{"product_id":"cut-off-wheel-4-5-inch-metal-cutting-disc-5-pack","title":"Abrasive Cut-Off Wheels 4-1\/2\" x 7\/8\" for Metal — 5-Pack Cutting Discs for Steel, Iron \u0026 Rebar","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003e4-1\/2\" Abrasive Cut-Off Wheels for Metal — Fast, Clean Cuts on Steel, Iron \u0026amp; Rebar\u003c\/h2\u003e\n\u003cp\u003eWhether you're trimming rebar on a concrete pour, cutting angle iron for a fabrication project, or slicing through structural steel on a renovation job, running out of cutting discs mid-task kills momentum. These 4-1\/2\" x 7\/8\" abrasive cut-off wheels are built for tradespeople and serious DIYers who need reliable performance across a full day's work — not just a single cut.\u003c\/p\u003e\n\u003cp\u003eEach disc measures 4-1\/2\" (115mm) in diameter with a 7\/8\" (22.2mm) arbor hole and a slim 0.045\" (1.1mm) cutting profile. The 5-pack format means you have backup discs on hand for extended jobs. Constructed from aluminum oxide abrasive bonded under high pressure, these wheels deliver consistent bite and controlled heat dissipation cut after cut.\u003c\/p\u003e\n\u003cp\u003eIdeal for structural steel fabrication, rebar prep before concrete pours, HVAC ductwork trimming, and general metalworking in the shop or on-site. Compatible with most 4.5-inch angle grinders — a go-to consumable for contractors, welders, and home workshop builders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔧\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits most 4.5\" angle grinders with a 7\/8\" arbor — including DeWalt, Makita, Bosch, Milwaukee, Metabo, and Ryobi models.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These 4.5\" Metal Cut-Off Wheels\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cstrong\u003eFast, clean cuts:\u003c\/strong\u003e Thin 0.045\" kerf removes minimal material and reduces heat buildup for precise, burr-light results on steel and iron.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003eBroad material compatibility:\u003c\/strong\u003e Rated for mild steel, iron, rebar, angle iron, and most ferrous metals — one disc type for multiple job-site tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cstrong\u003eHigh-pressure bonded abrasive:\u003c\/strong\u003e Aluminum oxide grain bonded under controlled pressure for consistent cut depth and extended disc life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cstrong\u003eUniversal 7\/8\" arbor fit:\u003c\/strong\u003e Drop-in compatible with the vast majority of 4.5-inch angle grinders without adapters or modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cstrong\u003e5-pack value format:\u003c\/strong\u003e Keep spares on the job without overstocking — enough discs to cover a full project without mid-task interruptions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🌡️\u003c\/span\u003e\u003cstrong\u003eRated up to 13,300 RPM:\u003c\/strong\u003e Engineered to handle the output of standard corded and cordless angle grinders safely within rated speed limits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — 4.5\" Abrasive Cut-Off Disc\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDisc Diameter\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\" (115mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eArbor Hole\u003c\/th\u003e\n\u003ctd\u003e7\/8\" (22.2mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisc Thickness\u003c\/th\u003e\n\u003ctd\u003e0.045\" (1.1mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax RPM\u003c\/th\u003e\n\u003ctd\u003e13,300 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAbrasive Material\u003c\/th\u003e\n\u003ctd\u003eAluminum Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Materials\u003c\/th\u003e\n\u003ctd\u003eSteel, Iron, Rebar, Ferrous Metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e5 Discs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrinder Compatibility\u003c\/th\u003e\n\u003ctd\u003e4.5\" angle grinders (standard arbor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eHDTKA0004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight (per pack)\u003c\/th\u003e\n\u003ctd\u003e0.65 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat materials can these cut-off wheels cut?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese abrasive discs are designed for steel, iron, rebar, angle iron, and most ferrous metals. They are not recommended for aluminum or stainless steel without checking the disc rating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat angle grinder size do these fit?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese 4-1\/2\" (115mm) discs with a 7\/8\" (22.2mm) arbor hole fit most standard 4.5-inch angle grinders from brands like DeWalt, Makita, Bosch, Milwaukee, and Ryobi.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow many cuts can I expect per disc?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eUnder typical conditions cutting mild steel or rebar, each disc is rated for 1,000+ cuts. The 5-pack is designed to give you extended job-site coverage without frequent restocking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum RPM rating?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese wheels are generally rated for up to 13,300 RPM. Always verify your grinder's RPM does not exceed the disc's rated speed before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these discs safe to use?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes, when used with proper PPE (face shield, gloves, hearing protection) and within the rated RPM. Always inspect discs for cracks or chips before mounting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thickness are these cut-off wheels?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese are thin cut-off wheels, typically 0.045\" (1.1mm) thick, designed for fast, clean cuts with minimal material loss.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these for grinding as well as cutting?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo. Cut-off wheels are designed exclusively for straight cutting. Using them for side grinding can cause disc failure. Use a dedicated grinding disc for surface work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your quantity above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":52282588594450,"sku":"HDTKA0004","price":15.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/1_35a01e6e-e426-4d6e-ab71-9fd3dd7e0f99.jpg?v=1778916153","url":"https:\/\/homediyer.com\/products\/cut-off-wheel-4-5-inch-metal-cutting-disc-5-pack","provider":"HomeDIYer","version":"1.0","type":"link"}