Impamyabumenyi-ikomeye ya bolt yakozwe ninganda zacu zirimo metric 8.8, 10.9, 12.9, ASTM isanzwe UNC Gr5, amanota 8. Imbuto zifite imbaraga nyinshi zirimo metric 8 na 10, na ANSI icyiciro cya 5 na G8, byose bisaba kuvura ubushyuhe