国标自攻螺丝详细尺寸表-m4自攻螺丝国标

1、国家标准螺丝规格表，螺幺幺牙距规格表时间：2021.02.08创作人：欧阳生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,服务客户过程当中,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,螺丝各方面基本 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:字（Minus ） b. Phillips:十 字（Plus ） c. PhilSlot:字/十字d. Hex Sc

2、oket:内六角 e. One Way:单向（只可锁入，不可退出）A4: 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fHex :六角头.A5: Finish Code/外观处理.公制自攻螺丝:于品名后方直接标示Tapping Type.Ex: M3 x 6 -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的六角凸缘自钻自攻螺钉一般常用规格如下：a. Z: ZinePlated:镀锌 b. Ni: Ni

3、Plated:镀镇 c. TinPlated:镀锡 d. Zine Plated / Green Iridite:镀锌绿膜 处理.e. Radiant Plated:镀五彩fPassivate:抗氧化处理g. Alodial Finish:无外观处理公制自攻螺丝钉:于品名后方直 接标示 Tapping Type.Ex: M3 x 6 一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般以番号标示,如#256, #440, #632, #832, #1024.etcb或以英制夕卜径表

4、示如0.08656, 0.11240,0.13832,0.16432,0.19024._etc.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Length Code:螺丝钉长 度Thread Code:螺丝钉型号B1: Thread Code:螺丝钉型 号一般常用规格如下a #256 (0.08656): 2番56牙b #440 (0.11240): 4 番40 牙 c. #632 (0.13832) : 6 番32 牙 d. #832 (0.16432): 8 番 32 牙 e. #1024 (0.

5、19024): 10 番 24牙好牙为每吋之牙数.*B2: Length 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 mmB3, B4,B5 : 标示方式与公制相同C:英制螺丝钉:C1: Thread Code标示 皆将分母为&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 0.50PPB : 2 分半牙螺丝钉 x 0.50 长，PPBEx: 5/32 x0.50 一P

6、PB = 1.25/8 x 0.50PPB: 1 分2 厘半螺丝钉 x 0.50 长,PPBEx: 1/4 x 0.50PPB= 2/8 x 0.50PPB: 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 x0.50 ZUNF -PPB: 3 分细牙螺丝钉 x 0.50 长，PPB.C2:Length Code:为英吋标示须乘以25.40换算为mm成品外径线径牙距 成品外径线径螺丝规格表螺丝螺纹牙距表螺钉规格表深圳市创固螺丝类别国标粗牙牙距 最大最小mm±0.02mm规格类别规格每英最大寸最&#

7、177;0.02小mmM1.40.031.381.341.161/840345M1.70.351.681.611.42英制5/32323.945M2.00.401.981.891.68粗牙55°3/16244.732M2.30.402.28291.981/4206.320M2.50.42482382.155/16187.905603.0303.7954.5926.1657.732.703.384.005.456.94.84057045396.40.20442/732023.211.84.686H7.748111 8 4 0 6 79.3210.0012.614.415.9 2 3 9

8、6 O.3.9Z 53.63.33.17185839 5 13 5 冊 5 6.2J.6.20Z3.5.7.O.3O6 485.96.77.794121916132.33.63.64649.25.66n6.2 18.7.3O7 7 9 5 17M3.0500.52.982.882.603/8169.490M3.500.63.473.363.027/161411.07M4.000.73.983.833.401/21212.66M4.505.74.474.363.889/161214.25M5.000.84.984.834.305/81115.83M6.010.05.975.825.184#402

9、.824M7.010.06.976.826.185#40354M&015.27.967.797.026#323.484M9.015.28.96&798.018#32442M1010.59.969.77&8410#244.8M1110.51(7).91().739.84美 粗 60'制 牙 012#245.461M1215.71：51.9111.761().71/4206.322M1420.01：53.913.741：>.51/3187.907M1620.0k55.9).7414.53/8169.491M182.5017.9517.7116.24/91411

10、.08M202.5019.9519.7118.21/21312.66M4.00.53.973.863.584/71214.25M4.50.54.474.364.075/81115.83M5.00.54.974.864.574#482.827M6.00.755.975.855.415#443576M7.00.756.976.856.416#403.4841.007.977.837.248#36445M9.01.001.008.978.838.24美制 细牙 60°10#324.8030OM109.979.829.2312#285.461M101.259.969.819.071/4286.324M121.2511.9711.7611.075/16247.909M121.5011.9611.7910.893/8249.497M1