Description
3M Cubitron II Hookit Clean Sanding Abrasive Disc, 31374, 6 in, 180+ grade — BOLTON SKU 61579.
About the 31374 3M Cubitron II Disc
The 3M Cubitron II Hookit Clean Sanding abrasive disc 31374 is a 6 in (152 mm) sanding disc in 180+ grade, supplied 50 discs per carton. It uses 3M Precision-Shaped Grain — triangular ceramic mineral that 3M states cuts at least 30% faster and lasts at least 30% longer than conventional ceramic abrasives — so less operator pressure is needed for the same stock removal. The Hookit hook-and-loop backing allows fast disc change-outs and re-use of partially worn discs, while the Clean Sanding multi-hole pattern aligns with vacuum-ready backup pads for effective dust extraction at the interface. 3M positions the 180+ grade for sanding plastic body filler, rough featheredging, paint removal and the final sanding step before priming. This product is designated for industrial/occupational use.
Key specifications
| Manufacturer part | 3M 31374 (3M ID 7100155357) |
|---|---|
| Diameter | 6 in (152 mm) |
| Grade | 180+ |
| Mineral | 3M Precision-Shaped Grain (ceramic) |
| Attachment | Hookit hook-and-loop |
| Dust extraction | Clean Sanding multi-hole pattern |
| Pack quantity | 50 discs per carton |
Typical applications
In MRO and fabrication shops this 180+ grade disc is used on random-orbital sanders for feather-edging paint breaks, refining filler and preparing surfaces before primer. The multi-hole extraction pattern helps keep composite and aluminium sanding operations cleaner when paired with vacuum extraction.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).







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