgiving for beginners.
Piece Count | 13 Pieces |
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Sizes Range | 1/16" to 1/4" |
Material | Premium True 5% Cobalt Steel |
Hardness | 68 HRC |
Dim: | L x W x H: 7 x 3 x 0.69 inches |
YOUGFIN Cobalt Drill Bit Set for hardened Steel- 29 Pcs M35 Metal Drill Bits 1/16 inch-1/2 inch, twist Jobber Drill Bit for Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage case
The YOUGFIN Cobalt Drill Bit Set truly excels in tackling a range of materials with remarkable precision. Its 135° split point design ensures a quicker, more accurate start by increasing the contact point on the cutting edge, making it especially effective for hard metals like stainless steel and cast iron. The spiral grooves on the twist shanks efficiently remove metal shavings, preventing clogging and prolonging bit life. Whether you're working on tough alloys or softer materials like wood and duropластs, this set covers all bases, with 29 versatile sizes included in a convenient metal case.
Using these bits feels reassuringly sturdy, thanks to the high-quality M35 HSS+5% cobalt blend that enhances durability and performance.A little preventative oiling during operation keeps the cutting edge cool, and a simple guide like placing wood underneath can prevent accidental dulling from striking hard surfaces. Remember to maintain perpendicularity for the best results—this isn’t just advice, it’s a practical tip to ensure smooth, break-free drilling every time.
Pros and Cons
- Versatile - Suitable for both hard and soft materials
- Comprehensive set - 29 sizes included for various projects
- Efficient cleaning - Spiral grooves clear debris during drilling
- Durable - Cobalt blend extends bit life
- Organized storage - Metal case and size index holder
- Cons - May require oiling for extended use
- cons - Smaller sizes might wear faster on tough materials
Material Type | Submission |
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Hard Metals | Stainless Steel, Cast Iron, High-Temp Alloy |
Soft Materials | Wood, Duroplasts |
Set Size | 29 Pieces (1/16" to 1/2") |
COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16"-3/8"
Experience the difference with this high-performance drill bit set, crafted for precision and reliability in various projects. The 15-piece collection features M35 cobalt high-speed steel, delivering exceptional durability and extended tool life, especially when tackling hardened materials like stainless steel and titanium. Each bit boasts a 135° split point,gold oxide finish,and round straight shanks,ensuring smooth chip clearance and minimized walking for accurate drilling. The set’s comprehensive range of sizes, neatly stored in a plastic case, makes it a versatile staple for both professional trades and DIY enthusiasts.
Whether you're working on intricate automotive repairs or crafting precision models, this set adapts to your needs with its ability to handle everything from hard metals to softer woods. The precision grinding and twist design enhance performance, while the cobalt composition resist wear, ensuring your bits remain sharp and effective over time. Plus,with a satisfaction guarantee backing your purchase,you can invest with confidence,knowing you have a quality tool that prioritizes your success.
Pros:
- High-quality cobalt steel for durability
- Effective on both hard and soft materials
- precision split point minimizes walking
- Versatile 15-piece set for diverse projects
- Ergonomic design for agreeable use
Cons:
- Limited storage capacity for very large workshops
- higher cost compared to standard steel bits
Piece Count | 15 |
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Material | M35 Cobalt HSS |
Finish | Gold oxide |
Size Range | 1/16" to 3/8" |
Experience the Difference

COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel twist Jobber Length for Hardened Metal, Stainless steel, Cast Iron and Wood Plastic with Indexed Storage case, 1/16"-3/8"
High Quality Material: 5% Cobalt high Speed Steel M35 provide extended tool life compared to ordinary drill bits. Durable and strong.