Product Description Item No. φD L W L1 L2 M Tighten the strength(N.m) SG7-8-C19-WPY 19.5 27 1.2 9.4 5.8 M2.5 1 SG7-8-C26-WPY 26 35 2.5 11.5 7 M3 1.5 SG7-8-C34-WPY 34 45 3.3 14.5 9.4 M4 1.5 SG7-8-C39-WPY 39 49 4.1 15 10.8 M4 2.5 SG7-8-C44-WPY 44 50 4.5 15 11 M4 2.5 SG7-8-C50-WPY 50 … Continue reading China Best Sales High Quality and Torque Double Disc Type for Motors Shaft Flexible Coupling