螺丝规格表

螺丝规格标准螺丝种类（一）、六角螺栓（HEXAGONHEADBOLTS）1、英制螺栓参照标准为ANSI/ASMEB18.2.1，日标参照JISB1180（韦氏牙）。英制参照BSW916（韦氏牙）。（1）、HEXMACHINEBOLT：无华司、有束尾、半牙六角螺栓，（2）、HEXTAPBOLT：无华司、无束尾、全牙六角螺栓，（3）、HEXCAPSCREWS：有华司、有束尾、半牙六角螺栓，2、公制螺栓参照标准如下，其相互区别如表所示：(二）、马车螺丝/圆头方颈螺栓（CarriageBolts）：ANSI/ASMEB18.5；DIN603；ISO8677；GB12；GB14（三）、内六角螺栓（Hexagonsocket-headcapscrews）：DIN912；GB70；ISO4762；ANSI/ASMEB18.3（四）、六角木螺丝（HexagonHeadLagScrews）：ANSI/ASMEB18.2.1DIN571（五）、六角法兰螺栓(HexagonFlangeBolt)：IFI111GB5787DIN921螺丝规格定义与认识一.螺纹种类:A:三角螺纹(60度):结合/锁紧B:管用三角螺纹(55度):结合/锁紧C:梯形螺纹(30or29度):动力传动D:方螺纹(90度):动力传动二.常用螺丝种类:A:MachineScrew:机械螺丝B:TappingScrew:自攻螺丝(分使用于金属与使用于塑料二种)B-1:SheetMetalTappingScrew.(铁板牙自攻螺丝)B-2:PlasticTappingScrew.(塑料用,自攻螺丝)C:WoodenScrew:木工螺丝D:DrywallScrew:水泥墙螺丝三.常见螺丝材质:a.LowCarbonSteel:低碳钢b.SS-304:StainlessSteel304c.SS-302:StainlessSteel302:结构韧性较好d.Aluminum5052:铝合金5052d.Brass:黄铜e.Bronze:青铜f.UNSC11000Copper:锑铜四.常见螺丝规格与标示:A:公制螺丝B:美规螺丝C:英制螺丝A:公制机械螺丝:MetricEx:M3x6–PPB:M3机械螺丝,6mm长,十字,圆扁头,镀黑.FinishCode:外观处理规格HeadCode:头部外型ThreadCode螺丝型号DriveCode:头部剖沟,特征型号LengthCode:螺丝长度(mm)A-1:ThreadCode:螺丝型号公制螺丝直接以螺丝外径标示螺丝型号,如M3即螺丝外径为3.00mm.;M4即螺丝外径为4.00mm.MetricThreadSizexPitch:Note:公制螺丝于螺丝型号后方,有时会注明螺丝牙距.如M3x0.5,M4x0.70,M5x0.8,M6x1.但因为标准规范,通常不提.A-2:LengthCode:螺丝长度:公制螺丝,直接标示螺丝长度,单位为mm.螺丝之总长度标示,只计算头部以下之长度,不含头部高度.但平头螺丝例外,其螺丝之总长度标示含头部高度.A-3:DriveCode/头部剖沟,特征.一般常用规格如下:a.Slotted:一字(Minus)b.Phillips:十字(Plus)c.Phil-Slot:一字/十字d.HexScoket:内六角e.OneWay:单向(只可锁入,不可退出)A-4:HeadCode/头部外型.一般常用规格如下:a.Flat:平头(锁入后,顶部与工作件齐平)b.Oval:色拉头c.Round:圆头d.Pan:圆扁头e.Truss:大圆扁头f.Hex:六角头.A-5:FinishCode/外观处理.一般常用规格如下:a.Z:Zine-Plated:镀锌b.Ni:Ni-Plated:镀镍c.Tin-Plated:镀锡d.ZinePlated/GreenIridite:镀锌绿膜处理.e.RadiantPlated:镀五彩f.Passivate:抗氧化处理.g.AlodialFinish:无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.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.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:螺丝长度ThreadCode:螺丝型号B-1:ThreadCode:螺丝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c.#6-32(0.138-32):6番32牙d.#8-32(0.164-32):8番32牙e.#10-24(0.190-24):10番24牙***牙为每吋之牙数.***B-2:LengthCode:螺丝长度美规螺丝长度须经换算,才是公制mm尺寸.换算公式:(LengthCode/32)x25.40=公制长度mmB-3,B-4,B-5:标示方式与公制相同.C:英制螺丝: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x0.50”长,PPBEx:5/16x0.50–PPB=2.5/8x0.50-PPB:2分半牙螺丝x0.50”长,PPBEx:5/32x0.50–PPB=1.25/8x0.50-PPB:1分2厘半螺丝x0.50”长,PPBEx:1/4x0.50-PPB=2/8x0.50-PPB:2分牙螺丝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x0.50”长,PPB.C-2:LengthCode:为英吋标示,须乘以25.40换算为mm公制自攻螺丝规格表(附图)英制自攻螺丝规格表(附图)机械螺丝规格表(附图)米厘牙规格号称牙距外径最大最小1.40.31.3801.3201.60.351.5811.4961.70.351.6801.6102.00.41.9801.8902.30.42.2802.1902.60.452.5802.4803.00.52.9802.8743.00.62.9802.870美国细牙规格号称牙数外径最大最小NO:0801.5111.430NO:1721.8391.750NO:2642.1692.073NO:3562.4972.393NO:4482.8272.713NO:5443.1573.035NO:643.4853.355美国粗牙规格号称牙数外径最大最小NO:1641.8391.742NO:2562.1692.065NO:3482.4972.383NO:4402.8242.695NO:5403.1553.025NO:6323.4853.332NO:834.1433.990美国规格铁板螺丝A号称牙数外径最大最小NO:0401.5241.447NO:1321.9051.828NO:2322.2352.133NO:3282.5652.463NO:4242.8952.794NO:523.303.203.50.63.4703.3604.00.73.9783.8384.00.753.9783.8384.50.754.4704.3405.00.84.9764.8265.00.94.9704.8206.01.05.9705.8207.01.06.9706.8208.01.257.9607.79010.01.259.9609.79010.01.59.9609.77012.01.511.9611.77012.01.7511.95011.76014.02.013.95013.74016.02.015.95015.7400NO:8364.1454.006NO:10324.8034.651NO:12285.4615.2961/4286.3256.1605/16247.9107.7273/8249.4979.3147/162011.07910.8741/22012.66712.4619/161814.25214.0315/81815.83915.6183/41619.01218.7737/81422.18421.92311225.35425.0652NO:10244.8014.618NO:12245.4615.2781/4206.3226.1165/16187.9077.6863/8169.4929.2537/161411.07710.8151/21312.66212.3859/161214.24713.9575/81115.83415.5273/41019.00418.6777/8922.17721.8241825.34924.96802NO:6183.5813.454NO:7164.0133.860NO:8154.2174.114NO:9144.484.34NO:10124.9274.775NO:12115.6135.461NO:14106.4516.299美国规格铁板螺丝B号称牙数外径最大最小NO:0481.5241.447NO:1421.9051.828美国细牙规格号称牙数外径最大最小NO:0481.5241.447NO:1421.9051.828NO:2322.2352.133韦氏牙规格号称牙数外径最大最小1/16601.5601.4703/32482.3612.1551/8403.1553.045韦氏规格铁板螺丝号称牙数外径最大最小3/32322.482.381/8243.273.17NO:2322.2352.133NO:3282.5652.463NO:4242.8952.794NO:5203.3023.20NO:6203.5813.454NO:7193.9113.784NO:8184.2674.114NO:10164.9274.775NO:12145.6135.4611/4146.2486.0965/16128.0017.8233/8129.6529.4237/161011.17610.9471/21012.80112.573NO:3282.5652.463NO:4242.8952.794NO:5203.3023.20NO:6203.5813.454NO:7193.9113.784NO:8184.214.114NO:10164.9274.775NO:12145.6135.4611/4145.2486.0965/16128.0017.8235/32323.9453.7953/16244.7424.5921/4206.336.165/16187.917.723/8169.509.317/161411.08210.8921/21212.6712.469/161214.25814.0475/81115.84515.6053/41019.02018.787/8922.19521.9351825.3725.115/32164.073.973/16124.864.761/4106.456.355/1698.07.93/879.639.531/2612.812.7米厘规格铁板螺丝B号称牙数外径最大最小M2402.01.9M2.3322.32.2M2.6282.62.5M3243.02.9M3.5203.53.4M4184.03.9M4.5164.54.4M5165.04.9M6146.05.9M8128.07.9米厘规格铁板螺丝A号称牙数外径最大最小M2322.12.0M2.3322.42.3M2.6282.72.6M3243.13.0M3.5183.63.5M4164.14.0M4.5144.64.5