Best Spline Rotary Hammer Drill Bits of 2025

The DEWALT Concrete Drill Bit for Rotary Hammer with spline shank is a durable and efficient tool for drilling into concrete. Its carbide tip design provides longer bit life, while the U-flute helps clean debris for faster drilling. The open head design channels dust into flutes for quicker drilling.

The Dewalt High Impact Bit is designed for durability and efficiency. Its ROCK CARBIDE tip enhances surface contact, ensuring the bit lasts longer during tough jobs. The four-flute design promotes faster material removal, allowing you to drill quicker and with less hassle. Additionally, the concave head helps dust enter the flute chambers swiftly, which can extend the bit's lifespan. With a hardened core, this bit minimizes the risk of breakage, giving you confidence while you work. It’s compatible with all brands of Spline Rotary Hammers, including Dewalt and Bosch, making it a versatile choice for your drilling needs.

The MOLLIFII Rotary Hammer Bit is designed for heavy-duty drilling tasks. With a diameter of 1/2 inch and an overall length of 16 inches, this bit is perfect for penetrating tough materials. The spline shank provides a secure fit, ensuring stability during operation, which enhances your control and precision. Featuring two cutting edges, this bit efficiently removes debris while drilling, making your work faster and easier. This rotary hammer drill bit is a reliable choice for both professionals and DIY enthusiasts looking to tackle challenging projects.

The DEWALT Rotary Drill Bit is designed to make your drilling tasks easier and more efficient. The high impact tip ensures that the bit lasts longer by maximizing carbide contact. Its open head design helps channel dust away, keeping your work area cleaner and speeding up the drilling process. Additionally, the longer helix four flute design removes material faster, allowing for quicker drilling. This drill bit is perfect for those who need reliable performance and efficiency in their concrete drilling projects.

This DEWALT Concrete Drill Bit is designed for Rotary Hammer Drill Bits. Its high impact tip maximizes carbide surface contact, which extends the bit life. The open head design channels dust into flutes for quicker drilling, while the longer helix four flute design expedites mill removal for an even faster drilling speed.

The BOSCH Hammer Steel is perfect for heavy-duty demolition and rotary hammer tasks. Its spline-drive design allows you to remove large amounts of material efficiently. The one-piece construction ensures durability and reliability during tough jobs. With a total length of 12 inches, it provides ample reach for various applications. This tool is a part of BOSCH's extensive range of round hex/spline hammer steel points and chisels, ensuring you have the right tool for the job.

The Makita Spline Bit is designed specifically for drilling into reinforced concrete. Its six-cutter tip allows you to tackle tough materials with ease. You will appreciate the aggressive centering tip, which helps you start holes quickly and efficiently. With its central guiding action, this bit ensures more precise hole placement, making your drilling tasks smoother. The aggressive head geometry further enhances its performance in concrete, while reducing vibration for a more comfortable user experience. This tool is a reliable choice for anyone looking to improve their drilling efficiency.

The BOSCH HC4511 Spline Speed-X Rotary Hammer Bit is a powerful and durable tool designed for concrete drilling. With its carbide tipped bit head, this hammer bit is harder, tougher, and more resistant to extreme loads, ensuring long-lasting performance. The 1/2-Inch diameter and 8-Inch usable length make it suitable for a variety of drilling tasks. Whether you're working on a construction project or simply need to drill holes in concrete, this rotary hammer bit is up to the task. The carbide tipped head provides excellent strength and durability, allowing you to drill through tough materials with ease. The BOSCH HC4511 Spline Speed-X Rotary Hammer Bit is a reliable and efficient tool that will help you get the job done quickly and effectively.

The DEWALT Concrete Drill Bit for Rotary Hammer features a carbide tip design for longer bit life and maximizes carbide surface contact. The U-flute design helps to clean debris out for fast and efficient drilling, while the open head design channels dust into flutes for quicker drilling. The ROCK CARBIDE tip also ensures longer bit life.

The MOLLIFII Rotary Hammer Bit is designed to enhance your drilling experience with its 3/8-inch diameter and 13-inch overall length. Its spline shank shape offers a secure fit, ensuring stability and precision while you work. With two cutting edges, this bit efficiently penetrates hard materials, making it ideal for heavy-duty tasks. Whether you’re tackling concrete or masonry, this rotary hammer drill bit provides the power and durability needed to complete your projects with ease.