Four-edge cross drill bits, also known as four-flute cross drill bits, are specialized cutting tools designed for precision drilling in a variety of materials, including wood, metal, concrete, and masonry. Their unique four-edge design enhances stability, reduces vibration, and improves chip evacuation, making them ideal for both professional and DIY applications. Over the years, leading tool manufacturers have developed a wide range of models tailored to specific drilling needs, from lightweight household tasks to heavy-duty industrial projects. In this comprehensive guide, we will explore the key models from top brands, detailing their specifications, features, and ideal use cases.

Bosch, a globally renowned leader in power tools and accessories, offers a diverse lineup of four-edge cross drill bits known for their durability, precision, and versatility. The brand’s models are engineered with advanced materials and innovative designs to deliver consistent performance across different materials.

The Bosch Professional 2608587367 is a premium four-edge cross drill bit designed for heavy-duty drilling in concrete, brick, and stone. Crafted from high-quality carbide, this bit features a reinforced four-edge geometry that ensures maximum stability during high-impact drilling, reducing the risk of breakage even under intense pressure. The carbide tip is precision-ground to deliver sharp, clean cuts, while the flutes are optimized for efficient chip removal, preventing clogging and ensuring smooth drilling progress.

This model is available in a range of diameters, from 6mm to 16mm, and lengths from 100mm to 200mm, making it suitable for various depth requirements. It is compatible with most electric hammers and rotary hammers, including Bosch’s own Professional series tools. The bit’s shank is designed with a SDS-Plus connection, a standard in the industry for secure attachment and quick changes, minimizing downtime during projects.

One of the standout features of the 2608587367 is its special anti-overheating coating, which reduces friction and dissipates heat effectively, extending the bit’s lifespan. This coating also enhances wear resistance, making the bit suitable for prolonged use in tough materials. Whether used in construction sites, renovation projects, or masonry work, this Bosch model is praised for its reliability and long-lasting performance.

For lighter tasks and DIY enthusiasts, the Bosch Home and Garden 2608587206 is an excellent choice. This four-edge cross drill bit is designed for drilling in wood, plastic, and soft metals, offering a balance of affordability and performance. Constructed from high-speed steel (HSS), the bit is flexible enough to handle less demanding materials while maintaining sharpness over time.

The 2608587206 features a four-edge design that provides better centering accuracy compared to standard two-flute bits, reducing the need for pre-drilling and ensuring precise hole placement. The flutes are designed with a spiral pattern that efficiently removes chips, preventing jamming and ensuring smooth drilling. This model is available in diameters ranging from 3mm to 10mm and lengths from 60mm to 120mm, making it ideal for household projects such as installing shelves, assembling furniture, or drilling holes for wiring.

The shank of this bit is a standard cylindrical design, compatible with most corded and cordless drills. It does not require specialized tools, making it accessible for users with basic drilling equipment. The HSS construction ensures that the bit remains sharp even after repeated use on soft materials, and its corrosion-resistant finish adds to its durability. For DIYers looking for a reliable, easy-to-use four-edge drill bit for everyday tasks, the Bosch Home and Garden 2608587206 is a top contender.

DeWalt, a brand synonymous with ruggedness and professional-grade tools, offers a range of four-edge cross drill bits designed to meet the demands of construction professionals, mechanics, and serious DIYers. DeWalt’s models are known for their robust construction, advanced cutting technologies, and compatibility with high-powered tools.

The DeWalt DW5207 is a comprehensive set of four-edge cross drill bits designed for drilling in concrete, masonry, and stone. This set includes multiple diameters, typically 6mm, 8mm, 10mm, 12mm, and 16mm, each with a length of 160mm, providing versatility for various project needs. Each bit in the set is constructed with a carbide tip fused to a high-strength steel body, combining the hardness of carbide for cutting with the toughness of steel for impact resistance.

The four-edge design of the DW5207 bits features a unique chisel tip geometry that allows for fast penetration into hard materials, reducing drilling time and effort. The flutes are engineered with a wide spiral pattern that enhances chip evacuation, ensuring that debris is quickly removed from the hole, preventing overheating and improving efficiency.

These bits are compatible with SDS-Plus hammer drills, a common feature in professional settings, ensuring secure attachment and minimal slippage during high-impact drilling. The carbide tips are precision-sharpened to maintain their cutting edge, even after extended use on abrasive materials like concrete. Additionally, the bits are coated with DeWalt’s proprietary Black Oxide finish, which provides corrosion resistance and reduces friction, further extending their lifespan.

The DW5207 set comes in a durable storage case, keeping the bits organized and protected when not in use. This set is a favorite among construction workers and contractors who require reliable performance in demanding environments, as it consistently delivers clean, precise holes with minimal effort.

While many four-edge cross drill bits are designed for masonry or wood, DeWalt’s DWA1240 is specifically engineered for drilling in metal, including steel, aluminum, and cast iron. This bit is part of DeWalt’s Extreme Metal series, which focuses on delivering high performance in metalworking applications.

Constructed from cobalt steel, the DWA1240 offers superior heat resistance compared to standard HSS bits, making it suitable for drilling in hard metals that generate high levels of friction. The four-edge design ensures that pressure is distributed evenly across the cutting surface, reducing vibration and improving accuracy, which is crucial when working with metal to avoid damaging the material or the bit.

The bit features a split-point tip that eliminates the need for center punching, allowing for quick and precise starting without slipping. The flutes are designed with a parabolic shape that enhances chip removal, preventing chips from clogging the hole and ensuring smooth drilling. The DWA1240 is available in diameters from 4mm to 12mm and lengths from 75mm to 150mm, catering to various metal thicknesses and depth requirements.

To further enhance performance, the DWA1240 is coated with TiAlN (Titanium Aluminum Nitride), a hard ceramic coating that reduces friction, resists wear, and extends the bit’s lifespan. This coating also helps to dissipate heat, preventing the bit from overheating during prolonged use. Compatible with most standard drills and drill presses, this DeWalt model is a go-to choice for mechanics, metal fabricators, and DIYers working on metal projects.

Makita, a Japanese manufacturer known for its precision engineering and innovative tool designs, offers a range of four-edge cross drill bits that combine performance and durability. Makita’s models are designed to work seamlessly with their own power tools, as well as other leading brands, making them a versatile choice for professionals and enthusiasts alike.

The Makita B-65399 is a high-performance four-edge cross drill bit designed for drilling in concrete, brick, and masonry. This bit is part of Makita’s Professional series, which is engineered for heavy-duty use in construction and renovation projects. Constructed with a tungsten carbide tip brazed to a high-quality steel shank, the B-65399 offers exceptional hardness for cutting through tough materials and the toughness to withstand repeated impacts.

The four-edge geometry of the B-65399 is optimized for fast drilling speeds, with each edge working in tandem to break up material efficiently. The tip is designed with a chisel shape that allows for quick penetration, while the flutes feature a spiral design that ensures effective chip removal, keeping the hole clean and reducing the risk of jamming.

This model is available in diameters ranging from 5mm to 20mm and lengths from 110mm to 250mm, making it suitable for both shallow and deep drilling tasks. It features an SDS-Plus shank, which is compatible with most rotary hammers, including Makita’s HR2631F and HR2470 models. The SDS-Plus connection ensures a secure fit and allows for easy, one-handed bit changes, improving workflow efficiency.

The B-65399 is coated with a special wear-resistant layer that protects against abrasion and corrosion, extending the bit’s service life. Users praise this model for its consistent performance in harsh conditions, noting that it maintains its sharpness even after drilling hundreds of holes in concrete. Whether used in commercial construction or home renovation, the Makita B-65399 is a reliable choice for masonry drilling.

For woodworking applications, the Makita D-46283 four-edge cross drill bit is designed to deliver clean, precise holes in hardwood, softwood, and plywood. This bit is part of Makita’s Wood Drilling series, which focuses on minimizing splintering and ensuring smooth cuts in wood materials.

Constructed from high-speed steel (HSS) with a titanium coating, the D-46283 offers excellent durability and wear resistance. The titanium coating reduces friction, allowing the bit to glide through wood with less effort, while also preventing overheating and extending the bit’s lifespan. The four-edge design features sharp cutting edges that slice through wood fibers cleanly, reducing splintering on both the entry and exit sides of the hole.

The flutes of the D-46283 are designed with a deep spiral pattern that efficiently removes wood chips, preventing clogging and ensuring continuous drilling. This model is available in diameters from 3mm to 16mm and lengths from 50mm to 200mm, making it suitable for a wide range of woodworking projects, from furniture making to cabinet installation.

The shank of the D-46283 is a standard round shank, compatible with most corded and cordless drills, as well as drill presses. It does not require any special adapters, making it easy to use with existing tools. Woodworkers appreciate this bit for its precision and the clean finish it provides, eliminating the need for post-drilling sanding or touch-ups. For anyone working with wood, the Makita D-46283 is a high-quality four-edge drill bit that delivers consistent results.

Hilti, a Swiss company specializing in professional tools and construction solutions, is renowned for its high-performance drilling accessories, including four-edge cross drill bits. Hilti’s models are engineered with advanced technologies to meet the most demanding industrial standards, making them a top choice for professionals in construction, mining, and infrastructure development.

The Hilti TE-CX is a premium four-edge cross drill bit designed for extreme performance in concrete, reinforced concrete, and masonry. Part of Hilti’s TE-C series, which is known for its durability and efficiency, the TE-CX is built to handle heavy-duty drilling tasks in the toughest materials.

The TE-CX features a unique four-edge carbide tip that is brazed to a high-strength steel body using Hilti’s proprietary Hardened Core Technology, ensuring maximum bond strength and resistance to impact. The carbide tip is engineered with a special grain structure that enhances wear resistance, allowing the bit to maintain its cutting edge even when drilling through rebar and aggregate-rich concrete.

The four-edge geometry of the TE-CX is optimized for fast penetration and reduced vibration, improving operator comfort during extended use. The flutes are designed with a large cross-sectional area and a steep spiral angle, which promotes efficient chip evacuation, preventing the buildup of debris that can slow down drilling and cause overheating.

This model is available in a wide range of diameters, from 4mm to 32mm, and lengths from 80mm to 600mm, making it suitable for everything from shallow holes to deep drilling in thick concrete structures. It features an SDS-Plus shank, which is compatible with Hilti’s TE 30 and TE 40 rotary hammers, as well as other SDS-Plus compatible tools.

The TE-CX is coated with Hilti’s TECNOX coating, a multi-layered finish that provides exceptional corrosion resistance and reduces friction, extending the bit’s lifespan by up to 50% compared to uncoated bits. Professionals rely on the TE-CX for its ability to deliver consistent performance in high-stress environments, making it a staple on construction sites around the world.

For specialized masonry applications, the Hilti TE-YX four-edge cross drill bit is designed to excel in brick, stone, and block. This model is part of Hilti’s TE-Y series, which is tailored to the unique challenges of masonry drilling, such as varying material densities and porous structures.

The TE-YX features a four-edge carbide tip with a chisel-shaped design that allows for efficient material removal in soft to medium-hard masonry. The carbide is formulated to be tough yet sharp, ensuring that it can cut through brick and stone without chipping or breaking. The steel shank is heat-treated for added strength, making it resistant to bending and fatigue during prolonged use.

The flutes of the TE-YX are designed with a wide, open spiral that effectively removes dust and debris from the hole, which is crucial in masonry drilling to prevent clogging and maintain drilling speed. The bit’s four-edge design also provides better stability, reducing the risk of wandering and ensuring precise hole placement, which is important for tasks like installing anchors or fasteners.

Available in diameters from 6mm to 20mm and lengths from 100mm to 300mm, the TE-YX is compatible with SDS-Plus rotary hammers, including Hilti’s TE 20 and TE 25 models. It is coated with a wear-resistant finish that protects against rust and abrasion, ensuring long-term reliability. Masonry professionals praise the TE-YX for its consistent performance and ability to deliver clean, accurate holes in a variety of masonry materials.

Irwin Tools, a brand with a long history of innovation in cutting tools, offers a range of four-edge cross drill bits designed for both professional and consumer use. Irwin’s models are known for their affordability, reliability, and user-friendly features, making them a popular choice for DIYers and contractors alike.

The Irwin 3018002 is a versatile set of four-edge cross drill bits designed for drilling in wood, metal, and plastic. This set includes six bits with diameters ranging from 3mm to 10mm, making it suitable for a wide range of household and light professional projects. Each bit is constructed from high-speed steel (HSS) with a titanium nitride (TiN) coating, which enhances hardness, reduces friction, and extends the bit’s lifespan.

The four-edge design of the 3018002 bits features a precision-ground tip that ensures accurate starting and clean cuts in all materials. The flutes are designed with a spiral pattern that efficiently removes chips, preventing clogging and ensuring smooth drilling. In wood, these bits minimize splintering, while in metal, they reduce burring, resulting in professional-looking results.

The bits in the 3018002 set feature a standard round shank, compatible with most corded and cordless drills. They are also suitable for use with drill presses, providing added stability for more precise drilling tasks. The TiN coating gives the bits a gold color, making them easy to identify in a toolbox, and it also provides corrosion resistance, ensuring that the bits remain in good condition even when stored in damp environments.

The set comes in a durable plastic case with labeled compartments, keeping the bits organized and easy to access. DIYers appreciate the Irwin 3018002 set for its affordability and versatility, as it eliminates the need to purchase separate bits for different materials. Whether drilling holes for shelves, assembling furniture, or working on small metal projects, this set delivers consistent performance at a budget-friendly price.

For concrete and masonry drilling, the Irwin 4935896 four-edge cross drill bit is a reliable option designed to handle tough materials. This bit is part of Irwin’s Concrete Drill series, which focuses on delivering performance in hard materials without the high cost of premium brands.

Constructed with a carbide tip brazed to a high-strength steel shank, the 4935896 offers the hardness needed to cut through concrete and brick while maintaining the toughness to withstand impact. The four-edge carbide tip is designed with a chisel shape that allows for fast penetration, reducing drilling time and effort. The flutes are engineered with a spiral pattern that enhances chip evacuation, ensuring that debris is quickly removed from the hole to prevent overheating and jamming.

This model is available in diameters from 6mm to 16mm and lengths from 100mm to 200mm, making it suitable for various depth requirements in concrete and masonry. It features an SDS-Plus shank, compatible with most rotary hammers, ensuring secure attachment and easy changes. The shank is also designed to absorb some of the impact during drilling, reducing vibration and improving operator comfort.

The 4935896 is coated with a black oxide finish that provides corrosion resistance and reduces friction, extending the bit’s lifespan. While it may not offer the same level of performance as premium brands like Hilti or Bosch, the Irwin 4935896 is a cost-effective option for occasional concrete drilling tasks, such as installing wall anchors, mounting fixtures, or DIY home renovations.

Milwaukee Tool, a brand known for its rugged, professional-grade tools, offers a range of four-edge cross drill bits designed for heavy-duty applications. Milwaukee’s models are engineered with advanced materials and technologies to deliver maximum performance and durability in the most demanding work environments.

The Milwaukee 48-20-5260 is a high-performance four-edge cross drill bit designed for drilling in concrete, masonry, and stone. Part of Milwaukee’s Red Helix series, this bit is engineered with a unique flute design that increases chip removal by up to 20%, ensuring faster drilling speeds and reduced downtime.

Constructed with a carbide tip fused to a high-strength steel body, the 48-20-5260 offers exceptional wear resistance and impact strength, making it suitable for heavy-duty use in construction and industrial settings. The carbide tip is precision-ground to a sharp chisel point, allowing for quick penetration into hard materials, while the four-edge geometry provides stability and reduces vibration during drilling.

This model is available in diameters from 6mm to 20mm and lengths from 150mm to 300mm, catering to various depth requirements. It features an SDS-Plus shank, compatible with Milwaukee’s M18 FUEL rotary hammers, as well as other SDS-Plus compatible tools. The shank is designed with a secure locking mechanism that prevents slippage during high-impact drilling, ensuring safe and efficient operation.

The 48-20-5260 is coated with Milwaukee’s proprietary Black Oxide finish, which provides corrosion resistance and reduces friction, extending the bit’s lifespan. It also features a reinforced neck design that increases durability in the critical area where the shank meets the flute, reducing the risk of breakage. Professionals trust the Milwaukee 48-20-5260 for its consistent performance and ability to handle the toughest drilling tasks with ease.

For metalworking applications, the Milwaukee 48-89-2330 four-edge cross drill bit is designed to deliver precision and durability in steel, aluminum, and other metals. This bit is part of Milwaukee’s Cobalt Steel series, which features a high cobalt content (8%) for superior heat resistance and wear resistance compared to standard HSS bits.

The four-edge design of the 48-89-2330 ensures even pressure distribution across the cutting surface, reducing vibration and improving accuracy, which is essential for drilling in metal to avoid damaging the material or the bit. The tip is designed with a split point that eliminates the need for center punching, allowing for quick and precise starting without slipping.

The flutes are engineered with a parabolic shape that enhances chip removal, preventing chips from clogging the hole and ensuring smooth drilling. This model is available in diameters from 3mm to 12mm and lengths from 75mm to 150mm, making it suitable for various metal thicknesses and depth requirements.

The 48-89-2330 is coated with TiAlN (Titanium Aluminum Nitride), a hard ceramic coating that reduces friction, resists wear, and extends the bit’s lifespan. This coating also helps to dissipate heat, preventing the bit from overheating during prolonged use in metal. The bit features a round shank that is compatible with most standard drills and drill presses, making it versatile enough for use in both professional shops and home workshops.

Metal fabricators and mechanics praise the Milwaukee 48-89-2330 for its ability to maintain sharpness even after repeated use on hard metals, delivering clean, precise holes with minimal effort. Whether used for drilling through steel plates, aluminum extrusions, or cast iron, this bit is a reliable choice for demanding metalworking applications.

Four-edge cross drill bits are essential tools in any toolkit, offering superior stability, precision, and efficiency compared to traditional two-flute bits. The models explored in this guide, from top brands like Bosch, DeWalt, Makita, Hilti, Irwin, and Milwaukee, cater to a wide range of applications, from lightweight DIY tasks to heavy-duty industrial projects. Each model is engineered with specific materials, coatings, and designs to excel in particular materials, whether wood, metal, concrete, or masonry.

When choosing a four-edge cross drill bit, it is important to consider the material being drilled, the required hole diameter and depth, and the type of drill or hammer being used. Premium models from brands like Hilti and Bosch offer advanced features and durability for professional use, while more affordable options from Irwin and Milwaukee provide reliable performance for DIYers and occasional use. By selecting the right model for the task at hand, users can ensure efficient, precise, and long-lasting drilling performance, making their projects safer and more successful. Whether you are a construction professional, a woodworker, a metal fabricator, or a DIY enthusiast, there is a four-edge cross drill bit model designed to meet your specific needs, ensuring that you can tackle any drilling task with confidence.