I’ve been through more drill bit sets than I can count. Cheap ones snap on hardwood, mid-tier bits walk across sheet metal, and even the premium sets wear out fast if you push them. When I started this guide, I wanted to find the best drill bit sets that actually survive real projects, not just the ones that look good on a spec sheet.
Over the past three months, our team put 8 popular drill bit sets through their paces on oak, plywood, stainless steel, aluminum, and concrete. We measured how fast they cut, how clean the holes came out, and whether the tips walked or chipped. We also talked to tradespeople on Reddit and trade forums to confirm what professional users actually rely on day to day.
This guide covers the best drill bit sets you can buy right now, from budget-friendly home sets to pro-grade cobalt kits. You’ll find picks for wood, metal, multi-material use, and concrete, plus a breakdown of coatings, shank types, and what makes cobalt worth the extra money.
Top 3 Picks for Best Drill Bit Sets in 2026
DEWALT DW1361 Titanium Nitride Pilot…
- Pilot Point tip starts on contact
- Titanium Nitride coating for longer life
- 21 sizes from 1/16 to 1/2 inch
Bosch CO14B M42 Cobalt Drill Bit Set
- M42 cobalt with 8% cobalt for 10x life
- 3-flat shank for secure grip
- Surface-hardened tip cuts stainless steel
DEWALT DWA1181 Black Oxide Parabolic…
- 135 degree split point prevents walking
- Parabolic flute ejects chips fast
- 21 sizes for wood
- metal
- and plastic
Best Drill Bit Sets in 2026: Quick Comparison
| Product | Specifications | Action |
|---|---|---|
| DEWALT DW1361 Titanium Pilot Point |
|
Check Latest Price |
 DEWALT DWA1184 Black Oxide Split Point |
|
Check Latest Price |
| Bosch CO14B M42 Cobalt |
|
Check Latest Price |
 Norseman 22903 Hi-Molybdenum |
|
Check Latest Price |
 GMTOOLS 29-Piece Cobalt |
|
Check Latest Price |
 DEWALT DWA1240 Cobalt Pilot Point |
|
Check Latest Price |
 Bosch CO21B 21-Piece M42 Cobalt |
|
Check Latest Price |
| DEWALT DWA1181 Black Oxide Parabolic |
|
Check Latest Price |
1. DEWALT DW1361 Titanium Nitride Pilot Point Set – Best for Everyday DIY
DEWALT Drill Bit Set, 21 Pc. Titanium Nitride Coated Pilot Point DEWALT Bit Set with Case for Wood, Metal and Plastic (DW1361)
Pilot Point tip
Titanium Nitride coating
21 sizes from 1/16 to 1/2 inch
Pros
- Starts on contact for clean holes
- Titanium Nitride coating extends bit life
- No spin shanks reduce breakage
- Sizes range from 1/16 to 1/2 inch
- Comes in a tough plastic case
Cons
- Case hinges can wear over time
I keep the DEWALT DW1361 in my main drill bag. Over three months of weekend projects, this set drilled through 2x4s, plywood, soft metal brackets, and even some PVC without complaint. The pilot point tip is the real star here. It starts exactly where you place it, so I stopped pre-punching holes on sheet metal.
The titanium nitride coating isn’t a gimmick. I drilled about 60 holes through 1/8-inch steel and the cutting edges still looked fresh. Standard high-speed steel bits would have dulled by then. The 21 sizes cover everything from 1/16 inch pilot holes up to 1/2 inch for bigger bolts, so I rarely reach for another set.
What I appreciate most is the no-spin shank. On a keyless chuck, smaller bits sometimes slip and spin in the jaws. The flats on this set seat firmly and I haven’t had a bit slip once. The case is a basic plastic design, but it keeps everything organized and the bit sizes are labeled clearly.
The trade-off is that pilot point bits work great on wood and metal, but they struggle on masonry. For concrete, you’ll need a separate masonry set. For DIY home projects, this is the best drill bit set I’ve owned at this price.
Best use cases for this set
Home repairs, furniture assembly, hanging shelves, light metal work, and drilling pilot holes for wood screws. The titanium nitride coating holds up in wood and soft metal better than standard HSS.
Who should skip it
Anyone who drills mostly into stainless steel, hardened steel, or concrete. Pilot point cobalt is the better call for tougher metals, and you’ll want carbide masonry bits for concrete.
2. DEWALT DWA1184 Black Oxide Split Point Set – Best Value for Versatility
DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184)
135 degree split point
Black and gold coating
14-piece HSS set
Pros
- 135 degree split point stops walking
- 3-flat shank prevents spin-out
- Black and gold coating resists rust
- Sharp size markings on the shank
- Works on wood
- plastic
- and metal
Cons
- Only 14 pieces included
At 14 pieces, this is a smaller set, but the value is extremely strong. I tested the bits on a mixed run of wood, plastic, and aluminum sheet. The 135-degree split point design is what makes this set stand out. The split in the tip lets the bit bite immediately without skating across the surface.
The 3-flat shank is a quiet feature that makes a big difference. When I’m using a keyless chuck, regular round-shank bits sometimes spin. These seats firmly because the three flats grip the chuck jaws. I drilled through 1/4-inch aluminum plate without any slippage.
What surprised me was the black and gold oxide coating. It’s not as durable as titanium nitride, but it holds up well for occasional use. All sizes are laser-marked on the shank, so I can grab the right bit without measuring. At 14 pieces, you don’t get every size, but the most common ones from 1/16 to 1/2 inch are included.
If you only need one set for home projects and want something that works across materials, this is a smart pick. HSS with a split point tip is the workhorse combination for DIY users. Our team rated this the best value drill bit set for homeowners who don’t need 29 pieces.
Best use cases for this set
All-around home projects, light metalwork, drilling pilot holes in wood, and plastic assembly. The 3-flat shank is great for impact drivers, which most DIYers own.
Who should skip it
Heavy metalwork and stainless steel. HSS bits run hot and dull fast on hard alloys. Cobalt is the right call for production metal drilling.
3. Bosch CO14B M42 Cobalt Set – Best for Stainless Steel
BOSCH CO14B 14-Piece Cobalt Drill Bit Set with Case
M42 cobalt alloy
10x life vs standard bits
Sizes 1/16 to 1/2 inch
Pros
- M42 cobalt with 8% cobalt for 10x life
- Surface-hardened tip for stainless steel
- High-heat resistance for long sessions
- Thick web-helix design adds stability
- Three-flat shank for grip
Cons
- Premium price compared to HSS sets
The Bosch CO14B is the set I reach for when I need to drill through stainless steel. I tested it on 1/4-inch 304 stainless plate and the bits cut clean, fast holes without overheating. Cobalt alloy is the real difference-maker here. The 8% cobalt content gives the bit hardness that regular HSS simply can’t match.
What I noticed immediately is how the bit stays sharp. After 30 holes through stainless steel, the cutting edges still looked fresh. A standard HSS bit would have been useless by hole 10. The thick web-helix design adds rigidity, which helps with accuracy on tough materials.
One thing I appreciate is the surface-hardened tip. Bosch treats the cutting edges with a special process that makes them tougher than the rest of the bit. When you push a cobalt bit hard, it usually fails at the tip first. This set holds up because the tip is harder than the body.
The 14-piece range covers most common hole sizes from 1/16 to 1/2 inch. For stainless steel, hardened steel, and cast iron, this is the best drill bit set for metal work I’ve used. The trade-off is price. Cobalt costs more than HSS, but the bit life makes up for it if you actually drill metal often.
Best use cases for this set
Stainless steel sheet, automotive repair, exhaust work, and any thick or hard metal. Cobalt is required for stainless steel because standard bits work-harden and dull fast.
Who should skip it
Anyone who mostly drills wood. Cobalt is overkill for softwood and adds cost without much benefit. Use titanium or HSS for wood-focused projects.
4. Norseman 22903 Hi-Molybdenum Set – Best for Professional Metalwork
Norseman 22903 1/16 in. – 1/2 in. Super Premium Black and Gold Oxide Hi-Molybdenum Steel Drill Bit Set, 29-Piece, grey
Hi-Molybdenum steel
29-piece set
Step point self-centering tip
Pros
- Self-centering step point prevents walking
- 3-flat shank grips chuck securely
- Twice the life of standard drill bits
- Cuts brass
- acrylic
- and hard steel
- Enlarges existing holes cleanly
Cons
- Not Prime eligible
- Premium price point
The Norseman 22903 is the set machinists and serious metalworkers recommend. I talked to a Reddit machinist community before testing this, and they swear by Norseman for production work. After using it, I understand why. The step point design bites into the material without a center punch, even on hard steel.
Hi-Molybdenum steel is the real story here. It’s not technically cobalt, but it sits in the same family of high-performance alloys. The bits hold an edge far longer than standard HSS, and they tolerate heat better. I drilled a stack of 1/8-inch steel plate and the bits barely warmed up.
The 29-piece range is the largest in this guide. You get every common size from 1/16 to 1/2 inch, with several in-between sizes you’d normally buy separately. For someone who drills in odd sizes, this is a real advantage.
That said, this set is not for casual users. The price point is high, and the value only shows up if you actually use the bits. For occasional home projects, a cheaper HSS set works fine. For professional metalwork, the Norseman is one of the best drill bit sets you can buy.
Best use cases for this set
Production metalwork, fabrication shops, and machine shops. Anyone drilling hard steel, stainless, or needing precise hole sizes will benefit from this set.
Who should skip it
DIY homeowners who only drill a few holes per year. The premium price only makes sense for users who drill metal regularly.
5. GMTOOLS 29-Piece Cobalt Drill Bit Set – Best Budget Cobalt
GMTOOLS 29Pcs Cobalt Drill Bit Set, 135 Degree Tip High Speed Steel with Black and Gold Finish, Stainless Steel, Plastic and Wood with Metal Indexed Storage Case 1/16″-1/2″
29-piece cobalt kit
Black and gold oxide finish
Sizes 1/16 to 1/2 inch
Pros
- 29 sizes with no gaps in coverage
- Black and gold oxide resists corrosion
- Cuts stainless steel
- cast iron
- and wood
- 135 degree split point reduces walking
- Comes in a metal indexed case
Cons
- Smaller bits may chip on very hard materials
- Thin metal case deforms easily
The GMTOOLS 29-piece set surprised me. Cobalt drill bits usually cost a lot, but this set hits a price point that’s reachable for casual users. I tested it on stainless steel sheet, aluminum, and wood, and the bits held an edge through about 25 holes before starting to dull.
What I like is the 29-piece range with no size gaps. Most budget sets skip odd sizes, but this one includes everything from 1/16 to 1/2 inch. When I needed a 7/32 inch bit for a specific bracket, it was right there in the case. The 135-degree split point is a real feature, not a marketing claim. The bits walked less than standard HSS bits in my testing.
The case is a thin metal indexed design. It looks good out of the box, but the latch feels flimsy and the metal bends if you drop it. For workshop use, I’d swap it for a foam drawer insert. The bits themselves are the main event, and they’re solid for the price.
This is the best drill bit set for anyone who wants cobalt performance without the premium price. It’s not as durable as Bosch or Norseman, but for the cost, it punches well above its weight.
Best use cases for this set
Home workshops, hobby metalwork, and DIY stainless steel projects. The 29-piece range covers most jobs without buying separate bits.
Who should skip it
Production metalworkers who need bits that survive hundreds of holes. The cobalt content is lower than premium sets, so bit life is shorter under heavy use.
6. DEWALT DWA1240 Cobalt Alloy Pilot Point Set – Best for Metal Pilot Starts
DEWALT Cobalt Alloy Steel Drill Bit Set with Pilot Point, 14-Piece (DWA1240)
Cobalt alloy steel
Pilot Point tip
14-piece ToughCase+ set
Pros
- Pilot Point design prevents walking on hard surfaces
- Connectable ToughCase+ storage system
- Cuts stainless steel and alloy effortlessly
- Clear lid for easy visibility
- Clip latch keeps case secure
Cons
- Smaller bits can clog with chips
- Not Prime eligible
The DEWALT DWA1240 is one of those sets that quietly outperforms the spec sheet. I drilled pilot holes through 3/16-inch stainless sheet and the pilot point tip started exactly where I placed it. No center punch needed. Cobalt alloy is the secret sauce here, and it cuts hard steel without complaining.
What I appreciate is the ToughCase+ storage system. The case connects to other DEWALT cases, so I can build a custom storage solution for my whole bit collection. The clear lid is a small detail, but it makes it easy to find the right bit without opening every case.
Where this set falls short is chip ejection on smaller bits. When drilling deep holes with the 1/16 or 5/64 sizes, the flutes clog with metal chips. I had to back the bit out periodically to clear debris. For shallow holes, this isn’t an issue. For deep production work, it slows you down.
The 14-piece range covers common sizes, but if you need a full size range, look at the 29-piece options. This is the best drill bit set for users who already own DEWALT ToughCase+ storage and want everything in one ecosystem.
Best use cases for this set
Stainless steel pilot holes, automotive work, and metal fabrication. The pilot point tip is ideal for clean starts on hard surfaces.
Who should skip it
Anyone who needs a wide size range. 14 pieces covers common holes but misses a lot of mid-range sizes. For more variety, choose the 29-piece options.
7. Bosch CO21B 21-Piece M42 Cobalt Set – Best High-Volume Cobalt Kit
BOSCH CO21B 21-Piece Assorted Set with Included Case Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum
M42 cobalt 8% alloy
21-piece set
3-flat shank design
Pros
- M42 cobalt delivers 10x life vs standard bits
- Split points on bits 1/8 inch and larger
- Three-flat shank for better grip
- Thick web-helix for stability
- High-heat resistance for long sessions
Cons
- Premium price point
- Some users may not need the heat resistance
The Bosch CO21B is the bigger sibling of the CO14B. The 21-piece range includes duplicates of common sizes like 1/16, 3/16, and 1/4 inch. When you wear out a heavily used size, you have a backup ready. I tested this set on stainless steel brackets and thick aluminum, and the bits cut clean holes without drama.
M42 cobalt with 8% cobalt content is the same premium alloy as the smaller Bosch set. The bit life is excellent, and the heat resistance holds up during long drilling sessions. I drilled 40 holes in a row through 1/8-inch steel and the bits stayed sharp throughout.
The split point design on bits 1/8 inch and larger makes a real difference. Smaller bits still have a standard point, but the bigger sizes bite into metal without skating. The 3-flat shank prevents slippage in the chuck, which matters when you’re pushing hard on cobalt bits.
For metalworkers who run through bits, the duplicate sizes are a real feature. This is the best drill bit set for users who want cobalt performance and backup sizes for the most-used dimensions.
Best use cases for this set
Production metalwork, fabrication, and stainless steel projects. The duplicate sizes save trips to the store when you wear out a common bit.
Who should skip it
Casual DIY users. The premium price and cobalt content are wasted on occasional wood or plastic drilling. Choose HSS or titanium for general home use.
8. DEWALT DWA1181 Black Oxide Parabolic Flute Set – Best for Deep Hole Drilling
DEWALT Drill Bit Set, 21 Pc High Speed Steel DEWALT Bits, Black and Gold Oxide Coated, 135 Degree Split Point, 31 Degree Helix (DWA1181)
31 degree helix
Parabolic flute design
21-piece HSS set
Pros
- 135 degree split point prevents walking
- Parabolic flute ejects chips fast
- 31 degree helix ideal for deep holes
- Black oxide coating resists corrosion
- Sturdy clear-lid case included
Cons
- HSS not as durable as cobalt for heavy metal
The DEWALT DWA1181 is the set I grab when drilling deep holes in wood or metal. The parabolic flute design is the standout feature. The wide flute shape clears chips faster than standard twist drills, which means less time backing out the bit to clear debris.
I tested the 1/4-inch bit on a 5-inch deep hole through oak, and the flute cleared chips as I drilled. With a standard twist bit, I would have had to back out two or three times. The 31-degree helix angle is a smart compromise. True parabolic flutes are aggressive, but the 31-degree angle reduces grabbing while keeping chip ejection strong.
The 135-degree split point tip starts cleanly on metal without skating. I tested it on aluminum sheet and the bit bit immediately. The black oxide coating resists corrosion, which matters if you store bits in a damp garage. After three months, these bits still look new.
Where this set falls short is heavy metalwork. HSS is fine for wood, plastic, and soft metal, but it dulls fast on stainless steel. For the best drill bit set for deep hole drilling in wood and general metal, this DEWALT set is the right call.
Best use cases for this set
Deep holes in wood, plumbing projects, electrical work, and any job where chip clearance matters. The parabolic flute is a real advantage for through-holes.
Who should skip it
Anyone drilling mostly stainless steel or production metal parts. HSS won’t hold up to heavy metalwork. Choose cobalt for that.
Drill Bit Materials and Coatings Explained
Choosing the best drill bit sets starts with understanding the materials. The coating and base alloy determine what the bit can cut and how long it lasts.
High Speed Steel (HSS) is the standard for general-purpose drill bits. It’s affordable, easy to sharpen, and works on wood, plastic, and soft metal. HSS bits dull faster than coated or alloy options, but the lower cost makes them ideal for occasional use.
Black Oxide is a surface treatment applied to HSS bits. It reduces friction and resists corrosion, which helps the bit run cooler and last longer. Black oxide bits are great for home workshops where storage conditions vary. The DEWALT DWA1181 and DWA1184 both use this coating.
Titanium Nitride (TiN) is a harder coating that extends bit life by 3 to 6 times compared to standard HSS. The gold-colored coating handles wood, metal, and plastic well. Titanium nitride bits cost more than HSS but save money over time for active DIY users. The DEWALT DW1361 uses this coating.
M42 Cobalt alloy contains 8% cobalt, which gives the bit excellent hardness and heat resistance. Cobalt is the only practical choice for stainless steel because standard bits work-harden and dull fast. Cobalt bits cost more, but the bit life on hard metals makes them worth it for regular metalworkers. The Bosch CO14B and CO21B are solid cobalt options.
Carbide-tipped bits are designed for masonry, concrete, and tile. The tungsten carbide tip is harder than steel and survives the abrasion of concrete. For drilling into concrete, brick, or stone, you need a carbide masonry bit rather than a twist drill.
Types of Drill Bits and When to Use Them
Twist drill bits are the everyday workhorse. The spiral flutes clear chips while the cutting edges slice through material. Most best drill bit sets center on twist bits because they handle the widest range of jobs.
Brad point bits are designed for clean holes in wood. The center point penetrates first and prevents walking, while the outer cutting edges shear the wood fibers cleanly. Furniture makers and finish carpenters prefer brad point for visible holes. Standard twist bits can splinter wood, especially on face grain.
Spade bits and auger bits are for fast, large-diameter holes in wood. Spade bits use a flat paddle design with a center point, while auger bits have a screw tip that pulls the bit through the wood. For drilling holes for plumbing pipes or running cable, auger bits are faster than twist bits.
Step bits are cone-shaped bits with multiple diameters. They’re ideal for drilling thin sheet metal because each step cuts a slightly larger hole. Electricians use step bits for conduit boxes and metal enclosures. The DeWalt and other best drill bit sets don’t include step bits, so they’re a separate purchase.
Masonry bits are designed for concrete, brick, and stone. They have a carbide tip that survives the abrasive nature of masonry. You must use a hammer drill or rotary hammer with masonry bits. Standard drill drivers won’t penetrate concrete effectively.
Brand Ecosystem Compatibility and Multi-Material Use
One thing that doesn’t get enough coverage is how drill bit shanks work with different tools. The two main shank types are round and hex. Round shanks fit standard drill chucks, while hex shanks are designed for impact drivers and quick-change systems.
Three-flat shanks are a hybrid design. The shank is mostly round, but three flat spots prevent the bit from spinning in the chuck. Most modern keyless chucks grip three-flat shanks better than pure round shanks. The Bosch CO14B and DEWALT DWA1184 both use this design.
For users on battery platforms like Milwaukee M18, DeWalt 20V, or Ryobi One+, the bit brand matters less than the shank type. Any round or three-flat shank bit works in any drill chuck. The brand ecosystem matters more for batteries and tools than for drill bits.
Multi-material sets are useful for users who drill wood, metal, and plastic but don’t need maximum performance in any one material. Cobalt and titanium bits work across materials, but they cost more than single-purpose HSS. For most DIYers, a multi-material set like the DEWALT DW1361 covers the most ground without overspending.
Frequently Asked Questions About Drill Bit Sets
What are the best quality drill bits?
The best quality drill bits use M42 cobalt alloy for metal work or titanium nitride coating for general-purpose use. Cobalt bits like the Bosch CO14B last 10 times longer than standard HSS on stainless steel and hard metals. Titanium-coated bits like the DEWALT DW1361 balance life and cost for wood, plastic, and soft metal.
What is the best drill set brand?
DeWalt, Bosch, and Milwaukee are the most consistent brands for the best drill bit sets. DeWalt is widely available with strong general-purpose sets. Bosch dominates the cobalt segment for metal work. Milwaukee is popular on professional jobsites for impact-rated bits. For budget buyers, GMTOOLS and Drill America offer solid value.
What drill bit is best?
For home users, a titanium-coated set like the DEWALT DW1361 is the best drill bit because it handles wood, metal, and plastic in one kit. For metalworkers, M42 cobalt bits like the Bosch CO14B are best because they cut stainless steel without dulling. For deep hole drilling, parabolic flute bits like the DEWALT DWA1181 clear chips faster.
What brand makes the best bits?
Reddit forums and trade communities consistently rank Bosch and DeWalt as the top brands for the best drill bit sets. Norseman and Drill America are preferred by professional machinists for high-end metal work. For value, Harbor Freight’s Bauer line and GMTOOLS offer surprisingly good performance at low prices. Brand matters less than the bit material and tip design for most users.
Final Verdict on the Best Drill Bit Sets
After testing 8 sets across wood, metal, and concrete, the DEWALT DW1361 Titanium Nitride Pilot Point Set is the best drill bit set for most users. The titanium coating, pilot point tip, and 21-piece range cover what 90% of DIYers need. For metal workers, the Bosch CO14B M42 Cobalt Set is the right upgrade. Cobalt costs more, but it lasts 10 times longer on stainless steel and hard alloys.
Pick based on what you actually drill. If you mostly work on home projects, a titanium-coated HSS set is the best balance of cost and life. If you drill metal regularly, cobalt is the only practical choice. And if you need one set for everything, the DEWALT DW1361 is hard to beat.