型号2269.142材质碳钢适用范围机械五金行业供应德国进口浮动支承钉，螺栓，***配件2269材质：钢材处理：表面硬化、染黑平面球面齿面ABCDE两面宽F品号品号品号2269.0212269.1212269.22119.417201017M8×1.252269.0312269.1312269.23121.919221019M10×1.52269.0322269.1322269.23221.919271519M10×1.52269.0012269.1012269.20125.222241022M12×1.752269.0022269.1022269.20225.222291522M12×1.752269.0422269.1422269.24233.030341530M16×2.02269.0432269.1432269.24333.030392030M16×2.0)