Challenge 12B Coil Chains (GL12B-1/LH%CHA)
Description
One roll of chain 12B has a length of 5 meters. (For some products, it can be 50m or 100m, this will be marked separately.) Each box contains a roll roller chain and a piece of straight snap link. Roller chains marked 12B can be single-row (simplex, denoted 12B-1), two-row (duplex, marked 12B-2) and three-row (triplex, marked 12B-3). The chains marked 12B have a division of 19.05mm, an inner width of 11.68mm, and a roller diameter of 12.07mm. This is the "three-quarter-inch" roller chain. For roller chains marked 12B, snap links and/or sprockets marked 12B must be used.