• Ibikoresho: Ibyuma bya karubone, ibyuma bidafite ingese, umuringa.
• Ubwoko bwumutwe: igorofa / ibara, isafuriya, Double Flat, wafer umutwe, CSK ifite imbavu 4 (6)
• Kurangiza: zinc isize, Oxide yumukara, Nickel, Rupert, Dacromet, nibindi
• lBisanzwe: DIN7505
• Ingano: M3-M8