美式眼形滑钩◆用合金钢模锻而成◆采用特殊的热处理工艺，使之达到要求的高强度链条直径（mm）额定载荷（t）重量（kg）参数（mm）ABCDEFGHKLNR70.890.1826.912.77.17023.930.220.622.412.793546581.30.2931.8168.6577.526.931.823.925.414.21075775101.810.538.918.310.49233.338.128.730.216.81246585.5112.270.7142.920.611.2110.239.64635.136.620.614577.598.5132.950.9549.323.912.7122.242.949.339.641.423.116187.5109164.21.7760.528.7161435160.54649.327.7195102133195.673.147335.119.1171.5547055.558.533.3222121147)