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Back-up Pads: 3M™ Dual Lock PSA Soft Disc Pad 20247, 1-1/4 in, 20 per case

This disc pad attaches to the PN20246 Dual Lock Rubber Skirt. The Dual Lock hooks provide a secure attachment even in extreme wet applications. The pad has a blue vinyl face to hold the 466LA PSA backed abrasive discs.

  • Soft density disc pad provides cushion and conformability for finishing fine surfaces
  • Dual Lock attachment is stronger in strength than typical hook-and-loop fasteners
  • Mushroom-shaped stems snap in place to lock the pad in place
  • Small diameter for repairing small defects in paint
  • Drives Trizact film discs to level most defects
  • Maximum rpm of 7500

Solid, but Soft, Support

Ideally suited for high-volume production environments, 3M™ Dual Lock™ PSA Soft Disc Pad PN 20247 provides a secure, conformable backup to Trizact microfinishing discs to remove minor defects like nibs, scratches, marks, and blemishes in clear coat.

Extreme wet sanding applications – in which the abrasive, pad and tool are continuously subjected to water – can test the limits of any attachment method so this dual lock disc pad system was developed to provide a pad attachment strong enough to withstand the demands of a heavy-duty industrial wet sanding application.

Solving the Attachment Challenge

The Dual Lock™ snap-locking system has holding power 5 times stronger than conventional hook and loop. Interlocking mushroom-shaped stems "snap" together and provide a definite tactile response. When two pieces of Dual Lock™ fasteners are pressed together, the stems flex and the mushroom heads slide past each other. After passing the opposing mating piece, the stems snap back into their original position and the opposing mushroom heads interlock. These fasteners provide high tensile strength but can be opened by simply cleaving or peeling open the closure. The Dual Lock fastening system is durable enough to be opened and closed 1,000 times before losing 50% of its original strength.

The Science of a Perfect Finish

3M™ Trizact™ abrasives discs are used by most automotive manufacturers worldwide, as well as automotive collision shops, car and motorcycle dealerships, and detail shops. This duo, when used with 3M™ Nib Sander PN 3125, are part of the 3M™ Trizact™ Finesse-it™ Paint Defect Repair System.


 Attachment Type‎‎ PSA
 Brand‎‎ 3M™
 Color‎‎ Black
 Converted Form‎‎ Backup Pads, Disc
 Density Rating‎‎ Soft
 Diameter‎‎ 1.25 Inch
 Diameter (Metric)‎‎ 31.75 mm
 Equipment - Machines‎‎ Random Orbital Sanders,‎ Nib Sanders
 Form Type‎‎ Fabricated
 Front Color‎‎ Blue
 Hook Type‎‎ 5
 Industries‎‎ Paint Preparation,‎ AOEM
 Max RPM‎‎ 7500
 Product Form‎‎ Disc Pad
 Type‎‎ Interface Pad

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