Which materials is this diamond blade suitable for?

This diamond blade is designed for cutting mineral building materials such as stone, brick, and concrete.

Can this disc be used for both dry and wet cutting?

Yes, this cutting disc is engineered for both dry and wet cutting applications.

What are the disc diameter and bore size?

The blade has a diameter of 125 mm and a standard bore size of 22.23 mm.

What is the segment height of this diamond disc?

The diamond segment has a height of 10 mm and a thickness of 2.2 mm.

Which machines are compatible with this diamond blade?

It fits standard angle grinders, disc cutters, and wall chasers compatible with 125 mm discs and a 22.23 mm bore.

MAKITA B-12778 diamond wheel COMET 125mm

Name: MAKITA B-12778 diamond wheel COMET 125mm
Brand: MAKITA
SKU: 02634625
Price: 45.2 EUR
Availability: PreOrder

Supplier number: MAKITA B-12778 | EAN 0088381355513

Recommended Retail Price €67.60

45.20 tax incl.

€37.36 excl. VAT (incl. all environmental contributions)

On order: delivered from 10/10/2026

Ordered before 20:00 - delivered as of 10/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

High-speed cutting by Makita

Practical benefits

Versatile wet and dry use: You can tackle tough masonry tasks flexibly using either wet or dry cutting methods on site.
Fast and clean cutting: The segmented diamond rim helps you cut swiftly and smoothly through hard concrete and brickwork.
Reliable fit for grinders: Built with a 22.23 mm bore, you mount the disc securely onto compatible angle grinders and cutters.

In a nutshell

The right choise for

With the Makita B-12778 diamond blade, you cut quickly, smoothly, and accurately through tough mineral materials such as concrete, brick, and stone. The segmented rim maintains a high cutting speed while preventing jamming and overheating during demanding cutting tasks. This 125 mm blade gives you complete flexibility on site, performing reliably in both wet and dry cutting applications. Built with a standard 22.23 mm bore, it mounts securely onto compatible 125 mm angle grinders, disc cutters, and wall chasers for all your paving, masonry, and renovation jobs.

Product information FAQ

€45.20

tax incl.

Key features according to our expert

(Disc) diameter: 125 mm
Thickness: 2 mm
Connection size (disc): 22,2 mm
(Disc) attachment: Bore hole
Application (disc): Cutting
For material: Stone

Product description

Diamond wheel 125 mm, Quasar Rapide, dry and wet

All Features

(disc) diameter: 125 mm
Thickness: 2 mm
Connection size (disc): 22,2 mm
(disc) attachment: Bore hole
Application (disc): Cutting
For material: Stone
Internal diameter: 125 mm
Shaft hole: 22.23 / 20 mm

Brand MAKITA
02634625
EAN 0088381355513
Supplier number MAKITA B-12778

Frequently asked questions about this product

Answered by specialists

Which materials is this diamond blade suitable for?: This diamond blade is designed for cutting mineral building materials such as stone, brick, and concrete.
Can this disc be used for both dry and wet cutting?: Yes, this cutting disc is engineered for both dry and wet cutting applications.
What are the disc diameter and bore size?: The blade has a diameter of 125 mm and a standard bore size of 22.23 mm.
What is the segment height of this diamond disc?: The diamond segment has a height of 10 mm and a thickness of 2.2 mm.
Which machines are compatible with this diamond blade?: It fits standard angle grinders, disc cutters, and wall chasers compatible with 125 mm discs and a 22.23 mm bore.