Got a small kitchen, little free countertop space & not enough drawers? An affordable & popular project for knife storage is building your own wall mounted magnetic knife holder. This 12.5x5mm (~1/2x3/16”) neodymium boron disc magnet can hold nearly 9 pounds & can be used in any number of applications.
Not just for knives or kitchens. Styles vary greatly in design & cost but you can build a custom version at a fraction of the cost. Magnetic knife holders are a great way to organize & securely store your whisks, ladles, work tools, art supplies & keys according to functionality. Size it to fit any nook ;& cranny in the kitchen, garage, tool room or craft areas.
Picking the right magnet size & strength is a matter of desired thickness & distance between the embedded magnet & front surface of the knife rack. Check the specifications table below for holding force vs distance. If the remaining wood is only 1mm thick, this magnet can hold over 6 pounds. A thicker magnet like the 12.5x7.5 {link] can hold 8.2lbs through the same wood thickness. You can mix magnet thicknesses or diameters to match different sized knives.
Field Strength (Gauss) & Pull Force in Pounds & Kilograms at 5 Distances Above Magnet | |||||
SKU: 44204-5 Size: 12.5 × 5mm | |||||
Distance (mm): | 0 | 0.1 | 1 | 10 | 100 |
---|---|---|---|---|---|
Gauss | 4123.0 | 4067.1 | 3528.0 | 495.5 | 1.2 |
Lb | 9.18 | 8.93 | 6.72 | 0.13 | 0.00 |
Kg | 4.17 | 1.95 | 1.47 | 0.03 | 0.00 |
Magnet Documentation |
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Drawing | Compliance | MSDS | ROHS | Graph | |
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RemanentFlux Density (Br) | 13,000G; 1300mT |
Coercivity (bHc) | 12.0 Oe; 955 A/m |
Intrinsic Coercivity (jHc) | 17.0 Oe; 1353 A/m |
Max.Energy Product (BHMax) | 42 MGO; 334 kJ/m3 |
Curie Temperature (Tc) | 310oC |
Working Temperature (Tw) | 80oC |
Temp.Coefficient (αB)r | -0.12%/Co |
Dimensions | Tolerances | |||
Size: |
Inches | mm | Inches | mm |
---|---|---|---|---|
0 to 0.125 | 0 to 3 | +/- 0.006 | +/- 0.15 | |
0.126 to 0.625 | 3 to 16 | +/- 0.012 | +/- 0.30 | |
0.626 to 0.875 | 16 to 22 | +/- 0.018 | +/- 0.45 | |
0.876 and Up | 22 and Up | +/- 2.5% | +/- 2.5% |
Inch | Decimal | mm | Rounded |
---|---|---|---|
1/32" | 0.031 | 0.8 | 1 |
3/32" | 0.094 | 2.4 | 2.5 |
5/32" | 0.156 | 4.0 | 4 |
1/16" | 0.063 | 1.6 | 1.5 |
3/16" | 0.188 | 4.8 | 5 |
2/10" | 0.200 | 5.1 | 5 |
1/8" | 0.125 | 3.2 | 3.75 |
1/4" | 0.250 | 6.4 | 7.5 |
5/16" | 0.313 | 7.9 | 7.5 |
3/8" | 0.375 | 9.5 | 10 |
13/32" | 0.406 | 10.3 | 10 |
1/2" | 0.500 | 12.7 | 12.5 |
9/16" | 0.563 | 14.3 | 15 |
5/8" | 0.625 | 15.9 | 15 |
11/16" | 0.688 | 17.5 | 17.5 |
3/4" | 0.750 | 19.1 | 20 |
13/16" | 0.813 | 20.6 | 20 |
7/8" | 0.875 | 22.2 | 22.5 |
15/16" | 0.938 | 23.8 | 25 |
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