Material NdFeB Neodymium Shape Disc with 3.5mm hole and counter sink profile Size 10mm diameter x 3mm thickness /- 0.1mm (c/s= 7mm dia /3.5mm hole) Grade N45 Operating Temperature ≤80℃ /176F Plating Triple plated (Nickel-Copper-Nickel) Magnetic Face Axially Magnetised Quantity 10- 1000 Vertical Pull Force 1.4 kg against minimum 5mm steel plate suitable for screws dia 3.5mm / 4mm (size 6 / 8) Neodymium Magnets are brittle and care must be taken when tightening screws, we suggest you tighten screws slowly using a standard screwdriver by hand instead of electric drill driver/ impact driver which will shatter these magnets!!
