Dhumucda godka 16b waa 17.02mm. Sida ku cad GB/T1243, ballaca qaybta gudaha ugu yar ee b1 ee silsiladaha 16A iyo 16B waa: 15.75mm iyo 17.02mm siday u kala horreeyaan. Maadaama godka p ee labada silsiladoodba ay yihiin 25.4mm, sida ku cad shuruudaha heerka qaranka, godka leh godka ka weyn 12.7mm, ballac ilkaha bf=0.95b1 waxaa loo xisaabiyaa: 14.96mm iyo 16.17mm siday u kala horreeyaan. Haddii uu yahay godka hal saf ah, dhumucda godka (ballaca ilkaha oo buuxa) waa ballac ilkaha bf. Haddii uu yahay godka laba saf ah ama saddex saf ah, waxaa jira qaacido kale oo xisaabin ah.
Waqtiga boostada: Agoosto-31-2023