3M 31375 Cubitron II Hookit Clean Sanding Abrasive Disc 737U, 8 in, 40+ Grade, 25 Discs per Box

3M 31375 Cubitron II Hookit Clean Sanding Abrasive Disc 737U, 8 in, 40+ Grade, 25 Discs per Box

• 3M 31375 is an 8 in Cubitron II Hookit Clean Sanding abrasive disc in 40+ grade for aggressive paint and filler removal. Precision shaped ceramic grain and a Clean Sanding multi hole pattern deliver fast cut, long life, and efficient dust extraction. Packaged 25 discs per box.
• Features:
  • Precision shaped ceramic grain cuts fast with less pressure, helping speed heavy stock removal while controlling heat and loading.
  • Clean Sanding multi hole pattern improves dust capture, supporting a cleaner surface and longer disc life.
  • Hookit hook and loop attachment enables quick changes and reuse on compatible backup pads.
  • C weight paper backing balances cut and durability for stripping to metal and rough filler shaping.
  • Application focused grade 40+ targets paint removal and initial body filler shaping prior to finer sanding steps.
• Specifications:
  • Manufacturer: 3M
  • Part Number: 31375
  • Series: 737U
  • Diameter: 8 in
  • Grade: 40+
  • Attachment: Hookit hook and loop
  • Hole Pattern: Clean Sanding multi hole
  • Backing: Paper, C weight
  • Mineral: Precision shaped ceramic
  • Quantity: 25 discs per box; 4 boxes per case
  • Identifiers: 3M stock number 7100073547; 3M ID 60455083489; UPC 00051131313750
  • System Compatibility or Application: For use on random orbital sanders with 8 in Hookit Clean Sanding disc pads; intended for coating removal to metal and rough filler shaping
• The 3M 31375 Cubitron II Hookit Clean Sanding Abrasive Disc can also be referred to as 8 in Hookit 40 plus disc, clean sanding body shop disc, precision shaped ceramic sanding disc, 737U finishing disc, and automotive paint removal disc.

3M develops abrasive systems for collision repair and industrial finishing. Cubitron II abrasives combine precision shaped ceramic grain, engineered hole patterns, and reliable Hookit attachment to deliver fast, consistent results while supporting dust extraction and productivity.

Q: How many discs are in one box of 31375?
A: One box contains 25 discs, and a standard case contains 4 boxes.

Q: What jobs is the 40+ grade intended for?
A: 40+ is used for aggressive tasks such as stripping coatings to metal and rough shaping of plastic body filler before moving to finer grades.

Q: What pad should I use with these discs?
A: Use an 8 in Hookit Clean Sanding backup pad on a random orbital sander to enable effective dust extraction and quick disc changes.