Cobalt Twist Drill Bits Set
$54.99
- Exceptional Durability: The drill bit set crafted from premium M35 cobalt steel with heat treatment, these bits deliver superior wear and rust resistance. It tackles tough materials like metal and stainless steel and a lifespan up to 3x longer than standard HSS bits.
- Quick and Efficient: Equipped with a 135° self-centering point, each bit starts precisely without wandering, producing clean, round holes with minimal runout. The optimized flute design speeds up chip removal, reduces heat buildup, and ensures smooth, efficient drilling—perfect for both professionals and beginners.
- Various Sizes: 99/108 two kinds of sets. Ideal for DIY, automotive, construction, and woodworking projects, these bits perform consistently on stainless steel, eliminating the need for additional purchases.
- Easy Storage: Each drill bit comes in its own sealed plastic bag for maximum protection against moisture and damage. Every bit is clearly marked with its size for quick identification, and the compact, durable case is perfect for job site portability and home storage—keeping your tools secure and extending their life.
- Outstanding Value, Lasting Savings: Get professional M35 cobalt performance in a complete set that covers all your drilling needs. With enhanced durability and high-use size availability, this set reduces long-term replacement costs by up to 40% compared to smaller kits. A reliable, all-in-one solution offering unmatched value for serious DIYers and trades people.
Product details
Exceptional Durability:
The drill bit set crafted from premium M35 cobalt steel with heat treatment, these bits deliver superior wear and rust resistance. It tackles tough materials like metal and stainless steel and a lifespan up to 3x longer than standard HSS bits.
Quick and Efficient:
Equipped with a 135° self-centering point, each bit starts precisely without wandering, producing clean, round holes with minimal runout. The optimized flute design speeds up chip removal, reduces heat buildup, and ensures smooth, efficient drilling—perfect for both professionals and beginners.
Various Sizes:
99/108 two kinds of sets. Ideal for DIY, automotive, construction, and woodworking projects, these bits perform consistently on stainless steel, eliminating the need for additional purchases.
Easy Storage:
Each drill bit comes in its own sealed plastic bag for maximum protection against moisture and damage. Every bit is clearly marked with its size for quick identification, and the compact, durable case is perfect for job site portability and home storage—keeping your tools secure and extending their life.
Outstanding Value, Lasting Savings:
Get professional M35 cobalt performance in a complete set that covers all your drilling needs. With enhanced durability and high-use size availability, this set reduces long-term replacement costs by up to 40% compared to smaller kits. A reliable, all-in-one solution offering unmatched value for serious DIYers and trades people.
Product specifications
| Brand | toolant |
|---|---|
| Quantity | 99pcs | 108pcs |



Choosing, using and caring for your product
Match tool dimensions, drive size and material to the task. Check included pieces, required power and product instructions before you begin.
Read the instructions supplied with your item before first use. Check the components and fitting requirements, and follow the care guidance for the listed materials. Keep the product instructions for future reference.
If a specification is not listed or you need help with a particular application, contact our team before ordering.
Ask us a question ↗Delivery & FAQs
Where do you deliver?
We deliver within the United States. Standard U.S. shipping is free, with no minimum order amount.
When should I expect my order?
Order processing takes 1–3 business days. Estimated total delivery is 5–8 business days from order placement, including processing and carrier transit. See our Shipping Policy for delivery details and how to contact us about an order.
Can I return an item?
You can request a return within 30 days after delivery. Contact us before returning an item so we can provide the correct instructions. Approved refunds are expected to reach the original payment account within 2–4 business days after approval and issuance. See the Return & Refund Policy for the full conditions.
How do I choose the right option?
Check the product photographs, dimensions, materials and available options. Choose your color, size or specification before adding the item to your cart. If you are unsure, ask our team before ordering.
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