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Flat mount with a tapered center hole for recessing the head of a srew.
Ø20 x 7.2mm Countersunk Pot Magnet /M4 Countersunk
Item Code: A20
Product Dimensions
| Voice | Name | Symbol | SI | IN |
|---|---|---|---|---|
| Shape | Diameter | D | 20 mm | 0.79 " |
| Internal diameter | ID | 4.5 mm | 0.18 " | |
| Countersinking | D1 | 8.6 mm | 0.34 " | |
| Height | H | 7.2 mm | 0.28 " | |
| Screw | M | M4 | ||
| Direction of magnetization | M | Axially | ||
| Weight | Net | 15 g | ||
| Pull Force | Attraction | 6 kg | 13 Lbs | |
| Surface treatment | Ni | 12 μm | ||
| Material properties | Material symbols | Pot Neodymium | N35 | |
| remanence | Br | 1170-1220 mT | 11.7-12.2 kG | |
| Coercivity | Hcb | ≧868 kA/m | kOe | |
| Intrinsic coercive force | Hcj | ≧955 kA/m | kOe | |
| Maximum energy product | BH | 263-287 kj/m3 | MGOe | |
| Temperature coefficient | Br | -0.12 %/℃ | ||
| Hcj | -0.55 %/℃ | |||
| Heat resistant temperature | Tw | ≦80 ℃ | ||
| Curie temperature | Tc | 310 ℃ | ||
| Density | ρ | 7.5 kg/m3 | ||
| Remarks | Attraction/heat force depends on the measurement equipment and the environment. These are only references values, these are not the guaranteed value. | |||