• Qalabka: Birta kaarboon, birta aan la taaban karin, naxaasta.
Nooca madaxa: flat/countersunk, digsi, Laba dabaq, madax wafer, CSK oo leh 4(6) feeraha
• Dhameystir: zinc plated, Black Oxide, Nickel, Rupert, Dacromet, iyo wixii la mid ah
lHeerka: DIN7505
• Cabbirka: M3-M8