公制螺纹螺距规格
来源：华佗健康网
公制螺丝之螺距系排标称M 1M 2M 2.5M 3 M 4M 5M 6M 7M 8M 9M 10M 11M 12M 13M 14M 15M 16M 17M 18M 20M 22M 24M 25M 26M 27M 28M 30M 32M 33(M 34)M 35M 36M 38M 39M 40M 42M 45M 48M 50M 52M 55M 56M 58M 60普通螺纹0.250.40.450.5(0.6)0.7(0.75)0.8(0.9)111.251.251.51.51.75_2_2_2.52.52.53__3_3.5_3.5__4_4_4.54.5__5_5.5_5.5 细 螺 纹64321.51.2510.750.50.350.250.2_______________________________________________________________________________444_44444__________________________3_3__3_33333333333__________________22222-122222-2Z2-22222222222-2____________1.5-21.51.51.51.51.51.51.51.51.51.51.51.51.51.51.5-21.51.51.51.51.51.51.51.51.51.51.51.51.5-2__________1.25-1.251.25_1.25_____________________________________11111-1111111111-1111-1_-1_-1-1_-1-1-1-1-1___________0.750.750.750.750.750.75____________________________________0.50.5-0.5-0.5-0.5-0.5-0.5-0.5-0.5-0.5-0.5-0.5-0.5_-0.5-0.5-0.5-0.5-0.5-0.5_-0.5-0.5-0.5_-0.5_-0.5-0.5_____________0.350.35_________________________________________0.25__________________________________________0.2___________________________________________
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