WISKA EN20 P NUT 20mm brass locking earth nut Piranha
Part No.:
M20 20mm Brass Earthing Nut supplied with grub screw, Pan head earthing screw and locking washer. Tested to 10.4.2 of BS EN 50262
Each nut has a plain side with raised teeth on the opposite side that bite into the box when tightend
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