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Makita · Angle grinders

Makita GA9020Grinder discs & size guide

The GA9020 uses a 230 mm disc with a 22.23 mm bore according to Makita's UK specification. Its listed no-load speed is 6,600 rpm.

MANUFACTURER SPECIFICATIONS

What size does it take?

Disc diameter
230 mm
Disc bore
22.23 mm
Spindle thread
M14
No-load speed
6,600 rpm
Power source
Corded

Select the dimensions published for the GA9020, and check that the disc and guard are approved for the planned operation.

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Check before buying

  1. Confirm the exact model and maximum speed on the tool label.
  2. Choose an accessory rated for at least that maximum speed.
  3. Check disc type, thickness, material and required guard in the manual; matching the bore alone does not establish fit.

Source & scope

Makita UK GA9020 product specification (PDF)

Source checked 2026-10-03. This page records published specifications; it is not a hands-on review or a guarantee for every accessory sold under these dimensions.

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