Ningbo Bestway Magnet Co., Ltd.  

Product Name: NdFeB Countersunk Magnet Model NO.: BWND Grade: N38 Coating: Nickel Shape: Countersink Application: Speaker Magnet, Industrial Magnet, Motor Magnet Product Name: Countersunk NdFeB Magnet Magnetized Direction: by Axially Delivery: 15-20 Days Shipment: by Sea/Air/Express Port: Ningbo,Shanghai Tolerance: 0.08mm-0.1mm Type: Permanent Composition: NdFeB Magnet Trademark: BESTWAY Transport Package: Export Carton Specification: REACH, ROHS, CE Origin: Ningbo, Zhejiang HS Code: 8505111000 Product Description Neodymium magnet(also know as NdFeB, NIB, or Neo magnet), the most widely used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron and boron to form the Nd2Fe14B teragonal crystalline structure. These magnets are widely used in many applications in modern products, such as motors in cordless tools, computer hard drives, wind turbine generators/audio speakers/headphones, bicycle dynamos...N35 OD25x(id6.5-4)x4mm NdFeB Ring Magnet W/Teflon coatingThe teflon coating is special coated, which has many advance itself, the characteristic as follows:1.0.08mm-0.1mm2. SST(Salt Spray Test)120 hours3. Enviromental, it can work in the application which had requirement to the water quality4. Wearable, good for anti-attrition5. High working temperature, which can work under 380º C6. It can work in acid circumstance or alkaline circumstanceMaterial: Nd-Fe-BCoating: TeflonGrade: N35-52, M, H, SH, UH seriesDelivey: 15-20 daysShipment: By express/air/seaFree samples are be supplied at your request.Welcome to contact us to know more information.MAGNETIC AND PHYSICAL CHARACTERISTICS (NdFeB)No.TYPERemanence BrCoercive-force bHcIntrinsic coercive force iHcMax. energy product (BH) maxWorking TemperatureKGsTKOeKA/mKOeKA/mMGOeKJ/m³0 C1N-3511.7-12.11.17-1.2110.8-11.5860-915≥12≥95533-35263-279≤802N-3611.9-12.21.19-1.2210.8-11.5860-915≥12≥95534-36271-287≤803N-3812.2-12.61.22-1.2610.8-11.5860-915≥12≥95536-38287-303≤804N-4012.6-12.91.26-1.2910.5-11.0836-876≥12≥95538-40303-318≤805N-4212.9-13.21.29-1.3210.5-11.0836-876≥12≥95540-42318-334≤806N-4313.0-13.31.30-1.3310.5-11.0836-876≥12≥95541-43326-342≤807N-4513.3-13.71.33-1.3710.5-11.0836-876≥12≥95543-45342-358≤808N-4813.6- 14.21.36 1.42926 11.6876 11.0≥12≥95545-48358-382≤809N-5014.1-14.51.41-1.4511-11.4828-907≥11≥87648-50382-398≤7010N-5214.4-14.81.44-1.4810.5-11.4828-907≥11≥87649.5-52394-414≤7011N-35M11.7-12.11.17-1.2110.8-11.5860-915≥15≥119433-35263-279≤10012N-36M11.9-12.21.19-1.2211.1-11.6884-923≥15≥119434-36271-287≤10013N-38M12.2-12.61.22-1.2610.8-11.5860-915≥14≥111436-38287-303≤10014N-40M12.6-12.91.26-1.2910.8-11.5860-915≥14≥111438-40303-318≤10015N-42M12.9-13.21.29-1.3210.8-11.4860-907≥14≥111440-42318-334≤10016N45M13.3-13.71.33-1.3710.8-11.4860-907≥17≥111443-45334-358≤10017N48M13.6-14.21.36-1.4211.4-12907-905≥14≥111445-48358-382≤10018N-30H10.8-11.21.08-1.1210.1-10.6804-844≥17≥135328-30223-239≤12019N-33H11.4-11.71.14-1.1710.6-11.1844-884≥17≥135331-33247-263≤12020N-35H11.7-12.11.17-1.2110.8-11.5860-915≥17≥135333-35263-279≤12021N-36H11.9-12.21.19-1.2211.1-11.6884-923≥17≥135334-36271-287≤12022N-38H12.2-12.61.22-1.2611.5-12.0915-955≥17≥135336-38287-303≤12023N-40H12.6-12.91.26-1.2911.5-12.0915-955≥17≥135338-40303-318≤12024N-42H12.9-13.21.29-1.3211.5-12.0915-955≥17≥135340-42318-334≤12025N-44H13.3-13.61.33-1.3611.4-11.9907-947≥16≥127442-44334-350≤11026N-30SH10.8-11.21.08-1.1210.1-10.6804-844≥20≥159228-30223-239≤15027N-33SH11.4-11.711.4-11.710.6-11.1844-884≥20≥159231-33247-263≤15028N-35SH11.7-12.11.17-1.2110.8-11.5860-915≥20≥159233-35263-279≤15029N-38SH12.1-12.51.21-1.2510.8-11.5860-915≥20≥159236-38287-302≤15030N-40SH12.6-12.91.26-1.2910.8-11.5860-915≥20≥159238-40303-318≤15031N-42SH13-13.31.30-1.3311.4-11.9907-947≥19≥151240-42318-314≤14032N28UH10.4-10.81.04-1.089.8-10.2780-812≥25≥199026-28207-223≤18033N30UH10.8-11.21.08-1.1210.1-10.6804-844≥25≥199028-30223-239≤18034N35UH11.7-12.11.17-1.2110.5-11.2836-890≥25≥199033-35263-278≤18035N38UH12.2-12.61.22-1.2611.4-11.9907-947≥25≥199036-38287-303≤18036N28EH10.4-10.81.04-1.089.8-10.2780-812≥30≥238826-28207-223≤20037N30EH10.8-11.21.08-1.1210.1-10.6804-844≥30≥238828-30223-239≤20038N33EH11.4-11.71.14-1.1710.3-11.0820-876≥30≥238831-33247-263≤20039N35EH11.7-12.11.17-1.2110.8-11.4860-907≥30≥238833-35263-279≤200Remark: The above mentioned data of magnetic and physical characteristics are given at room temperature