Best Drill Bits Made for Every Project
Choosing the right drill bits can dramatically improve hole quality, reduce wear, and extend tool life. This guide highlights five top-rated, durable sets that span woodworking, metalwork, and general purpose drilling. Each option comes from trusted brands and emphasizes common-sense features such as coatings, point geometry, and shank design. Read on for concise product snapshots, then a detailed buying guide to help you match capabilities to tasks and tools.
| Product | Brand | Key Feature |
|---|---|---|
| DEWALT DWA1184 14-Piece | DEWALT | 135° split point; 3-flats shank |
| DEWALT DW1361 21-Piece | DEWALT | Titanium Nitride coating; starts on contact |
| BOSCH CO14B 14-Piece | Bosch | Cobalt M42; 8% cobalt for durability |
| Norseman 44170 Ultra Dex 29-Piece | Norseman | 135° split point; precision-ground |
| Drill America KFD29J-PC 29-Piece | Drill America | HSS; black & gold finish; rounded case |
DEWALT DWA1184 14-Piece Drill Bit Set
The DEWALT DWA1184 set features a 3-flats shank design, which promotes better chuck grip and avoids slipping in high-torque applications. Its 135-degree split point minimizes walking on contact, helping users start holes cleanly in plastic, wood, and metal. Made from high-speed steel, these bits offer robust performance for casual carpentry and maintenance tasks. A tapered web design contributes to durability and reduces the likelihood of bit breakage under demanding use. This set serves general-purpose drilling with a focus on reliability and fit in common chucks.
Ideal for homeowners and professionals handling mixed material projects, the DWA1184 provides a straightforward, durable option without specialized coatings. The combination of split-point geometry and a rugged shank makes it a solid all-around choice for recurring drilling needs in workshops and job sites where fast, accurate entry is important.
DEWALT DW1361 Titanium Nitride Coated Drill Bit Set
The DW1361 set uses a Titanium Nitride (TiN) coating that reduces wear and heat buildup, extending bit life in metal and other tough materials. The pilot-point design starts cutting immediately on contact for cleaner holes and minimal walking. The shanks are designed to minimize spin in the chuck, supporting truer starts and easier bit alignment during high-speed drilling. These features collectively improve longevity and performance for metalworking and mixed-material projects where precision and repeatable results matter.
With its 21 pieces, this DEWALT set covers a broad range of common hole sizes, making it suitable for metal fabrication, DIY repairs, and general purpose drilling. The TiN coating helps manage heat during extended drilling sessions, contributing to more consistent hole quality in harder metals and stainless applications when paired with proper speed and lubrication.
BOSCH CO14B 14-Piece Cobalt M42 Set
The BOSCH CO14B set uses cobalt M42 alloy, delivering high heat resistance and outstanding wear life, especially in stainless steel, cast iron, and titanium workpieces. The 8% cobalt content significantly extends bit life compared with standard high-speed steel bits, making these bits well-suited for repetitive drilling in hard metals and other demanding tasks. The inclusion of a three-flat shank improves alignment and grip, reducing slippage in chucks and enabling more consistent starts in challenging materials.
Designed for durability, this cobalt set addresses industrial and professional shop needs. The high-heat resistance and hardened surface development help maintain sharpness during extended drilling, enabling cleaner holes and longer service intervals for metalworking fleets, fabrication benches, and DIY metal projects alike.
Norseman 44170 Ultra Dex 29-Piece Drill Bit Set
The Norseman 44170 Ultra Dex Set is a 29-piece collection built around a 135-degree split-point design for self-centering and reduced wandering. The Ultra Dex designation signals precision-ground bits, with attention to point geometry, flute design, and overall body clearance to optimize accuracy and chip removal. Made from high-speed steel, the set emphasizes performance and durability across a wide size range, making it versatile for woodworking, metalworking, and mixed-material drilling tasks where accuracy matters.
Users who frequently switch between wood and metal will find value in the broad assortment and robust construction. The precision-ground features support consistent hole dimensions, while the 135-degree split point helps produce cleaner starts in hard or slippery materials, reducing the need for pilot holes or multiple passes on many projects.
DEWALT Cobalt Alloy Steel Drill Bit Set with Pilot Point, 14-Piece (DWA1240)
The DEWALT DWA1240 set combines cobalt alloy steel with a pilot-point design to improve hole quality and reduce wandering in difficult materials. A connectable storage system helps organize bits efficiently, while the patented bit-bar design allows easy removal and placement. The visible, clear-lid case makes it straightforward to locate sizes at a glance, supporting faster setup and reduced downtime in busy workshops. The cobalt content provides enhanced hardness and heat resistance for longer bit life in metal and stainless projects.
Designed for professional shop use as well as serious DIY work, this 14-piece set emphasizes organization and accessibility in addition to performance. The combination of cobalt alloy steel and pilot-point geometry supports cleaner starts, reduced drill fatigue, and better control across a wide range of drilling tasks, from light metal to hardwood applications when complemented by suitable speeds and feeds.
MACXCOIP Cobalt Drill Bit Set, 29Pcs
The MACXCOIP 29-piece set features M35 cobalt high-speed steel bits designed for hardened metals, stainless steel, cast iron, and harder aluminum alloys, as well as plastics and wood. A 135-degree point tip and twist design enable faster cutting with self-centering and reduced walk-off. The set includes a metal index storage box for organization and quick access. Quick and efficient drilling is supported by the cobalt composition, which enhances heat resistance and edge retention during challenging metal tasks and long sessions.
For workshops that frequently tackle stainless steel or hardened metal work, this set provides a robust option with broad size coverage from 1/16″ to 1/2″. Its self-centering tips and durable construction help maintain accuracy across repeated uses, making it a practical choice for manufacturing jobs, maintenance shops, and heavy-duty DIY projects.
Buying Guide
Selecting the right drill bits involves weighing material, coatings, point geometry, shank design, and the intended tasks. The following considerations help compare sets and choose the best fit for your toolkit.
- Material and coating: High-speed steel (HSS) provides general strength, while cobalt alloys (M42) and titanium nitride (TiN) coatings extend life in hard metals and high-heat environments. For stainless steel or titanium work, cobalt and TiN-coated bits are advantageous.
- Point geometry: Split-point and pilot-point designs improve centering and reduce walking on entry. 135-degree split points are common in metal and wood bits for better starts in tough materials.
- Shank design: Three-flat shanks improve chuck grip and reduce slippage in rapid-drill or high-torque applications. Hex shanks offer quick-change compatibility with some impact drivers.
- Size range and distribution: Check the included sizes to ensure coverage for your typical projects. Sets vary from compact 14-piece kits to larger 29-piece or 112-piece assortments, so pick a range that suits your needs.
- Case and organization: A sturdy, clearly labeled case helps with storage, size selection, and transport. Index boxes or bit-bars can speed up workflow in busy environments.
- Intended material and use: Wood, metal, stainless steel, and masonry each benefit from different bit compositions. For mixed-use shops, a balanced set with metal-focused bits plus wood bits is useful.
- Durability versus price: Cobalt and TiN-coated bits command higher prices but deliver longer life in demanding tasks. For occasional home projects, standard HSS sets may suffice.
- Compatibility: Ensure bit shanks fit your drill chuck type and whether you require accessories for quick-change or extended reach in dense materials.
When evaluating these five options, consider whether your typical tasks prioritize longevity (cobalt/M42 or TiN coatings), precision starts (split-point designs), or storage and organization (case quality and obvious accessibility). Each set reviewed here addresses common metalworking and carpentry needs, with trade-offs in cost, weight, and range. A balanced selection often includes one coating-focused option for metal work, plus a versatile general-purpose set for wood and light metals, ensuring readiness across project types.