{"product_id":"od-25mm-x-id-4-5mm-9mm-x-h-4-4mm-plastic-coated-neodymium-countersunk-ring","title":"OD 25mm x ID 4.5mm\/9mm x H 4.4mm - Plastic Coated Neodymium Countersunk Ring","description":"\u003cp\u003e\u003cstrong\u003ePlastic Coated Neodymium Countersunk Ring Magnet\u003cbr\u003e\u003cbr\u003eExternal Dimensions: OD 25mm x ID 4.5mm x H 4.4mm\u003cbr\u003eCountersunk Hole: 9mm (D1)\u003cbr\u003eThrough Hole: 4.5mm (D2)\u003cbr\u003eMagnet Dimensions: [TBC]\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe dimensions of the product are measured in metric units, with an approximate \"tolerance\" (manufacturing margin of error) of +\/- 0.05mm\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Ring countersunk on one face, showing the 4.5mm through hole and 9mm countersink head\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0494\/5834\/8199\/files\/RING_SINGLE_COUNTERSUNK.png?v=1775908958\"\u003e\u003c\/p\u003e\n\u003cp\u003eThese neodymium magnets feature a plastic coating which provides excellent resistance to the elements and is suitable for outdoor or marine use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountersunk Hole:\u003c\/strong\u003e 4.5mm through hole with a 9mm countersink head on one face, to be used with flat head screws or bolts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePull Strength: \u003c\/strong\u003e\u003cstrong\u003eApprox TBC\u003c\/strong\u003e\u003cbr\u003eThe approximate force (in metric units) required to remove a magnet from industry-standard 3mm thick mild steel. These \"strengths\" are measured using mathematical calculations, and should be used as a general guide only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirection of Magnetism: \"Axially\"\u003cbr\u003e\u003c\/strong\u003eMagnetised (top to bottom) thru 4.4mm height. The axis through which a product is magnetised. Products may be magnetised axially, diametrically or otherwise (e.g. multipole). See more about directions of magnetism at our Help Centre.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Direction of magnetism, north and south poles through the height\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0494\/5834\/8199\/files\/AussieMagnets-ThicknessMagnetised.png?v=1614369034\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrade: N42\u003c\/strong\u003e\u003cbr\u003eIn permanent magnets, the grade refers to the materials used in the production process. Material \"grades\" range from low end (weaker) to high end (stronger). See more about magnet grades at our Help Centre.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures: \u003cbr\u003e\u003c\/strong\u003e- Magnet is encased in a durable plastic casing.\u003cbr\u003e- Powerful Rare Earth (Neodymium) permanent magnet.\u003cbr\u003e- Maximum operating temperature 80°C\u003cbr\u003e- Colour: Black\u003cbr\u003e- Countersunk on one face.\u003cbr\u003e- 4.5mm through hole, 9mm countersink head, for flat head screws or bolts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Units:\u003c\/strong\u003e\u003cbr\u003eAvailable in individual units.\u003cbr\u003eBulk discounts available on orders of 1,000pcs or more.\u003c\/p\u003e","brand":"Aussie Magnets","offers":[{"title":"Default Title","offer_id":48388160061607,"sku":"3930","price":16.14,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0494\/5834\/8199\/files\/3930.png?v=1791684569","url":"https:\/\/aussiemagnets.com.au\/products\/od-25mm-x-id-4-5mm-9mm-x-h-4-4mm-plastic-coated-neodymium-countersunk-ring","provider":"Aussie Magnets","version":"1.0","type":"link"}