To determine the pitch (chain size), you’ll need to measure the distance between any three consecutive rivets, then divide the result by 2. The rivets are the small, round pegs/studs that hold the chain segments together. Measure from the first to the third, then divide that number in half to get your chain pitch.Click to see full answer. Correspondingly, what do numbers on a chainsaw chain mean?The numbers stamped on a chainsaw chain are an ID code used by the manufacturer to indicate the pitch and gauge measurements of the chain. Pitch and gauge are important dimensions which influence whether or not a chain is compatible with a chainsaw.Also, do drive links matter on chainsaw? Number of individual drive links must be counted. No exceptions. Simple length measurements (like “a 2 foot chain) are not helpful for correctly matching chains. Chain length is determined by a combination of distance between links (pitch) and the number of links. Simply so, what size chain do I need for my chainsaw? To measure the pitch of your chain, measure the distance between any three rivets on your chainsaw chain and divide this number by two. The most common pitches for chainsaw chains are 0.325, 3/8 or 0.404 inches. Occasionally 1/4-inch comes up as the pitch.How many drive links in a 18 inch chainsaw?A 16″ bar normally requires 66 drive links with . 325 chain, Stihl is 67 but they gotta be different. 72 indicates an 18″ bar. The dealer is correct if you had 3/8” chain.
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