N42 Neodymium Pot Magnet for DIY, Engineering, Manufacturing, Hanging and Holding Applications - 20mm dia x 15mm tall M4 thread 18.3kg Pull Pack of 20

IDEAL FOR HANGING & HOLDING APPLICATIONS. Very strong, these high-performance Neodymium (N42) pot magnets have a threaded collar on the non-magnetic face making them ideal for hanging and holding objects. RESISTANT TO CRACKING & CHIPPING. An added advantage of pot magnets is that they are resistant to chipping or cracking following constant impact with a steel surface. CORROSION-RESISTANT PREMIUM COATING. Coated with three layers of nickel, copper, and nickel to reduce corrosion and provide a smooth finish. STRONG MAGNETIC HOLD. Each magnet can support 18.3kg vertically from the magnetic face when in flush contact with a mild steel surface of equal thickness. SPECIFICATIONS. 20mm diameter x 15mm tall with a M4 7mm deep threaded collar. M4 threaded collar for assembly.