{"product_id":"sanding-disc-2-50mm-400-grit-12-each","title":"Proxxon Silicon Carbide Sanding Discs — 12-Pack, 400 Grit, ×50mm, Hook \u0026 Loop, Paint Flatting (No. 28667)","description":"\u003cp\u003eThe \u003cstrong\u003eProxxon Silicon Carbide Sanding Discs (No. 28667)\u003c\/strong\u003e are a 12-pack of 400 grit, ×50mm hook-and-loop sanding discs for the \u003cstrong\u003eProxxon Angle Polisher WP\/E (No. 38660)\u003c\/strong\u003e. At 400 grit, these are the coarsest discs in the WP\/E silicon carbide range — used for the first flatting pass to remove heavier varnish runs, surface inclusions, and paint defects before progressing to finer grits.\u003c\/p\u003e\n\n\u003cp\u003eThe hook-and-loop backing allows fast disc changes without tools. Use as the first step in a three-stage flatting process: 400 grit (this disc) → 1000 grit (No. 28668) → 2000 grit (No. 28670) → polishing compound.\u003c\/p\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFirst-pass paint flatting and defect removal\u003c\/li\u003e\n\u003cli\u003eHeavier varnish run removal\u003c\/li\u003e\n\u003cli\u003eSurface inclusion removal from paint and lacquer\u003c\/li\u003e\n\u003cli\u003eInitial surface preparation before finer grit sanding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e No. 28667\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive:\u003c\/strong\u003e Silicon carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrit:\u003c\/strong\u003e 400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e ×50mm (2\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking:\u003c\/strong\u003e Hook and loop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 12 per pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible tool:\u003c\/strong\u003e Angle Polisher WP\/E (No. 38660)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSilicon Carbide Sanding Disc Grit Guide\u003c\/h2\u003e\n\u003cp\u003eUse in sequence for best results:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 Grit \/ No. 28667 (this pack)\u003c\/strong\u003e — first pass; removes heavier runs, inclusions, and paint defects\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-super-fine-silicon-carbide-sanding-discs-12-pack-1000-grit-o50mm-hook-loop-paint-finishing-no-28668\"\u003e1000 Grit (No. 28668)\u003c\/a\u003e — second pass; fine flatting and surface refinement\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-ultra-fine-silicon-carbide-sanding-discs-12-pack-2000-grit-o50mm-hook-loop-paint-finishing-no-28670\"\u003e2000 Grit (No. 28670)\u003c\/a\u003e — final pass; ultra-fine flatting immediately before polishing compound\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-angle-polisher-wp-e-no-38660\"\u003eProxxon Angle Polisher WP\/E (No. 38660)\u003c\/a\u003e — the host tool for these discs\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-super-fine-silicon-carbide-sanding-discs-12-pack-1000-grit-o50mm-hook-loop-paint-finishing-no-28668\"\u003eSilicon Carbide Sanding Discs — 1000 Grit (No. 28668)\u003c\/a\u003e — next step after 400 grit\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-ultra-fine-silicon-carbide-sanding-discs-12-pack-2000-grit-o50mm-hook-loop-paint-finishing-no-28670\"\u003eSilicon Carbide Sanding Discs — 2000 Grit (No. 28670)\u003c\/a\u003e — final flatting step before polish\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-polishing-set-for-wp-e\"\u003ePolishing Set for WP\/E\u003c\/a\u003e — polishing compounds and pads for the finishing step after sanding\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-polishing-sponges-for-wp-e-conical-hard-white-2-pack-o-50x25mm-hook-loop-no-29096\"\u003ePolishing Sponges — Conical Hard (No. 29096)\u003c\/a\u003e — for applying polishing compound after final sanding\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/proxxon-cordless-angle-polisher-wp-a\"\u003eCordless Angle Polisher WP\/A\u003c\/a\u003e — cordless version of the WP\/E for the same disc system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eReturns can only be accepted for unused product in its original packaging. A copy of the original packing slip or invoice is required. For warranty claims please call 1-877-776-9966. See our full \u003ca href=\"\/pages\/refund-policy\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ereturn and refund policy\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cspan class=\"js-reveal\" data-reveal-target=\".js-reveal-container\"\u003eCalifornia Residents Prop 65 Information\u003c\/span\u003e\n\u003cdiv class=\"js-reveal-container\" data-reveal-mode=\"slide\"\u003e\n\u003cbr\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1643\/2529\/files\/exclamation-mark-24144_large.png?v=1511288737\" alt=\"\" width=\"16\" height=\"14\" border=\"0\" align=\"left\" style=\"margin: 6px 6px 0 0;\"\u003eWARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/div\u003e","brand":"Proxxon","offers":[{"title":"Default Title","offer_id":51229970759904,"sku":"28667","price":9.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/28667-1.jpg?v=1774616033","url":"https:\/\/protoolhaus.com\/products\/sanding-disc-2-50mm-400-grit-12-each","provider":"Pro Tool Haus","version":"1.0","type":"link"}