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- Cobalt Drill Bit Set - 15Pcs M35 HSS Twist Dr...
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Item #:
193175640
Cobalt Drill Bit Set - 15Pcs M35 HSS Twist Drill Bits, Straight Shank, Metal Drills bit Set for Hardened Metal, Stainless Steel, Cast Iron, Wood and
87% of respondents would recommend this to a friend
Item #:
193175640
KES 3908
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Premium High Speed Steel M35 offers superior heat resistance and greater hardness, perfect for tackling tough materials with precision and efficiency.
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What Stands Out
Versatile Application
Designed for drilling into hardened metals, stainless steel, cast iron, wood, and plastic, offering users flexibility and convenience across various materials.
Durable Cobalt Composition
Made from M35 HSS, these drill bits provide exceptional strength and longevity, ensuring they maintain their sharpness and performance even on the toughest materials.
Comprehensive Storage
Includes an organized index storage case for easy access and transport, keeping your drill bits secure and making it simple to find the right size when needed.
Product Details
| Brand Name | SEDIANAS |
| Model | 15 PCS Cobalt Drill Bit Set |
| Set Name | 15pcs |
| Unit Count | 15.0 Count |
| Manufacturer | SEDIANAS |
| Part Number | 15 PCS Cobalt Drill Bit Set |
| Number of Pieces | 15 |
| Included Components | 1/16x2, 5/64x2, 3/32x2, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 1/4, 5/16, 3/8 |
| Cutting Diameter | 0.5 Inches (1.3 cm) |
| Material Type | High Speed Steel (HSS) |
| Finish Types | Gold Oxide |
| Shank Type | Round |
| Surface Recommendation | amber finished |
| Cutting Angle String | 135 Degrees |
| Tool Flute Type | Spiral |
| Number of Flutes | 2 |
| Material | High Speed Steel (HSS) |
| Finish Type | Gold Oxide |
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
-
Professional Tradespeople
Ideal for contractors and workers needing reliable, durable drill bits for daily use on various materials.
-
DIY Enthusiasts
Perfect for hobbyists undertaking projects involving metal, wood, or plastic, ensuring clean and precise drilling.
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Homeowners
Great for homeowners looking to complete repairs and improvements around the house with effective drilling tools.
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Occasional Users
Not ideal for those who only drill sporadically; casual users may not need a full professional set.
Product Description
Cobalt Drill Bit Set - 15Pcs M35 HSS Twist Drill Bits, Straight Shank, Metal Drills bit Set for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic with Index Storage Case, 116-38
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Customer Questions & Answers
-
Question:
What materials can these drill bits handle?
Answer: These drill bits are designed for tough materials like stainless steel, cast iron, titanium alloys, and hard plastics. -
Question:
How does the split point design benefit drilling?
Answer: The 135° split point design allows for self-centering, preventing walk-off and ensuring more precise drilling. -
Question:
Is there a case included for storage?
Answer: Yes, the set comes with an organized holder with a size index for easy storage and organization.
SEDIANAS Jobber Drill Bits Editorial Review
The Cobalt Drill Bit Set has garnered a mixed reception among customers, with many praising its performance and versatility while others express disappointment over durability. Overall, the set features 15 M35 HSS twist drill bits designed for various materials including hardened metal, stainless steel, cast iron, and wood, making it suitable for both DIY enthusiasts and professional tradespeople. Many users find the drill bits exceptionally effective, noting their quick drilling capabilities and sharpness that can tackle tough materials effectively. The straightforward use of the bits and the organization provided by the index storage case have also been highlighted as significant benefits, contributing to a user-friendly experience. Customers appreciate the secure grip provided by the straight shank design, which minimizes slippage during use. However, there are concerns regarding the durability of the bits, with some users indicating that they dull quickly when used on tougher materials like stainless steel, leading to skepticism about the authenticity of the M35 cobalt steel claims. Despite some criticism regarding the storage case, which a few found to be flimsy, the set has been described as a solid option for casual use at home or in workshops. Overall, the Cobalt Drill Bit Set presents a balance of functionality and convenience, making it a worthwhile investment for those looking for a reliable assortment of bits for various projects. **
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Pros
- Versatile for multiple materials (metal, wood, plastic).
- Efficient drilling speed and capability.
- Secure grip with straight shank design.
- Well-organized storage case.
- Good value for the price.
Cons
- Some users reported rapid dulling on tougher materials.
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23 July 2026 · via Trustpilot
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Order now and get it around Tuesday, September 08
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Features & Benefits
- Premium M35 HSS Cobalt Drill Bits for superior heat resistance.
- 135° split point design ensures precise and faster drilling.
- Fully ground twist design reduces friction for cooler performance.
- Includes 15 versatile sizes to meet various drilling needs.
- Ideal for tough materials, including stainless steel and high-temperature alloys.
- Organized holder included for easy storage and access.
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