十字槽盘头自攻螺钉VIP专享VIP免费

中华人民共和国国家标准十字槽盘头自攻螺钉Crossrecessedpanheadtappingscrews1引言本林樵规1草了螺就规格为ST2.2-ST9.5的十字槽盘头自攻螺钉。本标准等敏采用脚际标准ISO7049…1983((十字槽撤头自成螺钉))0251用栋准GB5280-85((自政螺钉用螺就>>;GB3098.5一85((紧周件机械性能自攻螺钉>>GB3103.1一82((紧回件公盖螺栓、螺钉和螺母>>GB944.1一85((螺钉用十字槽)>GB5267…85((螺纹紧回件电镀屁)>GB90…85((紧罔件验收检菇、标志与包装)>0a尺寸KH~段十字槽国家标准局198508…01发布z型n自UDC621.882.216.5.082.8GB845…85代替GB845-76198606一01实施。由za-2黯m螺纹规格ST2.2ST2.9ST3.5ST4.2ST4.8ST5.5ST6.3ST8ST9.5P。.81.11.31.41.61.81.82.12.1αmax0.81.11.31.41.61.81.82.12.1damax2.83.54.14.95.66.37.39.210.7max45.6789.511121620d民mm3.75.36.647.649.1410.5711.5715.5719.48max1.62.42.63.13.744.667.5Kmm1.42.152.352.83.43.74.35.67.1Tmm0.10.1。.10.20.20.250.250.4。.4Tf去每3.2566.589101316檀号No。12s4m参考1.933.94.44.96.46.9910.1H't~插入深度mm0.851.41.41.92.42.63.14.155.2卜7销max1.21.81.92.42.93.13.64.75.8m参考2344.44.86.26.88.910.1Z型插入深度mm。.951.451.51.952.32.553.054.055.25max1.21.751.92.352.7533.54.55.7C型22.63.23.74.3567.58E{参考}F-'rl1.在2.12.52.83.23.63.64.24.2白白ah·领it--"mm螺纹规格ST2.2ST2.9ST3.5ST4.2ST4.8ST5.5ST6.3ST8ST9.5C型F型公称mmmaxmmmax4.53.75.33.74.56.55.77.35.76.59.58.710.38.79.51312.213.812.2131615.216.815.216商品1918.219.818.219规2221.222.820.722格2524.225.823.725范围3230.733.330.7323836.739.336.7384543.746.343.5455048.751.348.550续表不予制造。注CDp=螺距。②表中带"一"标远的规格，GB845-854技术条件蝶纹GB5280-85机栅性能GB3098.5…85产品等级A公盖标准GB3103.1-82十字槽GB944.1…85我面处理镀钵钝化GB5267喃喃851食收及包装GB90-855标记螺纹规格ST3.5、公称长度l=16mm、H型楠、镀悴钝化的C型十字槽盘头自攻螺钉的标记示例:自攻螺钉GB845…85-ST3.5x16-C伽H附加说明:本标准由中华人民共和国机械工业部提出，由机械工业部标准化研究所归口o本标准由机械工业部标准化研究所负责起草。