{"product_id":"pukamam-zirconia-flap-discs-24-pack-4-1-2-40-60-80-120-7-8-arbor-high-speed-metal-grinding","title":"Pukamam Zirconia Flap Discs 24-Pack 4-1\/2\" (40\/60\/80\/120) — 7\/8\" Arbor, High-Speed Metal Grinding","description":"\u003cp\u003e\u003cstrong\u003ePukamam 24 Pack Zirconia Flap Discs are 4-1\/2\" zirconium-oxide sanding wheels designed for grinding, sanding and finishing with most angle grinders.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese flap discs combine durable zirconia abrasives with a universal 7\/8\" arbor to fit the majority of 4-1\/2\" angle grinders and handle speeds up to 13,300 RPM. The set contains 24 discs — six each of 40, 60, 80 and 120 grit — so you have coarse to fine options for stock removal, shaping and finishing. Built for metal and other hard materials, these discs balance aggressive cutting with steady wear life for workshop and jobsite use. Always use proper eye and hand protection when grinding.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these zirconia flap discs perform on metal surfaces?\u003c\/h3\u003e\n\u003cp\u003ePukamam zirconia flap discs are formulated for fast material removal and a consistent finish on steel, stainless steel and other ferrous metals. The tough zirconium-oxide grains resist glazing and breakdown, keeping the cutting action active through longer runs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40 grit: rapid stock removal and weld blending\u003c\/li\u003e\n  \u003cli\u003e60 grit: smoothing rough edges and shaping parts\u003c\/li\u003e\n  \u003cli\u003e80 grit: refining surfaces before finishing\u003c\/li\u003e\n  \u003cli\u003e120 grit: preparing for paint or polish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these discs fit my angle grinder and what speeds are safe?\u003c\/h3\u003e\n\u003cp\u003eEach disc is a standard 4-1\/2\" (115 mm) diameter with a 7\/8\" (22.23 mm) arbor hole, so they are compatible with most handheld angle grinders that accept 4-1\/2\" accessories. They are rated for use up to 13,300 RPM; check your grinder's maximum RPM to ensure safe operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSize: 4-1\/2\" diameter to fit typical grinders\u003c\/li\u003e\n  \u003cli\u003eArbor: 7\/8\" (compatible with most spindles)\u003c\/li\u003e\n  \u003cli\u003eMax speed rating: 13,300 RPM — verify grinder rating\u003c\/li\u003e\n  \u003cli\u003eUse PPE: goggles and gloves recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat range of grit does this 24-pack include and when should I use each?\u003c\/h3\u003e\n\u003cp\u003eThe set provides four grit levels so you can move through coarse removal to fine finishing without changing product lines. Selecting the right grit speeds work and improves the final surface quality.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40 grit for heavy stock removal and rapid shaping\u003c\/li\u003e\n  \u003cli\u003e60 grit for smoothing welds and removing tool marks\u003c\/li\u003e\n  \u003cli\u003e80 grit for intermediate finishing and leveling\u003c\/li\u003e\n  \u003cli\u003e120 grit for final pre-paint or polish prep\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the flap discs last and what materials are suitable?\u003c\/h3\u003e\n\u003cp\u003eLongevity depends on pressure, speed and material, but zirconia-oxide grain delivers stronger wear resistance than common abrasives, extending service life under typical use. These discs are best for metals but also work on some hard non-ferrous materials when used with care.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable zirconia abrasives resist rapid wear\u003c\/li\u003e\n  \u003cli\u003eSuitable for steel, stainless steel and cast iron\u003c\/li\u003e\n  \u003cli\u003eAlso usable on some alloys and hard composites\u003c\/li\u003e\n  \u003cli\u003eService life varies with operator technique and pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This 24-pack from Pukamam is aimed at metalworkers, fabricators, welders, maintenance crews and DIYers who need a range of grits on hand for grinding, blending and finishing tasks. If you use a 4-1\/2\" angle grinder and require a cost-effective kit that moves from aggressive stock removal to final surface prep, this set covers the typical workshop workflow. Remember to match disc grit to the job, respect speed ratings, and always wear eye and hand protection while grinding.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these flap discs compatible with my 4-1\/2\" angle grinder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Each disc is 4-1\/2\" with a 7\/8\" arbor, compatible with most grinders rated at or below 13,300 RPM.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What materials can I use these zirconia flap discs on?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Primarily metals like steel and stainless steel; they also work on some hard alloys and composites when used appropriately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pukamam","offers":[{"title":"Default Title","offer_id":52904223179064,"sku":"B0D6QTVJ29","price":90.07,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6799\/6984\/files\/pukamam-front-packaging-24-pack-flap-discs.jpg?v=1788451469","url":"https:\/\/kelorix.ca\/products\/pukamam-zirconia-flap-discs-24-pack-4-1-2-40-60-80-120-7-8-arbor-high-speed-metal-grinding","provider":"Kelorix Canada | Shop Home, Electronics, Beauty, Toys \u0026 More","version":"1.0","type":"link"}