Granite and marble cutting diamond blade developed for professional users cutting natural stone materials on UK installation, fabrication and refurbishment projects.
• Designed for controlled, efficient cutting in granite & marble
• Turbo spiro segmented design supports fast material removal
• Turbo semi-continuous segment profile
• 125mm diameter with M14 threaded flange
• Suitable for angle grinder use
• EN13236 compliant
Granite & Marble Cutting Diamond Blade – Professional – Turbo Spiro Segmented – 125mmxM14 – OTEC SP5V
Granite and marble cutting diamond blade developed for professional users cutting natural stone materials on UK installation, fabrication and refurbishment projects.
• Designed for controlled, efficient cutting in granite & marble
• Turbo spiro segmented design supports fast material removal
• Turbo semi-continuous segment profile
• 125mm diameter with M14 threaded flange
• Suitable for angle grinder use
• EN13236 compliant
Granite & Marble Cutting Diamond Blade – Professional – Turbo Spiro Segmented – 125mmxM14 – OTEC SP5V is a specialist blade developed for professional users working with dense natural stone materials.
It's secondary use is for quartz, porcelain , and hard clay cutting.
It is intended for granite and marble cutting where controlled material removal and consistent cut quality are required. The turbo spiro segmented design supports smooth cutting action while helping manage vibration during use, making it suitable for detailed stone cutting tasks.
The SP5V is not suitable for ceramic tiles or general soft tile materials. It should be specified specifically for natural stone applications rather than multi-purpose tile cutting.
Need a different size or even higher performance?
View the complete OTEC range, including the OTEC D5P - our professional alternative for granite & hard clay.
Things to consider:
Always use personal protective equipment to ensure safety for you and others. CMT Group offers a comprehensive range of PPE products like hand protection, eye protection, respiratory equipment, & ear protection equipment to suit your needs.
✓ Turbo spiro segmented design for efficient stone cutting
✓ Optimised for dense natural stone materials
✓ Supports smooth cutting with controlled edge finish
✓ Designed to help reduce vibration during cutting
✓ Consistent cutting performance across repeated stone cuts
✓ Suitable for professional daily use
Specifications Table – OTEC SP5V
| Specification | Details |
|---|---|
| Product Name | Granite & Marble Cutting Diamond Blade – Professional – Turbo Spiro Segmented – 125mmxM14 – OTEC SP5V |
| Product Code | SP5V |
| Diameter | 125mm |
| Bore / Mount | M14 threaded flange |
| Segment Type | Turbo spiro segmented |
| Primary Application | Granite and marble |
| Secondary Application | Quartz, porcelain (limited) |
| Not Suitable For | Ceramic tiles, soft tile materials, reinforced concrete, metal |
| Safety Standard | EN13236 |
| Recommended Machine Type | Angle grinder |
| Use Environment | UK stone cutting and installation sites |
Variations Table – OTEC SP5V
| Diameter | Bore / Mount | Max RPM | Variation Code |
|---|---|---|---|
| 125mm | M14 | —* | SP5V-125/M14 |
! Max RPM must always be verified against machine rating before use.
Recommended Saw Type by Blade Size – OTEC SP5V
| Blade Size | Bore / Mount | Recommended Saw Type | Typical Site Use |
|---|---|---|---|
| 125mm | M14 | Angle grinder | Granite and marble cutting |
Application:
The Granite & Marble Cutting Diamond Blade – Professional – Turbo Spiro Segmented – 125mmxM14 – OTEC SP5V is suitable for:
- Granite cutting
- Marble cutting
- Natural stone trimming
- Stone edge detailing
- On-site stone installation work
Material Suitability Table – OTEC SP5V
| Ceramic | Porcelain | Granite | Marble | Quartz | Hard Clay |
|---|---|---|---|---|---|
| ❌ | ✔ | ✔✔✔ | ✔✔✔ | ✔✔ | ✔ |
Usage Guide:
Before use
Ensure the blade specification is suitable for the stone material being cut. Inspect the blade for cracks, segment damage or uneven wear. Confirm correct rotation direction and secure the M14 mount firmly to the grinder spindle. Wear appropriate PPE and ensure the grinder guard is correctly fitted.
During use
Allow the blade to cut at a steady rate without excessive force. Maintain controlled feed pressure to support smooth cutting and minimise vibration. Secure materials firmly and avoid twisting the blade during the cut.
Wet cutting
Wet cutting may be used where site conditions and equipment allow, to improve cut quality and blade life.
Is the SP5V suitable for granite cutting?
Yes. It is specifically designed for efficient cutting of granite.
Can this blade be used on marble?
Yes. Marble is one of its primary applications.
Is the SP5V suitable for ceramic tiles?
No. It is not intended for ceramic tile cutting.
What machine is the SP5V designed for?
It is designed for use on angle grinders with an M14 threaded spindle.
Does the SP5V comply with UK safety standards?
Yes. The blade conforms to EN13236.
Can the blade be used wet?
Yes. Wet cutting may be used where appropriate to improve cutting performance.








