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METAL RECEIVER D20 x ID 4 x 3
$0.50 - $0.70 INC GST
Product Code:WASHERD20
Washer Diameter :D20mm
Washer Thickness:3mm
Internal Hole Size :4mm
Countersunk:Yes
Material :Zinc anneal unmagnetised steel washer
The 3mm thickness of the washers is designed to accommodate a flat-head screw, so it does not sit proud and consequently interfere with the required flat connection to the magnets surface.
The 3mm thickness of the washer will also ensure that the magnet can achieve its full magnetic force, compared to using a standard thin washer.