A front-facing studio photograph of the silver Bosch DBX4541E 4-1/2 inch segmented diamond blade, showing the X-LOCK mounting center and icons for cutting reinforced concrete, brick, and stone.
A close-up action photograph of a gloved worker using an X-LOCK equipped Bosch grinder with a dust guard to perform a precision cut on a concrete slab.
A worker wearing a hard hat, respirator, and safety glasses uses a Bosch grinder with a dust extraction shroud to cut a concrete block, emphasizing its use for heavy-duty tasks like cutting foundations.
A close-up image of a gloved hand holding a tool-free X-LOCK system, featuring text that encourages users to put the wrench on the bench because of the single lever wheel ejection.
An informational graphic highlighting the X-LOCK advantage with icons representing the tool-free system, backwards compatibility, ergonomic design, and quick change capabilities.
A composite image showing a Bosch grinder with a diamond blade attached, highlighting that X-LOCK blades are backwards compatible with standard 7/8-inch arbor mounts.
An instructional graphic demonstrating how to change X-LOCK wheels in four steps: 1) push the new blade into place, 2) listen for an audible click signal, 3) pull the release lever, and 4) release the used blade.
A marketing graphic displaying a variety of Bosch X-LOCK accessories, including abrasive wheels, diamond blades, tuckpointing blades, flap discs, backing pads, and wire wheels for various applications.
X-Lock Tool-Free Quick-Change System promotional video
A front-facing studio photograph of the silver Bosch DBX4541E 4-1/2 inch segmented diamond blade, showing the X-LOCK mounting center and icons for cutting reinforced concrete, brick, and stone.
A close-up action photograph of a gloved worker using an X-LOCK equipped Bosch grinder with a dust guard to perform a precision cut on a concrete slab.
A worker wearing a hard hat, respirator, and safety glasses uses a Bosch grinder with a dust extraction shroud to cut a concrete block, emphasizing its use for heavy-duty tasks like cutting foundations.
A close-up image of a gloved hand holding a tool-free X-LOCK system, featuring text that encourages users to put the wrench on the bench because of the single lever wheel ejection.
An informational graphic highlighting the X-LOCK advantage with icons representing the tool-free system, backwards compatibility, ergonomic design, and quick change capabilities.
A composite image showing a Bosch grinder with a diamond blade attached, highlighting that X-LOCK blades are backwards compatible with standard 7/8-inch arbor mounts.
An instructional graphic demonstrating how to change X-LOCK wheels in four steps: 1) push the new blade into place, 2) listen for an audible click signal, 3) pull the release lever, and 4) release the used blade.
A marketing graphic displaying a variety of Bosch X-LOCK accessories, including abrasive wheels, diamond blades, tuckpointing blades, flap discs, backing pads, and wire wheels for various applications.
X-Lock Tool-Free Quick-Change System promotional video
BOSCH

Bosch Segmented Diamond Blade DBX4541E 4-1/2 Inch XLOCK 7/8 Arbor (0.079 Thickness 11000 RPM Wet Dry Reinforced Concrete Brick Stone Cutter)

In stock
SKU: DBX4541E
$8.89 USD

Description

Bosch Promtional Logo Logout

Industrial-Grade 4-1/2 Inch X-LOCK and 7/8 Inch Arbor Segmented Diamond Saw Blade

The Bosch DBX4541E 4-1/2-Inch Segmented Diamond Saw Blade functions as a commercial-duty masonry cutting disc engineered to slice through rebar-reinforced concrete, structural red brick, and hard natural stone. Built with an industrial synthetic diamond matrix laser-welded to a tensioned steel core plate, this dual-interface blade mounts to tool-free X-LOCK angle grinders as well as standard 7/8-inch arbor spindles operating up to 11,000 RPM. Featuring a 0.079-inch blade thickness and a 1-1/4-inch maximum cutting depth, the unit executes wet slurry or dry slotting passes while releasing heat through deep segment expansion gullets.

Best Used For:

  • Reinforced Concrete Trenching: Slicing rebar-embedded concrete floor slabs and foundation walls with rapid material engagement.
  • Structural Brick & Block Modification: Executing clean crosscuts through solid red clay bricks, concrete masonry units (CMU), and retaining wall pavers.
  • Hard Natural Stone Trimming: Milling smooth straight edges in granite slabs, fieldstone, and slate tiles using portable angle grinders.

Key Performance & Safety Features

  • Dual X-LOCK & 7/8-Inch Arbor Mount: Instantly snaps onto X-LOCK angle grinders without spanner wrenches while maintaining backward compatibility with standard 7/8-inch arbor flanges.
  • Aggressive Segmented Rim Geometry: Segmented tooth gullets actively clear concrete slurry and dissipate thermal friction during deep cutting passes.
  • Industrial Diamond Matrix: Formulated with high-density synthetic diamond grit uniformly bonded to cut fast through embedded rebar.
  • Tensioned Alloy Steel Core: Computer-balanced core plate minimizes lateral wheel wobble for precise tracking at 11,000 RPM.
  • Wet and Dry Application Range: Operates efficiently dry or wet to suppress crystalline silica dust during masonry modification.

What's Included

  • (1) Bosch DBX4541E 4-1/2" X-LOCK and 7/8" Arbor Segmented Diamond Blade

Technical Specifications

Brand Name Bosch Tools
Model Number SKU DBX4541E
Tool Classification X-LOCK Segmented Diamond Blade
Blade Outer Diameter 4.50 in. (4-1/2 in.)
Arbor Interface Mount X-LOCK Snap-On System & 0.875 in. (7/8 in. Round)
Maximum Cutting Depth 1.25 in. (1-1/4 in.)
Cutting Kerf Thickness 0.079 in. (2.0 mm)
Core Body Thickness 0.079 in. (2.0 mm)
Maximum Operating Speed 11,000 RPM
Rim Style Profile Segmented Diamond Rim
Cutting Method Application Wet or Dry Cutting Dual Application
Core Plate Metallurgy Heat-Tensioned Alloy Steel Core
Net Item Weight 1.63 lbs.
Primary Machine Compatibility 4-1/2-Inch X-LOCK and Standard 7/8-Inch Angle Grinders
Target Material Substrates Rebar-Reinforced Concrete, Red Brick, Granite, Fieldstone, CMU Block

Pro-Tip: When cutting rebar-reinforced concrete with a 4-1/2-inch segmented blade, maintain light forward pressure and let the diamond segment matrix shear the steel rebar naturally. Forcing the blade through embedded rebar creates extreme friction heat that can glaze over diamond segment edges; periodically dressing the blade in soft masonry block exposes fresh, sharp diamond particles.