Top Milwaukee SDS-Plus and SDS-Max Core Bits and Installation Kits
Selecting the right core bit for your rotary hammer is essential for achieving clean holes in masonry, concrete, and brick. Milwaukee offers a range of SDS-Plus and SDS-Max attachments designed to handle various drilling requirements, from thin-wall coring to specialized installation tasks. Whether you are a professional contractor or a dedicated DIY enthusiast, understanding the differences between these specialized bits and their corresponding accessories is critical for workspace efficiency. This guide breaks down the features of several key Milwaukee drilling products, focusing on their specific diameter, length, and intended application, helping you narrow down your search based on the technical specifications provided for each tool.
When working with SDS-Plus or SDS-Max systems, compatibility is the primary consideration. Using the correct core pin or installation kit ensures that your equipment operates as intended, reducing the risk of improper fitment or inefficient material removal. The following product breakdown highlights the unique design features of these bits, such as ejector holes for debris management or one-piece construction for durability. By reviewing these specific options, you can align your current project demands with the appropriate Milwaukee hardware, ensuring you select the tool that best fits your rotary hammer's connection type and your material requirements.

1. SDS-Plus Carbide Tipped Thin Wall Core Bit - 2-9/16" Diameter | 3" Working Length, With Two Ejector Holes for Easy Core Removal - DMAPLCC1060
This 2-9/16-inch diameter SDS-Plus carbide-tipped thin-wall core bit is designed for precision drilling in masonry applications. With a 3-inch working length, it is intended for shallower holes where a thin-wall profile is necessary. A standout design element of this bit is the inclusion of two dedicated ejector holes, which facilitate the removal of concrete cores after the drilling process is complete, potentially saving time during repetitive tasks. As a carbide-tipped tool, it is engineered to withstand the rigors of drilling through hard materials. Users have rated this bit highly, reflecting its utility in standard SDS-Plus compatible rotary hammers. It serves as a specialized solution for those requiring a specific diameter and short depth for their masonry projects.
Best for: Shallow masonry drilling requiring core removal.
Check on AmazonHighlights
- 2-9/16-inch diameter
- 3-inch working length
- Two ejector holes for debris removal
- Carbide-tipped construction
Keep in mind
- Limited to shallow drilling depths
- May not be suitable for thick concrete slabs

2. Electric - SDS-MAX AND SPLINE THICK WALL CARBIDE TIPPED CORE
Designed for heavy-duty drilling, this electric SDS-Max and Spline thick-wall carbide-tipped core bit is built for durability. The thick-wall construction is typically used for more aggressive drilling applications where bit integrity under high torque is required. Because it is compatible with both SDS-Max and Spline drive systems, it offers versatility for users who switch between different heavy-duty rotary hammers. The carbide tips are intended to maintain sharpness when contacting abrasive masonry materials. With a perfect rating, this bit is recognized for its robust build quality. It is a reliable choice for professional settings where drilling larger holes in concrete or stone is a frequent requirement, provided the user has a compatible heavy-duty rotary hammer tool.
Best for: Heavy-duty drilling with SDS-Max or Spline hammers.
Check on AmazonHighlights
- Thick-wall construction
- Carbide-tipped for longevity
- Compatible with SDS-Max and Spline drives
- High user satisfaction rating
Keep in mind
- Requires heavy-duty hammer capability
- May be heavier than thin-wall alternatives

3. Sds Plus Core Pin, 1-3/4 To 4 In., Silver (48-20-6155)
The 48-20-6155 core pin is an essential accessory for SDS-Plus core bits ranging from 1-3/4 inches to 4 inches in diameter. Serving as the centering point for the core bit, this pin allows for accurate hole placement, which is critical when working with larger diameter bits. Its silver finish and specific compatibility with the SDS-Plus system make it a necessary component for maintaining precision during the initial stages of drilling. Given the perfect user rating, it is a trusted part for professionals who need to ensure their core bits remain stable and correctly positioned. This pin effectively acts as a pilot, helping to guide the core bit into the material without wandering, thus ensuring a cleaner and more professional-looking finished hole.
Best for: Centering SDS-Plus core bits during initial drilling.
Check on AmazonHighlights
- Fits 1-3/4 to 4-inch diameter bits
- Essential for accurate hole placement
- SDS-Plus system compatible
- Perfect user rating
Keep in mind
- Not for use with non-SDS-Plus systems
- Limited to specific diameter ranges

4. 48-20-5414 SDS-Max 1-Piece Core 2-5/8" x 22"
The 48-20-5414 is a 1-piece SDS-Max core bit measuring 2-5/8 inches in diameter and 22 inches in length. The one-piece design is intended to provide increased stability and durability by eliminating the potential for joint failure between the bit and the shank. With a significant length of 22 inches, this bit is suitable for drilling through deeper sections of masonry or concrete. While it carries a lower rating compared to other items in the lineup, it remains a specific solution for deep-hole applications requiring an SDS-Max connection. Users should ensure their rotary hammer has the appropriate power and torque to handle a bit of this length and diameter to avoid excessive vibration or binding during operation.
Best for: Deep-hole drilling in masonry using SDS-Max hammers.
Check on AmazonHighlights
- 2-5/8-inch diameter
- 22-inch total length
- One-piece construction for durability
- SDS-Max connection type
Keep in mind
- Lower user rating compared to others
- Requires significant hammer power

5. ELEC TOOL 48-20-7497 Tapcon SDS Install Kit,
The 48-20-7497 Tapcon SDS Install Kit is a specialized accessory bundle designed to streamline the installation of Tapcon masonry fasteners. This kit is built for users who frequently need to drill pilot holes and drive fasteners into concrete or brick using an SDS system. By providing an integrated solution, it reduces the need to switch between multiple tools, which can significantly improve speed on job sites. The kit has received a solid rating, indicating that it performs its intended function effectively. It is a practical addition for contractors or installers who rely on the efficiency of the Tapcon system and want to maintain a consistent workflow when working with masonry anchors and fasteners.
Best for: Installing Tapcon masonry fasteners efficiently.
Check on AmazonHighlights
- Integrated installation solution
- Compatible with SDS systems
- Speeds up fastener workflow
- Reliable performance rating
Keep in mind
- Specific to Tapcon fastener systems
- Not a general-purpose drilling tool
How to choose
Drive System Compatibility
When selecting a Milwaukee core bit, verify the shank type required for your rotary hammer. The SDS-Plus system is designed for lighter-duty masonry work, while SDS-Max and Spline systems are engineered for heavy-duty, industrial-grade drilling. Ensure the bit shank matches your tool's chuck to prevent mechanical failure. Mismatched components will not seat correctly and may damage the tool or the bit. Review your rotary hammer's manual to confirm compatibility before purchasing specific bits or installation kits.
Wall Thickness Specifications
Milwaukee manufactures both thin-wall and thick-wall carbide-tipped core bits. Thin-wall options, such as the 2-9/16-inch diameter model, are optimized for specific drilling applications where weight and speed are prioritized. Conversely, thick-wall carbide-tipped core bits are built for high-torque tasks that require increased structural integrity during deep drilling. Selecting the correct wall profile ensures the bit can withstand the rotational force and impact energy delivered by your hammer drill without deforming or failing during operation.
Core Removal Features
Efficient debris management is critical for continuous operation. Look for core bits featuring integrated ejector holes, which facilitate the removal of concrete cores after drilling. For larger drilling diameters ranging from 1-3/4 inches to 4 inches, specialized core pins are available to assist in the stabilization and extraction process. These accessories are essential for maintaining workflow speed and ensuring that the internal cavity remains clear of obstructions, allowing for consistent penetration depth in masonry materials.
Application-Specific Kits
Beyond individual bits, Milwaukee offers specialized installation kits, such as the Tapcon SDS install kit. These sets are designed to streamline specific fastening tasks by bundling the necessary components for precise anchor installation. These kits are ideal for users who perform repetitive masonry anchoring and require a verified set of tools that work in tandem. Always check the kit contents to ensure the included bits and accessories match the diameter and length requirements of your specific fasteners.
Size and Length Requirements
Core bits vary significantly in diameter and working length. Models such as the 2-5/8-inch by 22-inch 1-piece core bit are designed for extended reach, whereas smaller bits like the 2-9/16-inch diameter version with a 3-inch working length are better suited for shallower penetrations. Choosing the correct length prevents unnecessary vibration and keeps the bit stable during the initial plunge. Always measure the depth of your target material to ensure the bit provides sufficient reach without bottoming out the tool chuck.
Frequently asked questions
Can I use an SDS-Plus core bit on an SDS-Max rotary hammer?
SDS-Plus and SDS-Max are distinct drive systems. SDS-Plus bits are designed for lighter rotary hammers, while SDS-Max is a larger, more robust interface for heavy-duty tools. You generally cannot interchange these bits without a specific adapter, which may limit performance. Always match the bit shank to the specific chuck of your rotary hammer to ensure safe operation and optimal power transfer.
What is the purpose of the ejector holes on the thin-wall core bit?
The ejector holes are engineered to simplify the removal of the masonry core from the bit after drilling. By allowing air to pass through and providing access to the interior of the bit, these holes prevent the core from becoming stuck due to suction or compacted debris. This feature is particularly useful for thin-wall bits, helping to maintain efficiency during repetitive drilling tasks in concrete or block.
Do I need a core pin for my SDS-Plus core bit?
A core pin is a beneficial accessory for bits ranging from 1-3/4 inches to 4 inches in diameter. It helps stabilize the bit during the starting process and aids in the overall core removal workflow. If you are performing drilling within this size range, using the appropriate core pin can improve alignment and ensure the resulting hole is consistent with your project requirements.
Are Tapcon installation kits compatible with all masonry drills?
The Tapcon SDS install kit is specifically configured for use with SDS-compatible rotary hammers. While the bits included are designed for masonry anchors, the shank must still match your hammer's chuck type. Always verify that your tool uses the SDS interface before attempting to use these specialized installation kits, as they are optimized for the torque and impact characteristics of dedicated rotary hammer drills.
Why is there a rating difference between various Milwaukee core bits?
Ratings on Amazon reflect the collective feedback from users regarding their specific experiences with a product. Differences in ratings can stem from how well a specific bit met the user's expectations for durability, ease of use, or performance in a particular material. Always review the specific product name and technical specifications, such as diameter and shank type, to ensure the tool is suited for your intended application.
Bottom line
When selecting the best Milwaukee SDS-Plus core bit, the SDS-Plus Carbide Tipped Thin Wall Core Bit (DMAPLCC1060) stands out for users requiring a balance of precision and material removal efficiency. Its inclusion of dual ejector holes specifically addresses the common frustration of core extraction, making it highly effective for standard masonry drilling. For users tackling larger diameter holes between 1-3/4 and 4 inches, the 48-20-6155 Core Pin is an essential companion to ensure stability and accuracy. Conversely, if your project demands heavy-duty performance, the Electric SDS-MAX thick wall carbide-tipped bits offer the necessary structural durability for tougher, high-torque applications. Each of these components is engineered to integrate seamlessly into Milwaukee's broader ecosystem of masonry drilling tools.
Deciding which core bit to purchase requires a clear assessment of your rotary hammer's chuck system and the specific diameter of the holes required. First, confirm whether your tool is SDS-Plus or SDS-Max, as these are not interchangeable. Second, evaluate the depth of your material; thin-wall bits are excellent for standard depths, while larger, longer bits are necessary for deep penetrations. If you are performing specific fastening work, such as installing Tapcon anchors, prioritize the dedicated install kits to ensure you have the correct accessories. By matching the bit’s wall thickness, shank type, and length to your specific rotary hammer and project requirements, you ensure both safety and operational efficiency.

