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Back-up Pads: 3M™ Hookit™ Low Profile Disc Pad 20355, 6 in x 3/8 in x 5/16-24 External, 10 per case

3M™ Hookit™ Low Profile Disc Pad is firm yet flexible to give you versatility for flat sanding applications. Use this disc pad with coarse grades where good leveling is needed. Our innovative pad is constructed of firm density foam with a 15 degree blunt tapered edge for added durability, and is ideal for aggressive flat sanding operations.


  • Holder enables use of 3M™ Hookit™ discs (sold separately) on a disc sander, rotary sander, or random orbital sander
  • New one piece threaded shank reduces vibration and improves balance
  • Low profile firm density foam is well-suited for flat sanding applications
  • Firm density foam and blunt 35 degree tapered edge provide durability and an aggressive cut
  • Hookit™ hook and loop attachment system provides easy disc changes and optimizes disc life

The lightweight, shock-resistant backup pad holds a 3M™ Hookit™ Disc (sold separately) on a random orbital sander or other rotary tool. Our Hookit™ system makes disc changes quick and easy and enables repeated use for the life of the disc, reducing material consumption. The disc pad has 5/16-24 external threads compatible with a random orbital sander or other tool with 5/16-24 internal threads. Its one piece stud design improves balance and reduces vibration to enhance the quality of the finish and reduce operator fatigue.

Whether you need a random orbital or rotary sander, buffer, grinder, drill, finishing sander or other power tool, 3M™ Hookit™ products allow you to focus more on the task and less on tooling. Hookit™ abrasive products with our hook-and-loop backing are manufactured with loop material that mates to a backup pad, each sold separately, where tiny hooks firmly engage the loops. Attachment is quick, easy, and secure during use. Sanding, finishing, and surface conditioning products with the 3M™ Hookit™ attachment and removal system provide an efficient way to work through multi-step finishing processes and can be used again and again for the life of the abrasive.


 Attachment Type‎‎ Hookit™
 Brand‎‎ Hookit™
 Color‎‎ Red
 Converted Form‎‎ Backup Pads, Disc
 Density Rating‎‎ Firm
 Diameter‎‎ 6 Inch
 Diameter (Metric)‎‎ 152.4 mm
 Equipment - Machines‎‎ Random Orbital Sanders,‎ Rotary Sanders,‎ Disc Sanders
 Form Type‎‎ Molded
 Front Color‎‎ Black
 Hook Type‎‎ 2
 Industries‎‎ Metalworking,‎ Transportation & Heavy Equipment,‎ Primary Metal,‎ General Industrial,‎ Paint Preparation,‎ MRO,‎ Aerospace,‎ AOEM,‎ Woodworking,‎ Cutting Tool Manufacturing,‎ Composite
 Max OPM‎‎ 12000
 Max RPM‎‎ 12000
 Product Form‎‎ Disc Pad
 Shape‎‎ 15 Degree
 Sub Industries‎‎ Primary Wood and Panel Processing,‎ Turbine Engines,‎ Custom Woodworking and Millwork,‎ Cabinetry,‎ Metal Implants,‎ Furniture,‎ Plumbing Fixtures,‎ Plating & Polishing,‎ Builders Hardware,‎ Medical Instruments,‎ Metal Fabrication
 Thickness‎‎ 0.37 Inch
 Thickness (Metric)‎‎ 9.39 mm
 Thread Size‎‎ 5/16-24 EXT
 Type‎‎ Regular

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