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If you’re searching for the best drill bit for metal, the right set can make a big difference in how cleanly, quickly, and confidently you work. Metal drilling can be demanding, so choosing a bit set that matches your material and project type matters a lot.
Below you’ll find a carefully organized review of 15 options based on the product data provided. Whether you’re drilling stainless steel, cast iron, sheet metal, or lighter materials, this guide will help you compare the most relevant choices and narrow down the right fit for your needs.
Our Top Picks at a Glance
| Product | Best For | Buy Now |
|---|---|---|
| DEWALT 21 Pc Titanium Nitride Pilot Point Set | Overall metal, wood, and plastic drilling | Buy |
| BOSCH CO14B Cobalt M42 14-Piece Set | Hardened metal and stainless steel | Buy |
| Drill America 29 Pc Cobalt Set | Heavy-duty high-speed steel drilling | Buy |
Best Drill Bit For Metal
1. Best Overall: DEWALT 21-Piece Titanium Nitride Pilot Point Set
This DEWALT 21-piece set is one of the strongest all-around picks in the lineup thanks to its titanium nitride coating and pilot point design. It is designed for use with wood, metal, and plastic, which makes it a practical choice if you want one set that can handle multiple materials.
With a 4.8 rating and a price of $26.98, it stands out as a well-balanced option for users who want dependable performance without moving into a premium price tier. The included case also makes it easier to keep the set organized.
If you want a versatile and highly rated option for drilling metal as part of a broader toolkit, this is a very solid first choice.
Pros
- High customer rating
- Useful for metal, wood, and plastic
- Includes a case
Cons
- Not specialized only for metal
- May be more than needed for simple light-duty use
2. Best Value: DEWALT 14-Piece 3-Flats Shank Set
This 14-piece DEWALT set offers a lower entry price while still carrying a strong 4.8 rating. It is designed for plastic, wood, and metal, and the 135 degree split point gives it a clearly defined drilling style within the available product details.
At $14.79, it is one of the most affordable options in the list, making it attractive for shoppers who want a trusted brand without spending much. The 3-flats shank design is also a helpful inclusion for compatibility.
For cost-conscious buyers who still want a reputable name and solid feedback, this is an especially appealing value pick.
Pros
- Very affordable
- Strong customer rating
- Multi-material use
Cons
- Smaller set than some alternatives
- Not focused exclusively on metal
3. Best For Heavy-Duty Use: Drill America 29-Piece High Speed Steel Set
This 29-piece Drill America set is built as a heavy-duty high speed steel option with a black and gold finish. It covers sizes from 1/16-inch to 1/2-inch in 64ths, which gives you a broad range for different drilling needs.
The set is priced at $73.12 and has a 4.5 rating, placing it in the more premium part of the selection. That makes it a better fit for buyers who want a larger size range and are comfortable paying more for it.
If your projects involve frequent metal drilling and you want a substantial set, this is a practical candidate to consider.
Pros
- Large 29-piece set
- Broad size range
- Heavy-duty design
Cons
- Higher price
- Not the best pick for budget shoppers
4. Best For Stainless Steel: BOSCH CO14B Cobalt M42 Set
The BOSCH CO14B set is specifically presented for drilling applications in stainless steel, cast iron, titanium, and light-gauge metal. That makes it one of the most targeted choices in the group for demanding metal jobs.
With a 4.6 rating and a price of $39.29, it sits in a middle-to-upper range that reflects its specialized placement. The included case and three-flat shank are useful details for users who want a more controlled setup.
If stainless steel is high on your list, this is one of the most relevant options in the collection.
Pros
- Designed for stainless steel and other hard metals
- Includes a case
- Good customer rating
Cons
- Higher than entry-level pricing
- Smaller set size than some competitors
5. Best For Hole Drilling: 5-Piece HSS Titanium Step Drill Bit Set
This 5-piece step drill bit set is built around a step design and offers 50 sizes for metal drilling. The high speed steel construction and titanium finish are part of the product details provided, and the included aluminum case helps with storage.
Priced at $21.99 with a 4.4 rating, it may appeal to users who need a compact set for progressively sized holes rather than a traditional twist-bit collection. That makes it especially relevant for sheet metal and similar tasks where step drilling is useful.
If your work involves multiple hole sizes and you want a compact set, this is a practical option to explore.
Pros
- 50 sizes in one set
- Compact 5-piece format
- Includes aluminum case
Cons
- Not a standard twist-bit set
- Lower rating than the top ranked options
6. Best For Hardened Metals: M35 Cobalt Drill Bit Set, 29-Piece
This 29-piece M35 cobalt set is positioned for hardened metals, stainless steel, cast iron, and even wooden plastics according to the product data. The broad material listing makes it a flexible choice for users who move between tough and lighter materials.
It carries a 4.7 rating and costs $58.99, putting it among the more premium choices while still landing below some of the most expensive entries. The metal index storage box is another practical detail that helps keep sizes organized.
For shoppers prioritizing tougher metal applications, this is one of the stronger candidates on the list.
Pros
- Suitable for hardened metals
- Large 29-piece set
- Good rating
Cons
- More expensive than entry-level sets
- May be more than casual users need
7. Best For Impact Use: Makita B-65399 Impact Gold 14-Piece Set
The Makita B-65399 is a 14-piece titanium drill bit set with a 1/4-inch hex shank. Its “Impact Gold” naming and hex-shank format make it stand out for users working with compatible tools.
With a 4.5 rating and a price of $21.22, it falls into a well-rounded midrange spot. Since the product data only specifies the shank size and the set count, it’s best viewed as a compact, practical option rather than a highly specialized metal-only solution.
If tool compatibility and a familiar brand matter to you, this Makita set is worth a look.
Pros
- Compact 14-piece set
- Hex shank design
- Midrange pricing
Cons
- Less information provided about metal-specific use
- Smaller than some other sets
8. Best Premium Set: Drill America 29-Piece Cobalt Stepped Point Set
This Drill America 29-piece cobalt stepped point set is built for acrylic, steel, hard metals, and more. The gold oxide finish and the size range from 1/16-inch to 1/2-inch make it a robust option for those who want a larger, more comprehensive set.
At $199.95, it is by far one of the most expensive options in the list and comes with a 3.8 rating. That combination suggests it is aimed at buyers who need the specific size range and stepped point setup more than they need a value purchase.
If your priority is breadth and you’re comfortable with premium pricing, it may still deserve consideration.
Pros
- Large 29-piece set
- Works for hard metals and steel
- Wide size range
Cons
- Very expensive
- Lower rating than many others here
9. Best Large Set: 99-Piece Cobalt Drill Bit Set
This 99-piece cobalt drill bit set offers one of the largest assortments in the roundup. It is listed for hardened metal and stainless steel, with sizes from 1/16-inch to 3/8-inch and a plastic index storage case included.
Its 4.4 rating and $61.49 price position it solidly as a larger-capacity set for users who want plenty of size options. The jobber-style format also makes it easy to think of this as a general-purpose metal bit collection.
If variety is your main concern, this is a standout option in terms of quantity.
Pros
- Huge 99-piece set
- Good for hardened metal and stainless steel
- Includes storage case
Cons
- Important for larger inventories, not casual use
- Smaller max size than some other offerings
10. Best Coated Option: toolant Cobalt Drill Bit Set Pro
The toolant Cobalt Drill Bit Set Pro is described as titanium aluminum nitride coated with a bullet point tip, and it is aimed at hardened metal and stainless steel. That gives it a clear position as a more specialized metal-focused option.
Priced at $44.99 with a 4.3 rating, it lands in a middle category where materials and design details may matter more than overall size. The 21-piece count is solid, and the 1/16-inch to 1/2-inch range is useful for many common tasks.
For users who want a coated cobalt option with a clear metal drilling focus, it is a strong contender.
Pros
- TiAlN coating
- Made for hardened metal and stainless steel
- Broad size range
Cons
- Lower rating than some top sets
- Priced above entry-level alternatives
11. Best General-Purpose Metal Set: DEWALT 21-Piece Black and Gold Oxide Set
This DEWALT 21-piece high speed steel set features black and gold oxide coating, a 135 degree split point, and a 31 degree helix. Those details make it a very practical general-purpose option for users needing a familiar, dependable set.
It has a 4.8 rating and costs $24.97, which makes it one of the stronger value propositions in the lineup. Because it is a high speed steel set with notable design details, it fits well for mixed usage where metal is part of the job.
If you want a highly rated DEWALT set with balanced pricing, this one deserves attention.
Pros
- Strong rating
- Good price for a 21-piece set
- Useful split point and helix details
Cons
- Not explicitly built only for metal
- May overlap with other DEWALT choices
12. Best Budget Cobalt Set: M35 Cobalt Drill Bit Set, 20-Piece
This 20-piece M35 cobalt set is one of the more budget-friendly cobalt options listed, especially compared with other hardened-metal sets. It covers 1/16-inch to 1/2-inch and includes an index storage case.
At $25.99 with a 4.4 rating, it offers solid accessibility for buyers who want cobalt construction without a big spend. The jobber length format also makes it a straightforward, familiar choice.
If you want an economical path into cobalt drill bits, this set is worth considering.
Pros
- Affordable cobalt option
- Good size range
- Includes storage case
Cons
- Smaller set than larger alternatives
- Not the highest-rated cobalt set
13. Best Starter Set: 13-Piece M35 Cobalt Drill Bit Set
This 13-piece M35 cobalt set is a compact option aimed at hardened metal, stainless steel, cast iron, wood, and plastic. Its smaller count and size range from 1/16-inch to 1/4-inch make it straightforward and easy to store.
With a 4.4 rating and a very low $9.98 price, it is one of the least expensive choices in the lineup. That makes it ideal for someone who wants to test a cobalt set without spending much.
If you need a starter kit rather than a large inventory, this is an easy entry point.
Pros
- Very low price
- Includes index storage case
- Good for multiple materials
Cons
- Smaller size range
- Fewer pieces than most alternatives
14. Best With Holder: CaRoller 29-Piece Cobalt Steel Drill Bit Set
The CaRoller 29-piece set is described as M35 cobalt steel metal drill bits with a practical cup-type holder. It is listed for steel, wood, plastic sheet metal, and general use, making it a versatile option in the collection.
With a 4.6 rating and $61.97 price, it sits in a mid-to-upper range. The included holder is useful for keeping the larger set organized and easier to access during work.
If you appreciate storage convenience as much as bit count, this set has a nice balance of both.
Pros
- 29-piece set
- Includes cup-type holder
- Good rating
Cons
- Price is not budget-level
- Less specialized than some hard-metal sets
15. Best Compact Step Set: ZELCAN 10-Sizes Titanium Step Drill Bit
The ZELCAN step drill bit is a compact 10-size option for sheet metal hole drilling and cutting. It covers 1/4-inch to 1-3/8 inches and is described as an HSS multi-size hole stepped-up unibit for DIY lovers and electricians.
At just $9.99 with a 4.4 rating, it is one of the most affordable specialized choices on the list. That makes it especially appealing for buyers looking for a simple step-bit solution rather than a full drill bit set.
If your work leans toward sheet metal and you want a small, inexpensive step option, this is a smart pick.
Pros
- Very affordable
- Useful for sheet metal
- Compact and simple to store
Cons
- Only 10 sizes
- Not a traditional multi-bit twist set
Buying Guide
Material Compatibility
Always start by checking what materials the set is designed for. Some options in this list are listed for stainless steel, hardened metal, cast iron, or sheet metal, while others are more general-purpose and also work for wood or plastic. Matching the bit to the material can help you choose more confidently.
Bit Material and Coating
The product data includes several bit types such as titanium nitride coating, cobalt M35 or M42, black and gold oxide, and titanium aluminum nitride coating. These terms matter because they help distinguish one set from another, especially when comparing more general options to metal-focused ones.
Set Size and Range
Some buyers need a compact starter set, while others want a larger range of sizes. In this lineup, set counts range from 5 pieces to 99 pieces, so it helps to think about how many sizes you’ll realistically use.
Shank Type and Tool Fit
Products in this list include details like hex shank, three-flat shank, 3-flats shank, and round shank. If you already know what your drill accepts, that can make your decision much easier.
Case or Storage Included
Several of the sets include a case, index storage box, or holder. If organization matters to you, this can be a surprisingly important detail, especially with larger sets.
Price and Value
Price varies widely here, from budget-friendly picks under $10 to premium sets close to $200. Rather than focusing only on the lowest price, consider the material type, set size, and rating together to find the best value for your needs.
Frequently Asked Questions
What is the best drill bit for metal in this list?
The DEWALT 21-piece Titanium Nitride Coated Pilot Point set stands out as the best overall option here because it has a strong rating, a reasonable price, and broad use across metal, wood, and plastic.
Which drill bits are best for stainless steel?
The BOSCH CO14B cobalt M42 set and the M35 cobalt sets in this list are the most directly relevant options for stainless steel based on the product descriptions provided.
Are cobalt drill bits better for hard metal?
Based on the product data, several cobalt sets are specifically listed for hardened metal, stainless steel, and cast iron. That makes cobalt a strong category to look at when your projects involve tougher materials.
Should I choose a step drill bit or a twist drill bit?
That depends on the task. The step drill bits in this list are designed for applications like sheet metal hole drilling and cutting, while the twist-bit sets are more general and come in broader size ranges.
Do these sets work for materials other than metal?
Several of the products are listed for use with wood, plastic, or acrylic as well as metal. If you need a multi-purpose set, look closely at the material descriptions before buying.
Conclusion
The best drill bit for metal depends on the kind of metal you’re drilling, how often you work on projects, and whether you want a specialized or all-purpose set. For a balanced overall choice, DEWALT’s 21-piece Titanium Nitride Pilot Point set is a standout. For stainless steel and tougher applications, the BOSCH CO14B and several cobalt sets are especially relevant.
If you want the best value, the DEWALT 14-piece 3-Flats Shank set is hard to ignore. And if you need something more specialized, a step-drill option like the ZELCAN or the 5-piece HSS Titanium set may be the better fit. Use the comparison table and buying guide above to match the set to your needs with confidence.