HB8344-2015 GH4169 螺纹公差带4h6hMJ螺纹小六角头螺钉.pdf

HB8344－2015GH4169螺纹公差带4h6hMJ螺纹小六角头螺钉Screw，hexagon-head，MJthread，threadtolerance4h6h，GH41692015－10－10发布2016－...