Steel chains 12 Steel chains 881 M Article-Nr. Ref. A (Plate Width) in-mm R in-mm Weight lbs/ft-kg/m Surface finish in-5 -μm Surface Flatness in-mm Polished Hinge eyes Max working load (lbs/N) Plate Thickness in-mm SSM Max Speed - Hardened pins 10080302 SSM 881 MO K325 3.25/82,5 19.68/500 1.71/2,55 0.008/0,2 0.003/0,08 YES 1350/6000 0.12/3,1 10080303 SSM 881 MO K330 3.30/83,8 19.68/500 1.74/2,59 0.008/0,2 0.003/0,08 YES pg. 388->391 pg. 80-81/98 80 links 10 feet 3.048 m Magnetic System Max Speed High Performance Improved working load Optimum plate & hinge flatness Minimum possible gap Link with improved chamfer Total quality control Hardened pins Calibrated pin and hinge Polished hinges Sideflexing chain Pins: Martensitic 1.4057 Backflex radius min.: 3.94 in/100 mm 881 M A 1.77/45 R 0.53/13.5 0.26/6.6 0.39/9.8 0.12/3.1 1.66/42 1.50 38.1 R 1 0 0 R 3 . 9 4 Ø6.35 Ø0.25