China Professional Ansi standard roller chain with Great quality

0 Pitch Width Roller Plate Pin Transverse Average Approx Weight  Ultimate kg/m P W Dia Height Thickness Dia Lengths Pitch Strength inch mm mm R H1 H2 T1 T2 D F G G1 C kgf *25-1 1/4″ 6.35 3.18 3.3 5 5.8 0.75 0.75 2.3 3.8 4.8 — — 450 0.1 *25-2...