HB8352-2015 GH4169 镀银螺纹公差带4g6g 光杆公差带f9MJ 螺纹六角头螺栓.pdf

HB8352－2015GH4169镀银螺纹公差带4g6g光杆公差带f9MJ螺纹六角头螺栓Bolt，hexagon-head，MJthread，threadtolerance4g6g，shanktolerancef...