国标自攻螺丝详细尺寸表

#A-5:FinishCode/外观处理.公制自攻螺丝：于品名后方直接标示TappingType.Ex:M3x6-PPB,TappingType:M3自攻螺.丝,6mm长，十字，圆扁头，镀黑.螺纹规格为ST2.9.ST6.3的六角凸缘自粘自攻螺钉一般常用规格如下：Z:Zine-Plated:镀锌Ni:Ni-Plated:镀银Tin-Plated:镀锡ZinePlated/GreenIridite:镀锌绿膜处理.RadiantPlated:镀五彩Passivate:抗氧化处理.AlodialFinish:无外观处理公制自攻螺丝钉：于品名后方直接标示TappingType.Ex:M3x6-PPB,TappingType:M3自攻螺.丝钉,6mm长，十字，圆扁头，镀黑.一般以产品别或标示，再判断为SheetMetal或塑料部品使用.B:美规螺丝钉.a.一般以番号标示，如#2-56,#4-40,#6-32,#8-32,#10-24...etc.b.或以英制外径表示，如0.086-56,0.112-40,0.138-32,0.164-32,0.190-24...etc.Ex:632-8-PPB:FinishCode:外观处理规格HeadCode:头部外型DriveCode:头部剖沟，特征型号LengthCode:螺丝钉长度ThreadCode:螺丝钉型号B-1:ThreadCode:螺丝钉型号一般常用规格如下：a.#2-56(0.086-56):2番56牙b#4-40(0.112.40):4番40牙#6-32(0.138・32):6番32牙#8・32(0.164-32):8番32牙#10-24(0.190-24):10番24牙***牙为每口寸之牙数.***B-2:LengthCode:螺丝钉长度美规螺丝钉长度须经换算，才是公制mm尺寸.换算公式：(LengthCode/32)x25.40=公制长度mmB-3, :标示方式与公制相同.C:英制螺.丝钉：C-1:ThreadCode:标示皆将分母为8,再直接称分子之番号.Ex:1/8x0.50-PPB:1分牙螺丝钉x0.50”长，PPBEx:5/16x0.50-PPB=2.5/8x0.50-PPB:2分半牙螺丝钉x0.50”长，PPBEx:5/32x0.50-PPB=1.25/8x0.50-PPB:1分2厘半螺丝钉x0.50"长,PPBEx:1/4x0.50-PPB=2/8x0.50-PPB:2分牙螺丝钉x0.50”长，PPB注:有时会标示粗牙或细牙.UNF:细牙：电子业较常用.UNC:粗牙：重机械结构较常用.Ex:3/8x0.50,UNF-PPB:3分细牙螺丝钉x0.50"长，PPB.C-2:LengthCode:mm牙成品外径线径距mm牙成品外径线径距成品外径线径螺丝规媒规格距丝m最最±0.0螺m大小2mm类规每别格 最±0.0英最人 小2mm寸纹牙距表钉规格表深圳市创固螺丝类别M1.0.1.31.3403841.16M1.0.1.61.6国735811.42M2.0.1.91.8标040891.68M2.0.2.22.1粗340891.98M2.0.2.42.3牙545882.15M3.0.2.92.86050882.600M3.0.3.43.3560763.02M4.0.3.93.8070833.40M4.0.4.44.33.88qn1/8403.1453.02.705/33.72323.9453.73.38英3/14.54.56244.7324.00制6.11/4206.3206.15.45c二粗5/16187.9057.76.94牙3/8169.4909.39.38.40dO55°7/161411.0710.10.9.8412.11.21/21212.11.24A29/11214.2514.12.8604115.14.24.305/81115.83612.672.375.184#402.824953.0262.696.185#403.1543.3333.9912.917.026#323.4843.578.018#324.14246美184.058.8410#244.85.2制794.709.8412#245.4616.1粗175.4510.71/4206.3227.6876.9312.5牙1/3187.9079.2548.4014.560°3/8169.49110.829.8316.24/91411.0812.3911.318.21/21312.6613.29612.83.584/71214.2515.53014.204.075/81115.832.7132.444.574#482.8273.0362.735.415#443.1573.3美563.026.416#403.4844.0制063.637.248#364.1454.6细514.238.2410#324.8035.2牙96614.819.2360°12#285.46167.75.689.071/4286.32471A11.05/1247.909/.IO75.8480.8

sdi00di00731634171774.84.8

s971.53.51919♦d—didi25di25di50di50-5-0172o0050507575di00di00di00di25♦dididiM25977676271.11.11.10.8938.74M1250967993/8249.497151.13.13.12.87/110.10.1M145096