Best Orbital Sander Backing Pads in 2026: Replacement and Interface Pads Ranked by Owners

POLIWELL’s interface pad is the cheapest insurance for a sander. It is a disc of soft sponge with hooks on one face and loop on the other: the loop side presses onto the sander pad, the hook side takes the sanding disc, and from then on the wear from disc changes lands on a pad you can replace for very little. The cushion also lets the abrasive conform, so you can sand a chair seat, a bowl or a rounded edge without the hard pad cutting flats or burning through at the rim. The 8-hole pattern keeps dust extraction working on 5 inch sanders. Thousands of owners give it a very strong owner rating, the biggest review base here. The foam adds height and softens the feel on flat panels, it can tear if discs are ripped off, and it does not suit adhesive-backed discs. For contour work and pad protection, it is the one to add.

DeWalt’s DWE6421 and DWE6423 corded sanders and the DCW210B cordless share one pad, and this two-pack is the well-reviewed aftermarket replacement for part numbers DWE64233 and N329079. Each 5 inch pad has four screw holes and the standard eight dust holes, with the spacing published at 1.97 inches across and 1.38 inches between adjacent holes so you can check your sander with a ruler first. The plate is engineering plastic with a soft rubber layer to take up vibration, topped with high-density hooks. Fitting takes four screws, which are not in the pack, so keep the ones from the old pad. Well over a thousand owners give it a strong owner rating. It is not a DeWalt-made part, and its owner rating sits a little below the original-brand pads on this page. With two in the pack you have a spare ready. For a DeWalt throwing discs, it is the practical buy.

The three-screw 5 inch pad is shared across a surprising number of sanders, and this two-pack covers the Makita BO5010, BO5021, BO5030, BO5031 and BO5041 along with the older DeWalt DW421 to DW423 and D26450 series and Porter Cable 343, 382 and 390 models. It has eight dust holes, a stepped center bore of 0.59 and 1.1 inches and a screw-hole center distance of about 1.34 inches; the seller asks buyers to compare those figures with the listing picture before ordering, which is good advice. Construction is the same as the DeWalt-fit pad from this brand: an engineering plastic plate, a soft rubber layer and high-density hooks. Hundreds of owners give it an excellent owner rating, the best rating among the replacement pads here. It will not fit the newer four-screw DeWalt sanders, and it is an aftermarket part. For the Makita BO5030 and BO5041 in particular, it is the easy choice.

The RS032 is the hard-grade pad for Bosch’s long-running 1295, 3107 and 3725 series sanders, many of which are still at work decades on. A hard rubber pad does not let the disc dish around high spots, so it is the right choice for flattening a glued-up panel, leveling filler or removing a finish from a tabletop quickly, where a soft pad would round the edges and follow every dip. It takes standard 8-hole hook-and-loop discs and polishing bonnets. Well over a thousand owners give it a very strong owner rating, a long record for a part that keeps otherwise healthy sanders in service. It is too stiff for curved work unless you add a foam interface pad, and it does not fit the newer ROS20VS, which takes the RS034 above. It comes as a single pad. For owners of the listed Bosch models, it is the correct part.

Air-powered dual action sanders use a different pad from electric palm sanders: one threaded stud in place of screws, and usually a smooth vinyl face for stick-on discs. NEIKO’s 30262A is the well-reviewed 6 inch version, with the universal 5/16 inch arbor and 24 threads that fits most air orbital and DA sanders, a 10,000 RPM rating and a polyurethane body the maker describes as flexible but firm. The vinyl face takes pressure-sensitive adhesive discs, the body-shop standard for feathering, scratch removal, paint stripping and prep. Well over a thousand owners give it a very strong owner rating, and it is a sensible replacement when the pad supplied with an air sander gives out. It does not take hook-and-loop discs, it has no dust holes and it will not fit electric sanders that mount pads with screws. For a pneumatic DA, it is the proven pad.

This kit is for the DeWalt owner who wants to solve the whole problem in one order. It includes a direct replacement backing pad for part numbers DWE64233 and N329079, fitting the DWE6420, DWE6421, DWE6423 and the cordless DCW210B, plus black 8-hole foam interface pads to protect the new pad and soften it for curved work, and 30 aluminum oxide discs in six grits from 100 to 400. That makes a 35-piece pack, enough to refit the sander and finish a furniture project without another purchase. Hundreds of owners give it an excellent owner rating, a touch higher than the bare two-pack ranked third. There is only one backing pad, so no spare, and the discs are ordinary general-purpose abrasives that suit wood and light metal work more than heavy stripping. If you would otherwise buy a pad, an interface pad and discs separately, this is the neater buy.

If you already know you like sanding with an interface pad, this four-pack is the way to keep them on hand. Each pad is 5 inches across with the standard eight holes, half an inch of soft-density foam, a loop face for the sander and a hook face for the disc, so changes are tool-free. The thickness is the point: it soaks up vibration and bounce, lets the disc wrap an edge or a turned leg, and helps prevent burn-through and swirl marks on finishes and automotive clear. The listing covers wet and dry sanding on auto, wood, metal, marine and furniture surfaces. Hundreds of owners give it a very strong owner rating. Half an inch of foam is a lot on flat panels, where it can round edges, and soft foam breaks down sooner if you lean on the sander. As consumable interface pads bought four at a time, it is good value.