3M Hookit Blue Abrasive Disc 521U, No Hole

3M · Professional body repair and refinishing3M Hookit Abrasive Disc 36e / 3M™ Hookit™ Blue Abrasive Disc 521U is a paper-backed abrasive disc with excellent performance and cut. It is available in a range of grades and sizes. Use the 3M™ Hookit™ Blue Abrasive Disc 521U for sanding on collision repair substrates like paint, primer, metal and composites. At a glance Part numbers Application guidance Specifications FAQs Documents At a glance Product typeAbrasives Customer choicesSize AttachmentHook & Loop AbrasiveCeramic Aluminum Oxide BackingPaper / E Weight Wet or dryDry Feature 1Excellent cut rate and performance Feature 2E-weight paper backing is highly durable and withstands wear, pressure and damage Feature 3Easy and reusable hook-and-loop system Feature 4Available in a variety of sizes and grades. Exact 3M part numbers and package contents 3M MPN Size What you receive UPC 36530 8 in 1 box (50 discs) 068060061676 36522 6 in 1 box (50 discs) 068060061591 Application and compatibility guidance Match the exact 3M manufacturer part number and selected Size before ordering. Choose the abrasive grade for the repair step; lower grit numbers remove material more aggressively and higher numbers refine the surface. Use with a compatible hook-and-loop backup pad or block, and match the listed size before use. The quantity selector counts sellable packages. Use the part-number table to see exactly what is inside one package. Before use: Follow the applicable 3M instructions, technical data, SDS and workplace-safety requirements. Do not infer compatibility from appearance alone.Verified specifications Product Form Disc Abrasive Material Ceramic Aluminum Oxide Attachment Type Hook & Loop Backing Material Paper Backing Weight E Weight Coat Type Open Coat Number of Vacuum Holes 0 Overall Diameter 8 in / 6 in Maximum Speed 6000 rpm / 12000 rpm Wet or Dry Dry 3M MPN Manufacturer case quantity 36530 4 boxes 36522 4 boxes Common questions Which 3M Hookit Abrasive Disc 36e / option should I order?Choose by Size. Confirm the exact 3M manufacturer part number in the configuration table before ordering. What package will I receive?The quantity selector counts sellable packages. For the selected part number, one package is 1 box (50 discs). See the part-number table for the exact package. How is availability determined?Availability comes from the fresh National Oak distributor capture. Shopify inventory replaces the prior quantity and uses a 95% safety buffer. Where can I find technical or safety information?Use the manufacturer resources and documents linked below. Follow the applicable 3M instructions, SDS and workplace-safety requirements. Manufacturer documents and resources 521U Blue Abrasives↗3M visual guide↗3M visual guide↗3M visual guide↗521U Blue Abrasives↗3M product page — 36530↗3M product page — 36522↗ Related 3M products 3M Cubitron Ii Hookit Clean Sanding Abrasive Disc 1000+ Grad3M Hookit Abrasive Disc 80e /3M Hookit Finishing Film Abrasive Disc 260L