六角螺钉（JIS B 1152 1154 摘 录） 六角螺钉 小螺钉 六角螺钉公制螺纹单位 mm标称直径d螺距Pd1HBCD1（约）r（最大）K（约）SLM101.5106171961650.51.52014100M121.7512921242200.522218130M1621611263025122825140M202.5201332373112.53235170M243241638439361.533850170M303.5302046531441.53.54260250M36436245462452245270250六角螺钉应用例六角螺钉（公制螺纹场合） 单位 mm标称直径dd1dBCDHHM1010111719.63067M1212132124.238910M1616182630441113M2020223237501314M2424263843.9621617M3030334653.1722022M3636395462.4842426小螺钉单位 mm标称直径d螺距PDHCabSL30.661.750.250.80.71244040.7582.30.310.91645050.9102.80.31.21.12065061123.40.41.21.42585081.25164.40.41.61.8301060单位 mm标称直径d螺距PDHabrSL30.65.520.81.10.21244040.7572.611.40.31645050.993.31.21.80.3206506110.53.91.22.10.32585081.25145.21.62.80.4301060小螺钉应用例单位 mm标称直径ddDDHH33.4671.751.844.589.32.32.455.51011.52.8366.51213.73.43.688.816184.44.6标称直径ddDDHH33.45.5622.344.5782.6355.59103.33.866.510.511.53.94.488.814155.25.8