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1、 常用内六角螺丝螺纹规格表规格M3M4M5M6M8M10M12M14M16M20M22M24M30M36沉头深度（mm）-C34568101214162022243036沉头直径（mm）-D578.51013161821243033364554沉头逃孔深度（mm）-B3.54.55.56.5911131517.521.523.525.53238沉头逃孔直径（mm）-A5.5891114172023263235384858螺纹标准螺距0.50.70.811.251.51.75222.52.533.54螺牙标准径（底孔）2.53.34.256.88.510.3121417.519.52126.53
2、2螺纹深度(mm)L178101215182222273032384555L27.75911.2513.51720.52525.5313537.54452.564L=10mm1010101010101010101010101010L=15mm1515151515151515151515151515L=20mm2020202020202020202020202020L=25mm25252525252525252525252525L=30mm303030303030303030303030L=35mm353535353535353535353535L=40mm4040404040404040404
3、040L=45mm4545454545454545454545L=50mm5050505050505050505050L=55mm5555555555555555555555L=60mm6060606060606060606060L=65mm6565656565656565656565L=70mm70707070707070707070L=75mm75757575757575757575螺纹深度(mm)L=80mm80808080808080808080L=85mm858585858585858585L=90mm909090909090909090L=95mm959595959595959595L=100mm100100100100100100100100100L=105mm105105105105105105105105L=110mm110110110110110110110110L=115mm115115115115115115115115L=120mm120120120120120120120120