螺丝扭力规格及标准

1、螺絲扭力規格及标准螺絲扭力規格螺絲直徑硬度螺絲扭力規格螺絲直徑高硬度材質用扭力標準較低硬度材質用扭力標準M1.00.150 (kg x cm)0.120 (kg x cm)M1.10.220 (kg x cm)0.176 (kg x cm)M1.20.320 (kg x cm)0.256 (kg x cm)M1.40.480 (kg x cm)0.384 (kg x cm)M1.60.700 (kg x cm)0.560 (kg x cm)M1.81.100 (kg x cm)0.880 (kg x cm)M2.01.500 (kg x cm)1.200 (kg x cm)M2.22.000

2、(kg x cm)1.600 (kg x cm)M2.53.200 (kg x cm)2.560 (kg x cm)M3.06.000 (kg x cm)4.800 (kg x cm)M3.59.400 (kg x cm)7.520 (kg x cm)M4.014.000 (kg x cm)11.200 (kg x cm)M4.520.500 (kg x cm)16.400 (kg x cm)M5.029.000 (kg x cm)23.200 (kg x cm)M6.049.000 (kg x cm)39.200 (kg x cm)備註：1. 高硬度材質為鐵類材質2. 較低硬度材質用扭力標準

3、為非鐵類材質，如ABS，M/B，FDD塑膠框依材質區分之螺絲扭力規格Mother'srew sizePlasticAlumi numBrassLow Carb on Steel Stainl ess SteelM21.0-1.11.3-1.41.8-2.02.0-2.22.3-2.4M2.62.6-2.62.8-3.24.0-4.54.5-5.05.0-5.5M33.1-3.43.9-4.25.5-6.06.0-6.66.6-7.3M47.6-8.39.5-10.413.5-14.915.0-16.516.7-18.3M511.2-12.213.9-15.319.8-21.822.0-

4、24.224.2-26.9#2 - 561.2-1.31.5-1.62.1-2.32.3-2.52.6-2.9#4 - 402.5-2.73.1-3.44.5-5.04.9-5.45.4-6.0#6 - 324.4-4.95.5-6.18.3-9.19.1-10.010.0-11.0#8 - 329.0-9.911.3-12.417.2-18.618.5-20.520.6-22.8#10 - 3215.9-17.719.9-22.126.9-29.830.8-34.234.4-36.7Un it:Kgf-cmP.S)1. The material of screw is low carb on

5、 steel.2. The data as above is used in order to utilize the full stre ngth of threades faste ners withoutdamaging the threads. It should be used as a guid in tightening threaded fasteners.3. 美規螺絲a . #2-56 (0.086-56): 2 番 56 牙b #4-40 (0.112-40) :4 番 40 牙c. #6-32 (0.138-32) : 6番 32 牙d. #8-32 (0.164-32

6、) : 8番 32 牙e. #10-24 (0.190-24): 10 番 24 牙20.1 " Plastics LCD Mo nitercase screw : 粗牙 6 kgf-cminner PCB 4 Kgf-cmspeaker : 2 Kgf-cm螺丝扭力标准(目前常用之螺丝扭力标准)ABCDEM38861012M3.51086M4161282022M53020 12M65030M812070 M10240140M12420260 单位： Kgf.cm; 容许误差： ±10%A、铁螺丝与铁螺帽（螺孔）之固定，如： *箱体各组件之组合。*接地螺丝、螺帽之固定。*PCB 固定于箱体。B、铁螺丝、铜螺帽（螺孔及铝合金 材料螺孔之螺定，如：*电晶体或线材端子固定于铝散热片上。*铝散热片固定于 PCB 上。*大电容或电晶体端子（TERMINAL ）之固定螺丝。*RS-232 六角铜柱之固定。C、铁螺丝（自攻）锁于塑胶孔。*塑胶面板固定于箱体。*PCB 固定于塑胶面板上。