Ibikoresho: Ibyuma bya Carbone, Ibyuma
Diameter: mm 2,5-3,1 mm
Inomero y'imisumari: 120–350
Uburebure: mm 19-100
Ubwoko bwo gukusanya: insinga
Inguni yo gukusanya: 14 °, 15 °, 16 °
Ubwoko bwumutwe: Umutwe
Ubwoko bwa Shank: Byoroheje, Impeta, umugozi
Ingingo: Diamond, Chisel, Blunt, Ntaho bihuriye, Clinch-point
Kuvura hejuru: Umucyo, Electro Galvanised, Ashyushye Yashizwemo, Irangi irangi