Make straight and angled cuts in wood and metal, with the blade lowering onto the stationary workpiece.

Diamond cutting disc for metal Extreme 355x25.4x3.3mm DeWalt DT40257-QZ
Also known as: diamond blade
Key features
- Diameter (mm)355
- Thickness (mm)3,3
- Hole (mm)25,4
What it is
Diamond cutting disc for metal Extreme 355x25.4x3.3mm DeWalt DT40257-QZ. Key specifications: diameter (mm) 355, thickness (mm) 3,3, hole (mm) 25,4.
Stone and special diamond blades are blades dedicated to a specific material, such as granite, marble, porphyry, refractories or metal, or to emergency rescue work.
What it is for
Used for cutting metal sections, sheet and tube and for cutting metal and plastic pipes.
How to use it
Choose the blade specific to the material to be cut, because on a different material it will wear quickly or stop cutting. Fit it following the direction-of-rotation arrow and the machine's maximum speed. Cut with a steady feed without forcing, cooling with water where specified, and protect your eyes, hearing and airways.
Where it is used
- Industrial construction
- Mechanical engineering industry
- Mechanical workshops
Technical data
- Diameter (mm): 355
- Thickness (mm): 3,3
- Hole (mm): 25,4
Who it is for
Designed for metal fabricators, industrial maintenance technicians and welders.
Related products
- Diamond disc, diameter 355mm bore 25.4mm, for cutting metal, DeWalt
- Diamond cutting disc for metal Extreme 305x25.4x3.3mm DeWalt DT40256-QZ
- Floor saw Seafloor 450 Sea Technology — from the category Power Cutters and Floor Saws
- Cordless angle grinder 125 mm 18V XR lithium DeWalt DCG412M2-QW — from the category Angle Grinders
- Dust mask with valve FFP2 (PK10) Portwest P211 — from the category Dust and Gas Respirators
- Browse the whole category: Stone and Special-Purpose Discs
Before you order
In your request, please state the diameter and the quantities required, so we can give you the right quotation first time.
For prices and availability, request a quote from AMES Srl: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative.
Specifications 3
| Diameter (mm) | 355 |
|---|---|
| Thickness (mm) | 3,3 |
| Hole (mm) | 25,4 |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
For safety
Protect eyes and face from fragments, dust, splashes and impacts.
Protect hearing from the noise of machines and tools by reducing the sound reaching the ear.
Protect hands from abrasion, dirt, liquids and minor cuts while keeping a firm grip.




