UK TOOLS, DIY & HOMECheck the model. Check the fit.
MODEL → SIZE → REPLACEMENT

Random orbit sanders: sizes by model

Disc diameter, fixing and dust-hole pattern. Use the chart to find your exact model, then check its full requirements before buying.

12 manufacturer-sourced models

Disc diameter and backing-pad diameter can differ. Read the field label, then check the pad’s extraction-hole pattern and abrasive material as well as attachment.

Disc fixing and hole pattern →

Bosch Professional random orbit sanders

All Bosch Professional tools →
Bosch Professional: documented sanding discs specifications
Exact modelPublished size or fittingManufacturer evidence
Bosch Professional GEX 18V-125Sizes & buying checks →Sanding pad diameter125 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03
Bosch Professional GEX 12V-125Sizes & buying checks →Sanding pad diameter125 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03
Bosch Professional GEX 34-150Sizes & buying checks →Sanding pad diameter150 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03
Bosch Professional GEX 125-1 AESizes & buying checks →Sanding pad diameter125 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03
Bosch Professional GET 75-150Sizes & buying checks →Sanding pad diameter150 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03
Bosch Professional GEX 40-150Sizes & buying checks →Sanding pad diameter150 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03

DeWalt random orbit sanders

All DeWalt tools →
DeWalt: documented sanding discs specifications
Exact modelPublished size or fittingManufacturer evidence
DeWalt DCW210N-XJSizes & buying checks →Sanding platen diameter125 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03
DeWalt DWE6423-GBSizes & buying checks →Sanding platen diameter125 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03

Makita random orbit sanders

All Makita tools →
Makita: documented sanding discs specifications
Exact modelPublished size or fittingManufacturer evidence
Makita DBO180ZSizes & buying checks →Sanding disc diameter125 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03
Makita BO5041Sizes & buying checks →Sanding disc diameter125 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03
Makita BO5031Sizes & buying checks →Sanding disc diameter125 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03
Makita BO6030Sizes & buying checks →Sanding disc diameter150 mmDisc attachmentHook and loopSource ↗Checked 2026-10-03