HB8334-2015 GH4169 镀银螺纹公差带4g6gMJ 螺纹六角头螺钉.pdf

HB8334－2015GH4169镀银螺纹公差带4g6gMJ螺纹六角头螺钉Screw，hexagon-head，MJthread，threadtolerance4g6g，silverplating，GH41692015...