ANSI100 20A
General information
American standard roller chain according to ANSI B29.1. ANSI100. Chains marked 20A have a pitch of 31,75 mm, an internal width of 18,9 mm and a roller diameter of 19,05 mm.
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American standard roller chain according to ANSI B29.1. ANSI100. Chains marked 20A have a pitch of 31,75 mm, an internal width of 18,9 mm and a roller diameter of 19,05 mm.