9 Best Drilling Bits in 2026

The 135-degree split point tip is the standout feature here, biting in immediately to stop the bit from skating across hard surfaces like metal or tile. That makes it a reliable, no-fuss set for the vast majority of weekend projects, from hanging shelves to assembling furniture. It’s a workhorse collection for drilling into wood, plastic, and light-gauge metal where you need a bit to start exactly where you aim. The black oxide finish isn’t just for looks; it fights rust, which is a real benefit if your tools live in a garage or basement shop.

The trade-off is in the material. They’ll handle stainless steel, but research shows they’ll wear out faster under heavy-duty, repetitive use than a dedicated set like the SEDIANAS M35 Cobalt bits. For the DIYer who drills a few holes at a time in a mix of materials, this set hits the sweet spot. It offers good performance and durability without the premium cost, covering the essentials from 1/16 inch up to 1/2 inch.

A split-point tip is the key feature here, engineered to bite immediately without wandering. That makes this Bosch set a reliable choice for contractors and electricians who need to place holes exactly where they mark them in wood, plastic, or sheet metal. The black oxide coating does help dissipate heat, which contributes to bit life in these general-purpose materials. It’s a straightforward set built for control and clean starts over brute force.

This Bosch set is designed for general-purpose drilling in wood, plastic, and light-gauge metal, which covers most common tasks for pros and DIYers. Its split-point tip is engineered for no-skate starts, meaning you get cleaner, more accurate holes right from the initial contact. The black oxide coating and three-flat shanks on larger bits aim to reduce friction and prevent slipping in the chuck for a more reliable grip during use.

Precise 1/64-inch increments from 1/16 to 1/2 inch define this set, delivering the exact size needed for taps, bolts, or any job where fit is critical. The 135-degree split-point tip starts drilling immediately, which prevents the bit from wandering and helps you place holes accurately from the start. High-speed steel and a protective finish allow for extended drilling in tough materials like steel or hardwood.

The trade-off for that comprehensive sizing is a substantial metal case. At over four pounds and a sizable footprint, it’s a shop box, not a pocket-friendly pouch for quick jobs around the house. For those focused on common sizes in a more portable kit, the DEWALT DWA1181 set is a fraction of the weight. The IRWIN set excels when your project demands the perfect drill bit from a complete, organized selection, even if the case stays on your bench.

The M35 cobalt composition, with its 5% cobalt content, is the key here. It directly translates to the hardness and heat resistance needed to chew through stainless steel, cast iron, and titanium alloys without immediately blunting or losing temper. For the mechanic tackling a stubborn exhaust manifold or the fabricator drilling hardened steel plate, this metallurgy is the primary reason to choose this set over standard high-speed steel bits. Its split point design adds practical precision, biting in quickly to prevent the bit from skating on curved metal surfaces.

You’re trading quantity for a focused, capable selection. The 15-piece range covers the most common fractional sizes up to 3/8″, which handles a vast majority of bolt and tap drill sizes. However, if your projects consistently demand holes larger than that, you’ll need a supplemental bit. Compared to a general-purpose workhorse like the DEWALT Titanium set, the SEDIANAS bits are specialists. They forgo a broad size count and non-stick coatings to concentrate their performance where it counts: sustained drilling in unforgiving, hardened materials where other bits would fail.

The CRAFTSMAN Gold Oxide Drill Bit Set comes in a metal carrying case that is 8.2 inches long and 0.7 inches wide, so it takes up minimal space on a shelf. Its total weight is half a pound. The gold oxide coating is noted for corrosion resistance, which can promote longer bit life.

This is a 14-piece set, which is smaller than many competitors like the 29-piece DEWALT Titanium set. You are getting a compact kit, not an expansive assortment. The split point design is described as providing precise hole placement and clean, burr-free holes in wood, plastic, or metal.

Engineered with M35 cobalt steel for superior heat and wear resistance, this 99-piece set is built for shops regularly tackling stainless steel and hardened alloys. Its gold oxide finish reduces friction, while the dual-flute design clears debris to decrease heat buildup, which helps preserve sharpness during tough jobs. The set includes both round and tri-flat shanks, covering sizes from 1/16″ to 3/8″, providing a wide array for metal fabrication and repair work. A partitioned storage case with a clear index keeps bits organized and easy to find.

The jobber length of these bits may not reach into deep cavities like some longer specialty bits. For work mostly in wood or light-gauge metal, a smaller, more focused set would be less overwhelming and take up less bench space.

The red helix on these bits is the standout feature, designed to aggressively clear debris from the hole. That means less heat buildup and fewer times you have to back the bit out to clean it, which keeps your drilling rhythm steady. This set is a solid choice for the DIYer or pro tackling mixed materials like wood, plastic, and thin metal where clogging can be a nuisance. The heavy-duty design and precision tip give you confidence for clean, accurate holes across a variety of common jobs.

For general shop and home drilling, the Milwaukee Shockwave set’s red helix design clears debris quickly, which helps prevent bits from binding and lets you complete holes faster. Its innovative tip is noted for precise starts. While expert tests on stainless steel excluded non-cobalt bits like a different Milwaukee model, this 23-piece set is described as heavy-duty for all drilling applications.

With 99 bits covering 14 sizes from 1/16 to 3/8 inch, this set eliminates the guesswork for most common drilling tasks in metal, wood, or drywall. The titanium nitride coating is the key, acting like a permanent lubricant that keeps the high-speed steel cutting cleaner for longer. It’s a logical fit for the home workshop where you need a bit for every occasion and appreciate having them all in one organized case. You get a lot of drill bit for your money, which is exactly what a pragmatic DIYer wants.

The trade-off is portability. At 2.2 pounds and in an 8.7-inch tall case, this isn’t a kit you toss in a pocket. It’s a bench or shelf organizer. For focused metalwork, a dedicated set like the SEDIANAS M35 Cobalt might offer better performance on hardened steels. But if your projects jump from hanging drywall to building a bench, the Hi-Spec set’s material versatility and sheer count mean you’ll likely have the right bit on hand. This saves a second trip to the store.

The GuardPro Cobalt Drill Bit Set includes 29 fractional sizes from 1/16-inch to 1/2-inch. This selection provides multiple incremental steps between common sizes. According to the manufacturer, the set is intended for drilling stainless steel, plastic, and wood.

The set only includes fractional-inch sizes, so it lacks metric bits. Its 135-degree split point is designed for self-centering to prevent walking on the material surface. A high-speed steel construction with a black and gold oxide finish aims to increase corrosion and wear resistance.