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China factory Tsubaki Chain Short-Pitch 20A-2 Precision Industrial Martin Gearbox Transmission Roller Chains Product Description Basic Info ANSI NO: 100-2R DIN/ISO NO: 20A-2 Pitch (mm): 31.75 Roller Diameter(mm): 19.05 Pin Diameter(mm): 9.53 Plate Thickness (mm): 4.00 Inner Plate Width (mm): 18.90 Average Tensile Strength: 215.2KN Chain Size: 5FT, 10FT,...