3M 3" X 1/2" X 5/16" Clean Sanding Disc Pad Kit (20427)
The 3M 3" X 1/2" X 5/16" Clean Sanding Disc Pad Kit (20427) is a versatile accessory designed for use with 3M Hookit Clean Sanding Discs. This kit provides a convenient solution for attaching sanding discs to various tools, maximizing disc life and ensuring a clean work environment. The kit includes a Hookit disc back-up pad with 5/16-24 internal threads and five adapters to accommodate different tool spindle sizes. The multi-hole pattern on the pad facilitates efficient dust extraction when used with a vacuum system. This kit is ideal for automotive, woodworking, and general surface preparation applications.
KEY FEATURES AND BENEFITS:
Fast Disc Changes: The Hookit attachment system allows for quick and easy disc changes, saving time and increasing productivity.
Broad Tool Compatibility: Five included adapters (1/4-20 INT x 5/16-24 EXT, 1/4-20 INT x 5/16-24 EXT, 1/4-28 EXT x 5/16-24 EXT, 5/16-24 EXT x 5/16-24 EXT, 6mm x 1.0 EXT) enable the pad to be used with a wide range of tools.
Effective Dust Extraction: The multi-hole pattern promotes efficient dust removal, creating a cleaner work environment and extending disc life.
Consistent Sanding: The firm foam construction of the pad ensures even pressure distribution for consistent sanding results.
Pad Diameter: 3 inches (76.2 mm)
Pad Thickness: 1/2 inch (12.7 mm)
Thread Size: 5/16-24 external threads
Attachment Type: Hookit (Hook & Loop)
Vacuum Support: Yes
Adapters Included: 5
Select the appropriate adapter: Choose the adapter that matches the spindle size of your sanding tool.
Attach the adapter to the pad: Thread the chosen adapter onto the 5/16-24 internal threads of the Hookit back-up pad.
Attach the pad to the tool: Thread the adapter on the pad onto the spindle of your sanding tool.
Attach the sanding disc: Press a Hookit sanding disc onto the Hookit surface of the back-up pad.
Connect to a vacuum (optional): If using a vacuum system, connect it to the dust extraction port of your sander.
Begin sanding: Apply light pressure and move the sander in smooth, overlapping strokes.
BENEFITS OF USING THE 3M 3" X 1/2" X 5/16" CLEAN SANDING DISC PAD KIT (20427):
The Hookit system allows for rapid disc changes, saving valuable time.
Included adapters ensure compatibility with a wide array of sanding tools, eliminating the need for multiple pads.
The multi-hole pattern significantly improves dust extraction, leading to a cleaner work area, better visibility, and longer disc life.
Firm foam construction delivers consistent sanding results, ensuring a high-quality finish on various surfaces.
Quick change disc attachment with Hookit system.
Five different sized adapters for maximum tool compatibility.
Multi-hole pattern for optimal dust removal.
Firm foam pad construction for even sanding.
Suitable for use with random orbital sanders and central-vacuum-ready sanders.
Product identification
- Brand: 3M
- Model / MPN: 20427











