Hexagonal nuts M8-8 HDG ISO 4032 With TufLok® sealing 360° 1500 pcs. Hexagonal nuts M10-8 HDG ISO 4032 With TufLok® sealing 360° 100 pcs. Hexagonal nuts M12-8 HDG ISO 4032 With TufLok® sealing 360° 1000 pcs.