Which materials is this cut-off wheel suitable for?

This wheel is designed for cutting steel and metal.

What are the dimensions and bore size of the Makita B-70839?

The cut-off wheel has a diameter of 350 mm, a thickness of 4 mm, and a 25.4 mm bore.

What shape is this cut-off wheel?

It is a flat cut-off wheel designed for straight cuts.

What does the A24R specification mean?

A24R indicates an aluminium oxide grain with grit 24 and a medium-hard bond for robust metal cutting applications.

Which machines are compatible with this wheel?

It fits power cutters and cut-off saws with a 350 mm wheel capacity and a 25.4 mm arbor.

MAKITA B-70839 cut-off wheel steel 350 x 25,4 x 4 mm, A24R

Name: MAKITA B-70839 cut-off wheel steel 350 x 25,4 x 4 mm, A24R
Brand: MAKITA
SKU: 03361388
Price: 23.95 EUR
Availability: PreOrder

Supplier number: MAKITA B-70839 | EAN 0088381522823

Recommended Retail Price €35.21

23.95 tax incl.

€19.79 excl. VAT (incl. all environmental contributions)

On order: delivered from 15/10/2026

Ordered before 20:00 - delivered as of 15/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Powerful steel cutting performance with Makita

Practical benefits

High stability during heavy cutting: The 4 mm thickness provides solid stability and minimizes blade flex when cutting through thick structural steel and metal profiles.
Durable A24R abrasive grain bond: Premium aluminum oxide formulation delivers fast material removal and extended service life under demanding workshop conditions.
Precise fit on cut-off saws: The 25.4 mm bore allows secure mounting and smooth, vibration-free rotation on your stationary cut-off machine.

In a nutshell

The right choise for

Cut through solid steel and heavy metal profiles with high stability and control using the Makita B-70839 cut-off wheel. Built with a 4 mm thickness, this flat disc resists flexing during demanding cuts, delivering clean, straight results across structural beams, pipes, and thick metal sections. The durable A24R aluminium oxide grain formulation ensures steady cutting performance and extended service life under intensive fabrication workshop and job site conditions. Featuring a 350 mm diameter and a standard 25.4 mm bore, it mounts cleanly and securely onto your compatible cut-off saw or power cutter for smooth, vibration-free operation.

Product information FAQ

€23.95

tax incl.

Key features according to our expert

(Disc) diameter: 350 mm
Connection size (disc): 25,4 mm
For material: Metal
Shape (cutting disc): Flat (41)
Mounting (disc): Bore
Thickness: 4 mm

Product description

Cutting disc steel 350 x 25,4 mm

All Features

(disc) diameter: 350 mm
Connection size (disc): 25,4 mm
For material: Metal
Shape (cutting disc): Flat (41)
Mounting (disc): Bore
Thickness: 4 mm
Internal diameter: 350 mm
Grain: A24R
Shaft hole: 25.4 mm

Brand MAKITA
03361388
EAN 0088381522823
Supplier number MAKITA B-70839

Frequently asked questions about this product

Answered by specialists

Which materials is this cut-off wheel suitable for?: This wheel is designed for cutting steel and metal.
What are the dimensions and bore size of the Makita B-70839?: The cut-off wheel has a diameter of 350 mm, a thickness of 4 mm, and a 25.4 mm bore.
What shape is this cut-off wheel?: It is a flat cut-off wheel designed for straight cuts.
What does the A24R specification mean?: A24R indicates an aluminium oxide grain with grit 24 and a medium-hard bond for robust metal cutting applications.
Which machines are compatible with this wheel?: It fits power cutters and cut-off saws with a 350 mm wheel capacity and a 25.4 mm arbor.