Specialinsert is an Italian company that manufactures industrial fasteners including the Keep-Nut, an innovative press-in insert for attaching materials like stone, composites, and glass. The Keep-Nut has elastic crowns that press radially into drilled holes for a secure mechanical connection without adhesives. It has been used successfully in ventilated facade and interior projects around the world. Test results show the Keep-Nut can withstand high tensile loads of over 500kg when used in materials like granite, HPL, and Corian.