3M Stikit Blue Abrasive Disc 521U, No Hole

3M · Professional body repair and refinishing3M Stikit Abrasive Disc 40e / 3M™ Stikit™ 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™Stikit™ 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 AttachmentPSA 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 3Stikit™ system for simple, secure application Feature 4Available in a variety of sizes and grades. Exact 3M part numbers and package contents 3M MPN Size What you receive UPC 36581 8 in 1 box (50 discs) 068060061812 36551 5 in 1 box (50 discs) 068060061737 36561 6 in 1 box (50 discs) 068060061775 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 pressure-sensitive-adhesive pad or block; Stikit and Hookit attachments are not interchangeable. 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 PSA Backing Material Paper Backing Weight E Weight Coat Type Open Coat Number of Vacuum Holes 0 Overall Diameter 8 in / 5 in / 6 in Maximum Speed 6000 rpm / 12000 rpm / 10000 rpm Wet or Dry Dry 3M MPN Manufacturer case quantity 36581 4 boxes 36551 4 boxes 36561 4 boxes Common questions Which 3M Stikit Abrasive Disc 40e / 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 — 36581↗3M product page — 36551↗3M product page — 36561↗ Related 3M products 3M Cubitron II Stikit Film Disc Roll 775L, 220+ 3MIL, 5 in x NH, Die 500X, 100 D3M Stikit Abrasive Disc 36e /3M Stikit Blue Abrasive Disc Roll 321U