Laser Welded V-Segment Crack Chaser Diamond Blade 4–7 in

1. Laser Welded V-Segment Crack Chaser Diamond Blade,  Open, clean and prepare concrete cracks for professional repair.

The Alskar Laser Welded Crack Chaser Diamond Blade is engineered to open and clean existing cracks before sealing, filling or structural repair.

Unlike a conventional straight cutting blade, the V-shaped segment profile creates a wider V-groove that helps remove loose material and prepare the crack for repair compounds or sealants.

Typical applications include:

Concrete Crack Chasing
Crack Widening
Crack Cleaning
Joint Repair Preparation
Sealant Preparation
Concrete Restoration

2. V-Shaped Segment Design

V-Groove Cutting Profile

The V-shaped diamond segment is designed to open narrow cracks into a controlled groove, improving access for cleaning and repair materials.

• Opens existing cracks
• Removes loose material
• Produces a wider repair channel
• Helps prepare the crack for filler or sealant
• Reduces the need for repeated narrow passes

Open the Crack. Clean the Channel. Prepare for Repair.

3. .375″ Cutting Width

Blade / Segment Width

.375″ / 3/8″ / approximately 9.5mm

The .375″ cutting width provides an aggressive crack-opening profile suitable for concrete repair and restoration work where a wider repair channel is required.

4. 10mm V-Shaped Diamond Segments

Segment Height

10mm (.394″)

10mm V-shaped diamond segments provide substantial usable diamond depth for repeated professional crack-chasing applications.

5. Laser Welded Construction

Laser Welded Segments

Each diamond segment is laser welded to the steel core, creating a strong segment-to-core connection for demanding professional crack chasing and concrete repair applications.

Strong Segment Attachment
Professional Construction
Designed for Demanding Crack Repair Work

6. Available Sizes

7. Arbor

7/8″ Arbor with 5/8″ Reducer

8. Primary Materials

Concrete
Masonry
Repair Joints

9. Primary Applications

Crack Chasing

Opening existing concrete cracks before repair.

Crack Widening

Creating a wider controlled channel for repair material.

Crack Cleaning

Removing loose concrete and debris from damaged crack edges.

Sealant Preparation

Preparing cracks for sealants, epoxy or repair compounds.

Concrete Restoration

Useful for repair and rehabilitation work involving existing cracks and damaged joints.

10. Key Selling Points

V-Shaped Crack Chasing Profile

Creates a controlled V-groove for repair preparation.

.375″ Wide Cutting Profile

Designed for aggressive crack opening and cleaning.

10mm Diamond Segments

Professional usable diamond depth for repeated repair work.

Laser Welded Construction

Strong segment-to-core connection for demanding applications.

Four Diameter Options

Available in 4″, 4.5″, 5″ and 7″.

11. Final Specifications

12. FAQ

What is a crack chaser diamond blade used for?
It is used to open, widen and clean existing concrete cracks before sealing, filling or repair.

What is the cutting width?
.375″ / approximately 9.5mm.

What is the segment height?
10mm.

What is special about the segment design?
The V-shaped profile creates a wider controlled channel for crack repair preparation.

Is the blade laser welded?
Yes. The diamond segments are laser welded to the steel core.

What sizes are available?
4″, 4.5″, 5″ and 7″.

What arbor does the blade use?
7/8″ arbor with a 5/8″ reducer.

What materials is it designed for?
Primarily concrete and masonry crack-repair applications.