Question 1

What's the difference between a random orbital sander and an orbital sander?

Accepted Answer

A random orbital sander moves in a combined spinning and elliptical pattern, which prevents visible swirl marks on the surface — it's the better choice for finishing work on wood. A standard orbital sander moves in a fixed square or rectangular pattern (often called a 'finishing sander' or 'sheet sander') and is gentler but slower. For most DIY and trade applications, random orbital is the more versatile option. If you're working on flat surfaces like floors or doors and want a finer finish, random orbital wins every time.

Question 2

Is a cordless sander as powerful as a corded one?

Accepted Answer

For most practical purposes, yes — modern 18V cordless sanders from Bosch and Makita match corded equivalents in OPM and finish quality. The real difference is runtime: a 2.0Ah battery might give you 20–30 minutes of continuous sanding, while a 5.0Ah pack extends that considerably. Corded models (300–550W) are better suited to very long, uninterrupted sessions in a fixed workshop where trailing a cable isn't an issue. For site work or moving between rooms, cordless is the practical choice.

Question 3

Can I use any sandpaper with my sander, or do I need a specific type?

Accepted Answer

It depends on the backing system. Most modern sanders use hook-and-loop (Velcro) backing, which accepts any compatible hook-and-loop sandpaper — widely available from Screwfix, B&Q, and online retailers in grits from 40 to 400. Some older or budget models use pressure-sensitive adhesive (PSA) backing, which limits you to specific pads that can be harder to source and more expensive. Always check the backing type before buying, especially for less common plate sizes like 150mm or 225mm where aftermarket availability varies.

Question 4

What grit sandpaper should I start with?

Accepted Answer

Start coarser than you think you need, then work up. For stripping paint or removing old varnish, begin with 40–80 grit. For general wood prep and smoothing, 80–120 grit is the standard starting point. Finishing passes before staining or painting typically use 180–240 grit. Going straight to fine grit on a rough surface wastes paper and time — the coarser grit does the heavy lifting, and you're just refining from there.

Question 5

Are budget sanders from brands like Einhell or Black & Decker worth buying, or should I avoid them?

Accepted Answer

They're worth buying for occasional, light-duty use — but go in with realistic expectations. At prices from 18 £ to 45 £, you're getting basic dust collection, fixed or limited speed control, and plastic housings that won't survive a building site. For a weekend DIYer sanding furniture or prepping walls once or twice a year, they're perfectly adequate. For anyone using a sander weekly or professionally, the false economy becomes apparent quickly: consumables wear faster, motors run hotter, and the lack of vacuum compatibility is a genuine nuisance. Spend up to 92 £ and the quality jump is substantial.

Question 6

Do I need a separate dust extractor, or is the built-in bag enough?

Accepted Answer

For occasional indoor use, the integrated dust bag is passable — but it fills quickly and captures only around 50% of fine particles. For MDF, hardwoods, or any extended indoor sanding, connecting to a workshop vacuum via the dust port is strongly recommended. Fine wood dust is classified as a hazardous substance under UK COSHH regulations, and the health case for proper extraction is clear. Most mid-range and professional sanders include a vacuum adapter; budget models often don't. If you're buying for indoor use, treat vacuum compatibility as a must-have, not a nice-to-have.

Question 7

Which sander brands have the best after-sales support in the UK in 2026?

Accepted Answer

Bosch, Makita, and DeWALT have the strongest UK service networks, with authorised repair centres across the country and readily available spare parts. Bosch Professional and Makita both offer extended warranties (up to 3 years with registration), and their battery ecosystems mean replacement packs are easy to find at Currys, Screwfix, and Toolstation. Einhell has improved its UK support significantly and offers reasonable warranty terms for the price point. Draper Tools, while budget-friendly, has a solid UK presence and responsive customer service — better than some better-known budget names.

Portable Sanders Price Comparison

Einhell TE-OS 18/113 Li Black, Red

Makita BO5031/2 portable sander Random orbital sander 12000 RPM Black, Turquoise 300 W

Portable Sanders Price Comparison

Portable Sanders price comparison UK

Einhell TE-OS 18/113 Li Black, Red

Makita BO5031/2 portable sander Random orbital sander 12000 RPM Black, Turquoise 300 W