Simpson SDS-Max Core Bit with Centering Bit 4 in x 22 in is a heavy-duty carbon steel core bit from Simpson designed for accurate, efficient core drilling through concrete walls, floors, slabs, and stone masonry. Built for use in combination hammer/drill mode with SDS-Max compatible rotary hammers, this one-piece core bit includes an integrated centering bit that keeps the cut aligned from first contact - making it a dependable choice for professionals who need precise, cylindrical holes in tough materials.

Key Features

• Carbon steel construction - provides the strength and durability needed to stand up to demanding core drilling applications in concrete and stone
• Integrated centering bit - guides the core bit from the moment it contacts the surface, ensuring accurate hole placement and straight, consistent cuts
• SDS-MAX shank style - connects securely to SDS-Max compatible rotary hammers for efficient power transfer in combination hammer/drill mode
• One-piece design - simplifies setup and reduces the chance of misalignment, keeping workflow efficient on the job site
• Compatible with diamond core drills - expands versatility by pairing with diamond core drilling equipment for precision cutting tasks in stone and concrete
• 22 in. overall length - accommodates a broad range of core drilling depths, giving professionals flexibility across wall, floor, and slab applications

Why This Product

• Precision built into every cut - the included centering bit takes the guesswork out of hole placement, helping users drill accurately without time-consuming repositioning or pilot drilling
• Ready for heavy rotary hammer use - the SDS-MAX shank is engineered specifically for high-torque rotary hammers, making this core bit a natural fit for professionals already working with SDS-Max tooling
• Versatile across concrete and masonry applications - whether cutting through concrete slabs, floors, walls, or stone masonry, this bit covers the core drilling tasks most commonly encountered on commercial and residential job sites
• Sourced from a trusted name in structural fastening and anchoring - Simpson brings the same commitment to quality to this core bit that contractors rely on across a wide range of structural applications

Specifications

• Model Number: CBMX40022
• Description: SDS-max 4" x 22" core bit
• Diameter (in.): 4
• Drilling Depth: 6 3/4"
• Length (in.): 22
• Material: Carbon Steel
• Shank Style: SDS-MAX
• Country of Origin: Germany

Approved Applications

• Core drilling through concrete walls, floors, and slabs
• Cutting cylindrical holes through stone masonry
• Use in combination hammer/drill mode with compatible rotary hammers
• Pairing with diamond core drills for precision cutting tasks

Frequently Asked Questions

What shank type is required to use the CBMX40022 core bit?

This core bit features an SDS-MAX shank style, which is designed to connect with SDS-Max compatible rotary hammer tools. Always ensure your tool accepts an SDS-Max shank before use.

What is the drilling depth of this core bit?

The CBMX40022 has a drilling depth of 6 3/4 inches, while the overall length of the bit is 22 inches.

What materials can the CBMX40022 core bit cut through?

This core bit is effective when cutting cylinders out of stone or concrete. It is designed for use in combination hammer/drill mode and can be paired with diamond core drills for enhanced cutting performance.

What is the purpose of the centering bit included with this core bit?

The centering bit guides the core bit during drilling, allowing for accurate and easy-to-use drilling. It facilitates precise hole placement in combination hammer/drill mode, helping to keep the bit aligned from the start of the cut.