• Fitaovana: vy karbônina, vy tsy misy pentina, varahina.
• Karazan-doha: fisaka / countersunk, vilany, Double Flat, loha wafer, CSK misy taolan-tehezana 4 (6)
• Vita: zinc plated, Black Oxide, Nickel, Rupert, Dacromet, sy ny sisa
• lStandard: DIN7505
• Habe: M3-M8