08B (12,7x7,8mm)

General information

 

08B is a European roller chain according to ISO606. 1/2" x 5/16". The graduation is 12.7 mm, the roller diameter is 8.51 mm, the roller width is 7.75 mm. One of the most common industrial chain sizes. He is the "half-inch". It is identical to the division of 081,083,084,085, but wider, stronger, and cheaper due to higher production volumes...