OEM 350-450mm Laser Welded Blade for Road Cutting, Asphalt & Concrete Supplier, Manufacturer

Diameter:14"/16"/18"

Segment Thickness: 6mm, 8mm, 10mm, 12mm, 14mm, 20mm

Segment Height:10mm

Arbor Size: 25.4 mm or as your request

Application:For Concrete, Reinforced Concrete, Aspahlt, Asphalt/Concrete. 

Operating Conditions: Suitable for wet and dry cutting

Product Description

Product Introduction

Our professional diamond blade for road cutting is engineered to meet the rigorous demands of highway construction and municipal road work. Specifically designed for both wet and dry cutting, this versatile asphalt diamond blade provides contractors with maximum flexibility on the job site—whether using walk-behind saws with water cooling or performing quick repairs where water is unavailable. Utilizing advanced laser welding technology, the segments are fused to the core to ensure superior bond strength and operator safety during high-intensity, high-heat operations.

This high-performance blade excels in complex applications, particularly when used as an asphalt over concrete blade, where the transition between abrasive asphalt and hard base materials requires a stable, durable edge. It is equally efficient as a green concrete saw, delivering clean, precise cuts in new pavement without chipping. Formulated with a premium diamond grit and a heavy-duty steel core, our laser-welded segments are built to withstand the most abrasive materials in road work, driveways, and parking lots. By maintaining cutting tension and structural integrity under extreme friction, this blade ensures a long service life and an exceptional cost-per-cut, making it the reliable choice for professional contractors seeking uncompromised performance.

Typical Applications

Highway & Road Work
Ideal for large-scale pavement maintenance and road cutting projects.
Municipal Construction
Precision cutting for driveways, parking lots, and sidewalks.
Industrial Use
Efficiently manages asphalt over concrete surfaces and new green concrete slabs.

Key Features

Ultimate Core Protection

Integrated with specialized protection segments (Undercut Protection) to effectively prevent abrasive materials from wearing and tearing the steel core, significantly extending the blade's service life.

Superior Safety with 100% Laser Welding

All segments are 100% laser welded to the core, ensuring maximum bond strength. This provides high-efficiency cutting and elite operator safety, even during high-heat or dry-cutting operations.

Heavy-Duty Equipment Compatibility

Engineered for professional performance on walk-behind concrete saws, as well as hydraulic and gasoline-powered saws, offering versatile application across various job sites.

Premium Material Formulation

Manufactured with high-quality industrial diamonds and a specialized metal bond matrix, delivering exceptional sharpness, fast cutting speeds, and consistent durability.

Scalable Quality Grades

We offer various quality grades tailored to specific project requirements, allowing you to balance performance and budget for maximum cost-effectiveness.

Parameters & Specifications

OD (mm) Seg. L (mm) Seg. T (mm) Seg. H (mm) Seg. No Hole (mm)
350 40 6 / 8 / 10 / 12 / 14 / 20 10 24 25.4
400 40 6 / 8 / 10 / 12 / 14 / 20 10 28 25.4
450 40 6 / 8 / 10 / 12 / 14 / 20 10 32 25.4
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Frequently Asked Questions

Can this road cutting blade be used for both wet and dry applications?
Yes, this blade is specifically engineered for both wet and dry cutting. It offers optimal flexibility whether you are using walk-behind saws with water cooling systems or carrying out fast repairs in areas without water access.
What makes the blade effective for cutting asphalt over concrete?
The blade features high-grade industrial diamond grit combined with a specialized bond matrix and laser-welded segments that withstand the abrasive transition between soft asphalt and hard base concrete slabs without premature wear or loss of tension.
What is the purpose of the undercut protection segments?
Abrasive asphalt and green concrete slurry can cause rapid wear at the base of the segments. The built-in undercut protection segments shield the steel core from abrasive gouging and wear, substantially prolonging operational lifespan.
What saw machinery is compatible with this blade series?
These blades are designed to perform reliably on walk-behind concrete saws, gasoline-powered road saws, and hydraulic cutting machinery equipped with standard 25.4mm mounting arbors.
What standard blade dimensions are available?
Standard outer diameters are 350mm (24 segments), 400mm (28 segments), and 450mm (32 segments), each featuring a 40mm segment length, 10mm segment height, and segment thickness options from 6mm to 20mm.

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