螺距表,螺距紧固件螺纹直径与螺距对照表螺纹规M3M4M5M6M8M10M12M14M16M18M20M22M24粗牙螺距0
0细牙螺距----1
0螺纹规M27M30M33M36M39M42M45M48M52M56M60M64粗牙螺距3
0细牙螺距2
0螺纹规M3M4M5M6M8M10M12M14M16M18M20M22M24M27M30M33M36M39M42M45M48M52M56M60M64粗牙螺距0
0细牙螺距----1
0螺栓、螺钉、螺柱公称长度表6810121620253035404550(55)60(65)7075808590(95)100105110115120125130140150160170180190200220240260280300注:尽量不采用括号内尺寸螺栓、螺钉、螺柱螺纹的公称长度螺纹规M3M4M5M6M8M10M12M14M16M18M20M22M24M27M30M33M36M39M42M45M48M52M56M60M64粗牙螺距1214161822263034384246505460667278849096102----注:公称长度1螺纹长度b,则:①1≤125b=2d