aB中华人民共和国机械行业标准JB/T7384.1~7384.18-9紧固件专用检具994-07-26发布1995-07-01实施中华人民共中华人民共和国机械行业标准紧固件JB/T7384.l-94对角宽度止端检验模1主题内容与适用范图本标准规定了检测六角头螺检、六角螺母对角宽度止端检验模的型式和尺寸车标准适用于ZBJ130021表2第4项引用标准GB1957光滑极限量规GB3103.1紧固件公差螺检、螺钉和螺母ZBJ3002.1緊固件测试方法螺检、螺钉、螺柱和螺母的尺寸与几何精度3型式和尺寸螺栓对角宽度止端检验模的型式和尺寸按图1及表1的規定;螺母对角宽度止端检验模的型式和尺寸按图2及表2的规定。方=0、5-1机械工业部199407-26批准199507-01实施JB/T7384.1-9图2表1螺纹规格M14)MI8.791.0514.3817.7720.0323.3526.75B、C级8.6310.8914.2017.5815.85221826.17极限偏差0.01118232635级3.45极限偏(化整)+6t(化整)+8(化整)+10JB/T7384.1-94续表1纹規格CM8)M2(M22M24301435337239.829.5632.9537.2939.5550.8555.3760.79极限偏差00.0160.01910.310.21.7级2极限偏差24.5336D65t(化整)+10t(化整)+12t(化整)+14螺纹规格级66.4471.3076.9582.6088.25935699.21104.86极限偏差0,0190.022A级22.8C级20,122,2极限偏差+0.027+0.03345.548.552r(化整)化整)+15化整)+18/T7384.1-94纹规格M6M2MzMM⊥M5M6MM0M12A缀3.414.325.456.01Lz687911105143817203DB.C级3.28418158158258531.89114.301.59185极限偏差1型08141.72:3.539564834325.n17.155+0.014极限偏差+0.018极限偏差60.81.11.241.561.962.322.963.764,56极限偏差+0.01420224(化整)+5(化整)+6(化整)+8螺纹规格01oM1618M002 M24(M27)|M30TwayAD[Bc级22142312:63051931:545205053极限偏差□1型9713121135143162181942918.121.8极限偏差|+0.02+0.0270.033132.32.3226.n22928328.12极限偏差0.033+0.039极限偏差D.022+0.0275054565865(化整)+10化整)+12整14.5续表2螺纹规格M36(M39)M42(M45)M48M52)tM60)a.[Bc级67647202B682s56192146极限偏差12:25425:25:1333732:3326.5+0.033+0.039极限偏差48T0.0390.046极限偏差718.219.521.4极限偏差+0.027D108115(化整)+14化整)+15化整)+18