Description
Sia 1950 abrasive sanding discs use the siafast hook and loop fastening system for fast, tool-free changes between grits on a random orbital sander or hand sanding block. This box quantity covers the 6 inch, 9-hole, 120 grit, hook and loop configuration, matching common dust-extraction sanders used in cabinetry, countertop fabrication, and general metal and wood finishing work.
How These Abrasive Sanding Discs Fasten And Perform
The siafast system, introduced in 1983, uses loops on the back of the disc that mate with hooks on the backing pad, allowing thousands of quick changes over the life of a pad without adhesive residue buildup. Precise coordination between loop length and hook design keeps the disc seated firmly during aggressive material removal while still releasing cleanly when it is time to swap grits.
The 9-hole pattern lines up with common dust-extraction backing pads, pulling debris through the disc and pad into the sander’s vacuum port. That ventilation effect keeps the cut cooler, reduces clogging on the abrasive surface, and cuts down on airborne dust in the work area. Less heat buildup and less clogging both translate into a longer working life per disc before the cut starts to fade.
Choosing The Right Abrasive Sanding Discs For The Job
Match hole pattern to the backing pad in use, since a mismatched hole count reduces dust extraction efficiency even if the disc still fits physically. Step through grits in a logical sequence when refinishing a surface, and replace discs once cutting speed drops noticeably rather than pushing a worn disc that generates excess heat and uneven results.
Sia 1950 Sanding Disc Specifications
| Property | Value |
|---|---|
| SKU | SIA2237.4737.0120 |
| Brand | Sia |
| Diameter | 6 in |
| Holes | 9 |
| Grit | 120 |
| Backing | Hook and loop |
| Pack | 100 per box |
Choose these abrasive sanding discs when a 6 inch, 9-hole, hook and loop pad needs a reliable 120 grit option. Browse our abrasives for other grits and hole patterns in the same line. Full siafast system detail is available from Sia Abrasives.
Need Help?
Need help matching disc hole pattern to your sander? Call (800) 220-1966 or email [email protected].
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