• Materjal: Azzar tal-karbonju, azzar li ma jissaddadx, ram.
• Tip ta 'ras: ċatt/countersunk, pan, Double Flat, ras tal-wejfer, CSK b'4 (6) kustilji
• Finish: żingu indurati, Black Oxide, Nikil, Rupert, Dacromet, eċċ
• lStandard: DIN7505
• Daqs: M3-M8