国标自攻螺丝详细尺寸表

1、国家标准螺丝规格表,螺丝牙距规格表我们螺丝行业的螺丝生产厂家,在生产制造当中,销售过程当中,效劳客户过程 当中,遇到客户问,什么样的螺丝规格是什么,它们的螺纹牙距是多少？那么如 果有一个螺丝规格表,把螺丝螺纹牙距,螺丝种类,螺丝各方面根本信息都用一 个图表来表示,清楚,明了,简单易懂.那么使用起来就方便多了.下面深圳市 创固螺丝朱经理,把螺丝规格表,把螺丝螺纹牙距规格表显上,供大家方便使用,查询.螺丝规格表a. Slotted: 一字Minus b. Phillips:十字Plus c. Phil-Slot: 一字/十字d. Hex Scoket:内六角e. One Way:单向只可锁入,不可

2、退出A-4: Head Code/ 头部外型.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.公制自攻螺丝：于品名前方直接标示 Tapping Type.Ex: M3 x 6 -PPB, Tapping Type:M3自攻螺丝,6mm长,十字,圆扁头,镀黑.螺纹规格为ST2.9 -ST6.3的六角凸缘自钻自攻螺钉一般常用规格如下a. Z: Zine-Plated: 镀锌b. Ni: Ni-Plated: 镀银c. Tin-Plated:镀锡d. Zine Plated / Green

3、Iridite:镀锌绿膜处理.e. Radiant Plated:镀五彩f. Passivate:抗氧化处理.g. Alodial Finish: 无外观处理公制自攻螺丝钉：于品名前方直接标示Tapping Type.Ex: M3 x 6 -PPB, Tapping Type: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Sheet Metal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, #10-24etc.b.或以英制外径表示,如 0.086-56, 0.112-40,0.138-32,0.164

4、-32,0.190-24etc.Ex: 632 - 8 P P B:Finish Code:外观处理规格Head Code:头部外型Drive Code:头部剖沟,特征型号Thread Code:螺丝钉型号B-1: Thread Code: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*牙为每寸之牙数.*B-2: Len

5、gth Code: 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：(Length Code / 32) x 25.40 =公制长度 mmB-3, B-4,B-5 :标示方式与公制相同.C:英制螺丝钉：C-1: Thread Code:标示皆将分母为8,再直接称分子之番号.Ex: 1/8 x 0.50 -PPB: 1 分牙螺丝钉 x 0.50 长,PPBEx: 5/16 x 0.50 -PPB = 2.5/8 x 0.50-PPB : 2分半牙螺丝钉 x 0.50 长,PPBEx: 5/32 x 0.50 -PPB =1.25/8 x 0.50-PPB: 1分2 厘半螺丝钉 x

6、0.50 长,PPBEx: 1/4 x 0.50-PPB= 2/8 x 0.50-PPB: 2分牙螺丝钉 x 0.50 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: 3/8 x 0.50 ,UNF -PPB: 3 分细牙螺丝钉 x 0.50 长,PPB.C-2: Length Code:为英寸标示,须乘以25.40换算为mm牙成品外径线径成品外径 线径距螺丝规格表螺丝牙此0类别规格每英最大最0.02mm小2mm寸螺规格距纹最 最m牙m大小距螺钉规格圳 市 创 固 螺 丝 类M1.4 M1.7 M2.0M2.M2.M3.0M3.5 M4.0

7、 M4.0 5 M5.0M6. 0M7.0 M8.0 M9.0.1.31.303840.1.61.635810.1.91.840890.2.22.140890.2.42.345880.2.92.850880.3.43.360760.3.93.870830.4.44.375760.4.94.880831.5.95.800721.6.96.800721.7.97.725691.8.98.71.161.421.681.982.152.603.023.403.88551/85/33/11/45/13/87/11/29/14032242018161412125.18美4#406.18制5#407.02粗

8、6#328.018#324.305/8113.1453.9454.7326.3207.9059.49011.0712.6614.2515.832.8243.1543.4844.1423.0303.7954.5926.1657.7379.31210.8812.4614.0415.612.6953.0263.3333.92.703.384.005.456.948.409.8411.2 212.8114.272.372.692.91M10M11M12M14M16M18M20M4.M4.M5.M6.M7.M8.M9.M10M10M12M12M14M16M18M20251.501.501.752.002

9、.002.502.500.0.0.0.750.751.001.001.001.251.251.501.501.501.501.50919.99.710.10.977311.11.957613.13.957415.15.957417.17.957119.19.95713.93.84.44.34.94.85.95.86.96.87.97.88.98.89.99.89.99.811.11.977611.11.967913.13.967915.15.967917.17.957819.19.95658.846010#244.89.8412#245.46110.71/4206.32212.51/3187.90714.53/8169.49116.24/91411.0818.21/21312.663.584/71214.254.075/81115.834.574#482.8275.415#443.1576.416#403.4847.248#364.1458.24美10#324.8039.23制12#285.4619.07细1/4286.32411.05/17牙6247.90910.89603/8249.49712.87/1962011.0814.891/22012.6716.89/1661814.2518.855/818牙4.6185.2796.1177.6879.25410.