Itandukaniro hagati ya EN39 na en74 scal stip

Byombi en39 na en74 ni amahame yo gukora umusaruro waIcyuma cyuzuye imiyoboromu bihugu by'Uburayi. Igituba cy'icyuma gikoreshwa cyane cyane nk'igice cy'ubwoko bwa couplerr

Ibipimo bya En39 ni urwego rwuburayi. Ibipimo bisaba ko ibyuma by'icyuma bikozwe muri karubone yo hasi cyangwa alloy ibyuma. Ubunini bwa steel tube ni 3.2 mm kandi yemera gutandukana kwa Plus cyangwa gukuramo 10%.

Hagati aho, en74 isanzwe nayo ni urwego rwibihugu by'Uburayi. Ibikoresho by'icyuma bisabwa nibisanzwe ni kimwe nibisanzwe en39. Umuyoboro w'icyuma usabwa kuba mm 4.0 kandi wemera gutandukana kwa Plus cyangwa gukuramo 10%. Ubuso buvurwa hamwe nibiva bishyushye.