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At first glance, do you think this is an ordinary ring magnet? In fact, it is a sinking ring neodymium magnet. The performance is N38 grade. The specific size is 20mm in diameter, 3mm in thickness, 8mm in the middle hole, and magnetized in thickness. is its schematic diagram.
Sinking Hole Magnet 20 x 3 Middle hole 8mm drawing
More magnets with holes in the middle are waiting for you to choose: https://www.dgcourage.com/zhuanti/magnet-with-Hole-in-middle/
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This is a very small size rectangular block magnet with galvanized surface, 3mm length, 1.5mm width and height, with very fine tolerance, magnetized by lengthwise direction, mainly used in precision electronics, instrumentation, please contact us if you need to buy....
Flat magnets can be flat square magnets or round magnets. Today's sample is a flat rectangular magnet, with a length of 20mm, a width of 10mm, a thickness of 1.5mm, and a zinc coating on the surface. Thickness magnetization is used for thin workpieces. The use of this relatively flat neodymium rectangular magnet requires special attention....
This is a dedicated to screwdrivers, drills on top of the ring magnet, the material is rare earth neodymium, N38 grade, outer diameter 15mm, height 10mm. hole diameter 7mm, the use of very simple, is to set the magnetic ring in the screwdriver (screwdriver head) on top of the purchase of the hole is recommended to be larger 1mm....
Product name: 9.5mm diameter thickness 1.5mm neodymium intense magnetic，Type of magnet: permanent magnet，Magnet shape: Round，Magnet class: n45，Tolerance: ±0.05，Coating: conventional nickel copper nickel，Pull: About 1.6 pounds，Magnetic strength: about 2200 Gauss....
Most of the epoxy magnets we have seen are black, that is, black epoxy magnets. In fact, it can also have other colors, such as gray, red, blue, green, etc. If you like this kind of magnet, please give us feedback. The size and performance grade can be customized....
This product is a customized countersunk magnet ring, made of rare earth neodymium iron boron, 17mm outer diameter, black nickel plating on the surface, compared with ordinary nickel plating....
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You are now viewing this is a high grade (N50) hollow cylindrical magnet with a through hole drilled in the middle of a cylindrical neodymium magnet, OD size 7.5mm, hole 3mm, height 30mm....