Ubunini bwa 16b isuka ni 17.02mm.Ukurikije GB / T1243, byibuze igice cyimbere cyubugari b1 kumurongo wa 16A na 16B ni: 15.75mm na 17.02mm.Kubera ko ikibanza p cy'iyi minyururu yombi ari 25.4mm, ukurikije ibisabwa mu rwego rw'igihugu, kuri soko ifite ikibanza kirenga 12.7mm, ubugari bw'amenyo bf = 0.95b1 ibarwa nka: 14.96mm na 16.17mm .Niba ari umurongo umwe wumurongo, ubunini bwikibaho (ubugari bwuzuye amenyo) nubugari bw amenyo bf.Niba ari imirongo ibiri cyangwa imirongo itatu, hari ubundi buryo bwo kubara.
Igihe cyo kohereza: Kanama-31-2023