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
2、.000 (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
3、質用扭力標準為非鐵類材質，如 ABS，M/B，FDD 塑膠框 依材質區分之螺絲扭力規格Mothersrew sizePlasticAluminumBrassLow Carbon SteelStainless 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 - 3215.9-17.719.9-22.126.9-29.830.8-34.234.4-36.7Unit:Kgf-cmP.S)1. The material of screw is low carbon s
5、teel.2. The data as above is used in order to utilize the full strength of threades fasteners without damaging 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 Monitercase screw : 粗牙 6 kgf-cm inner PCB 4 Kgf-cm speaker : 2 Kgf-cm螺丝扭力标准 (目前常用之螺丝扭力标准) A B C D EM3 8 8 6 10 12M3.5 10 8 6 M4 16 12 8 2022M530 20 12 M6 50 30 M8 120 70 M10240 140 M12420 260 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。D、铁螺丝（自攻）锁于板厚1.0之抽牙孔。*M3抽牙也为2.8(+0,-0.05)*M4抽牙孔为3.65(+0.05,-0)E、铁螺丝（自攻锁于板厚1.2之抽牙孔，抽牙孔尺寸同D项。
