常用螺丝和螺丝孔规格

3-06常用螺丝及螺丝孔规格表1. 螺纹联接的用途及特征a. 普通螺纹主要用于紧固联接，其牙型角为60度，螺距分为粗牙和细牙.粗牙螺纹的直径和螺距的比例适中，强度好；细牙螺纹用于薄壁零件和轴向尺寸受限制的场合或用于微调机构.b. 关于螺栓和螺钉力学性能和材料性能等级抗拉强度Mpa洛氏硬度保证应力Mpa刚的类别和热处理粗牙直径范围3.6330HRB52180低碳钢 或=16mm4.6400HRB67230低碳钢或中碳钢 或=16mm4.8420HRB703105.6500HRB80280所有直径5.8520HRB833806.8600HRB894408.8800HRC25600中碳钢，回火温度450 低碳合金刚，回火温度425所有直径回火温度 425直径20mm9.8900HRC28660中碳钢，回火温度410 低碳合金刚，回火温度410 或=16mm10.91040HRC34830中碳钢，回火温度425低/中碳合金刚，回火温度340/410所有直径12.91220HRC39930低碳合金刚，回火温度3801 1 IE fa i瓏JiZ平晔OFl叫血直$ =f%0%插A7-O1234a G ii itl UM驚苇1. !?工1. JL4i.ps. 1缶*10.1Turn0. B5L iL i1b2, 11-14+ Uj，2娶恋2J*4j4. i4. SiS.25.RR* 9g Jmio(L鮎L ISTJ H 55Z-3盂s工cir4+O5名25耳空1H肝r2 .可1X24 14.fis. 2鼠6；.R9E0minL7L. L臨J番E3!比1L Vw=歩哥2X4- 36匚s乩nR, K3tumis0. 95L布L 752. CS氏弓2.75J1 ius. a1r-ja主 J 7u ajri歩:硏2,23-44-乳gwftp 7K J乩Gb. tmin1.21- Bz. 252= 729H ?i53d1- ?s5.勺5F站.倉甬讥3.34. 8S- 2缶fi1 旳 f r % z临-1ni n1.15I- K?- 25桑園2. D2-町J. i4-7i5 6522. 9. !i F9.乩572L|3-3fllh-5019 FO.,6. 5*3. 5,13h1G. -22.23.3,3SUl. iO、第芯i商殆 规格把弗STS-ST. 9sg 5ST/. 2ST. ASTi.SSTMSTSSTtt. 5JJ m! max.0- $h J1.31-4匚:u1 it生1為13,85.57.3K.49-310. KL J 315. 8iil11 ii 黑b 1h 7?,祜3. E2.SEs. 151.鵰S. 2=/ N仏5认：Q.贰1.21. 314Z 3r口江雷趴nb 4l.Dg3. 22.4rO.ij6T和厲g1.2.:1IM1.92.4出ItiiX45,8w rgf1” EIEiIS2?4 JiUiX.52. 12nfi3.71Sa?B 5d. iUiXs3. 5. iL9F. C2Sk?10.7” riiii1).1甌2(JJi z5G& 5R0I!n1Gt(JH/TB2R3 I $8? iin：i6 Iy $0. P1b :r 1-2L.B2G1VT528419S Mun0. EL 53*聲fa At2- i3. A S（表二）c.攻牙深度及攻螺丝深度厂=-单位：mm外螺纹外经d孔钻直径d1钢/铸钢/青铜（深度）铸铁（深度）铝及其它轻铝合金联接件之光孔直径ababab板厚7内板厚8以上32.4364.57.55.58.53.43.53.52.93.56.55.58.56.59.544.243.2547697104.54.84.53.754.57.571081155.554.158.5811.5912.55.565.54.65.59811.51013.566.56561091311156.67.5767111115131788.586.88121216141891097.8913131716201011108.510141519182211121210.212171722222714141412141920252530161716141621222728331819（表三）3.常用螺丝分类（乔山标准）a.圆头十字螺丝单位:mm项目螺纹螺距及长度特殊说明项目螺纹螺距及长度特殊说明1M2X20L19M50.8PX8L2M30.5PX6L200.8PX10L30.5PX8L切口210.8PX10L镀铬40.5PX10L220.8PX10L染黑50.5PX10L切口230.8PX12L60.5PX10L切口（镀铬）240.8PX12L耐落70.5PX12L250.8PX18L80.5PX12L切口260.8PX20L90.5PX12L塑料透明270.8PX25L100.5PX15L280.8PX25L镀铬110.5PX22L290.8PX35L120.5PX22L镀锌300.8PX40L牙长20L130.5PX25L310.8PX50L140.5PX35L320.8PX55L15M40.7PX6L头部？7x2.6H330.8PX65L牙长25L160.7PX10L340.8PX75L牙长25L170.7PX12L35M61.0PX18L铬钼合金刚180.7PX15L361.0PX20L牙长8（耐落）项目螺纹螺距及长度特殊说明项目螺纹螺距及长度特殊说明37M61.0PX25L40M61.0PX25L牙长8（耐落）381.0PX25L耐落411.0PX50L牙长15391.0PX25L牙长842b.伞头十字螺丝单位:mm项目螺纹螺距及长度特殊说明项目螺纹螺距及长度特殊说明1M30.5PX5L34M50.8PX10LBED20.5PX6L350.8PX10L切口（头部最大？9）30.5PX8L360.8PX10L镀锌40.5PX8LBED370.8PX10L镀铬50.5PX10L380.8PX10L染黑60.5PX14L390.8PX10L电镀黑70.5PX45L镀锌400.8PX12L8M40.7PX5L410.8PX12L切口90.7PX6L420.8PX12L头部最大？ 9100.7PX6L切口430.8PX12L切口（头部最大？9）110.7PX8L440.8PX12L染黑120.7PX10L450.8PX12L耐落130.7PX10L切口460.8PX12LBED140.7PX10L镀锌470.8PX12L镀铬150.7PX10L切口（镀镍）480.8PX15L160.7PX12L490.8PX15LBED170.7PX12L切口500.8PX15L切口180.7PX12L切口（BED）510.8PX15L切口（不锈钢）190.7PX15L镀锌520.8PX15L铬钼合金钢200.7PX15L镀铬530.8PX15L镀锌210.7PX15L镀黑锌540.8PX15L镀黑锌220.7PX15L电镀黑550.8PX16LBED230.7PX15L切口（镀镍）560.8PX16L耐落240.7PX38L570.8PX16L镀铬25M50.8PX5L镀黑锌580.8PX20L260.8PX5L切口（镀镍）590.8PX20LBED270.8PX6L600.8PX20L牙长10L280.8PX6L切口610.8PX20L切口290.8PX8L620.8PX20L切口 （镀镍）300.8PX8L切口630.8PX25L310.8PX8LBED640.8PX25LBED320.8PX10L650.8PX25L切口 （镀镍）330.8PX10L切口660.8PX30L项目螺纹螺距及长度特殊说明项目螺纹螺距及长度特殊说明67M50.8PX30L耐落77M61.0PX10L680.8PX30L切口（镀镍）781.0PX12L耐落（BED）690.8PX35L791.0PX16L700.8PX45L耐落801.0PX20L710.8PX60L牙长25L（黑色）811.0PX40L720.8PX65L镀黑锌821.0PX45L730.8PX70L831.0PX50L740.8PX90LBED（牙长 20L）841.0PX50L牙长15L75M61.0PX8L851.0PX50L镀铬（牙长10L）761.0PX8L耐落861.0PX70L牙长15Lc. 埋头十字螺丝项目螺纹螺距及长度特殊说明项目螺纹螺距及长度特殊说明1M30.5PX8L15M50.8PX12L20.5PX10L切口160.8PX12L耐落（BED）30.5PX10L镀锌170.8PX15L切口40.5PX12L镀锌180.8PX16L50.5PX15L190.8PX20L60.5PX20L镀锌20M61.0PX12L7M40.7PX10L切口211.0PX12L不锈钢80.7PX10LBED221.0PX16L90.7PX40L231.0PX16L耐落（镀锌）100.7PX45L241.0PX20L11M50.8PX5L251.0PX45L120.8PX10L261.0PX50L130.8PX10L切口27M81.25PX34L染黑（牙长10L）140.8PX10L耐落（BED）28d. 圆头六角承窝螺丝项目螺纹螺距及长度特殊说明项目螺纹螺距及长度特殊说明1M20.4PX16L10M50.8PX10L切口2M30.5PX8L110.8PX10LBED30.5PX10L120.8PX12L40.5PX15L130.8PX15L5M40.7PX10L140.8PX15L电镀60.7PX12L150.8PX15L切口70.7PX20L镀铬160.8PX15L镀铬8M50.8PX6L170.8PX15L镀黄锌90.8PX10L180.8PX16L项目螺纹螺距及长度特殊说明项目螺纹螺距及长度特殊说明19M50.8PX18L58M61.0PX35L200.8PX20L铬钼合金钢591.0PX40L耐落（牙长25L）210.8PX22L601.0PX40L耐落220.8PX25L611.0PX45L230.8PX25L镀铬621.0PX45L镀铬240.8PX25L铬钼合金钢631.0PX50L牙长20L250.8PX30L镀铬641.0PX55L牙长20L260.8PX30L镀锌651.0PX75L镀铬270.8PX30L铬钼合金钢66M81.25PX10LBED（耐落）280.8PX35L671.25PX12L290.8PX35L铬钼合金钢681.25PX12L铬钼合金钢300.8PX45L691.25PX15LBED310.8PX45L牙长10L701.25PX15L耐落320.8PX45L牙长20L711.25PX15L镀铬330.8PX55L721.25PX15L镀锌34M61.0PX10L731.25PX15L铬钼合金钢351.0PX10L镀锌741.25PX16LBED（耐落）361.0PX10L铬钼合金钢751.25PX20L371.0PX12L761.25PX20L耐落381.0PX12LBED771.25PX20L镀锌391.0PX12L镀锌781.25PX20L镀铬401.0PX12L耐落791.25PX20L铬钼合金钢411.0PX12LBED（耐落）801.25PX25L421.0PX15L耐落811.25PX25L耐落431.0PX15L镀锌821.25PX25L镀锌441.0PX15L镀铬831.25PX25L铬钼合金钢451.0PX15L铬钼合金钢841.25PX30L461.0PX16L851.25PX30L镀锌471.0PX18L铬钼合金钢861.25PX30L铬钼合金钢481.0PX20L871.25PX35L491.0PX20L镀锌881.25PX35L镀铬501.0PX20LBED891.25PX35L铬钼合金钢511.0PX20L铬钼合金钢901.25PX40L521.0PX20L镀黄镍911.25PX40L耐落531.0PX25L921.25PX45L541.0PX25L铬钼合金钢931.25PX45L镀锌551.0PX25L镀黄镍941.25PX45L铬钼合金钢561.0PX30L951.25PX47L571.0PX30L+牙长10L961.25PX50L项目螺纹螺距及长度特殊说明项目螺纹螺距及长度特殊说明97M81.25PX55L136M101.5PX65L铬钼合金钢981.25PX55LBED1371.5PX70L镀黑锌991.25PX55LBED（牙长 20L）1381.5PX70L镀锌1001.25PX55L镀黑锌1391.5PX70L铬钼合金钢1011.25PX60L1401.5PX75L镀锌1021.25PX60LBED1411.5PX75L镀铬1031.25PX60L牙长30L1421.5PX75L铬钼合金钢1041.25PX65L1431.5PX80L镀铬1051.25PX65LBED1441.5PX80L铬钼合金钢1061.25PX70L牙长12L1451.5PX85L1071.25PX70L牙长20L1461.5PX85L镀铬1081.25PX70L全牙1471.5PX85L牙长20L（12.9级）1091.25PX70L铬钼合金钢1481.5PX90L1101.25PX75L牙长30L1491.5PX90L铬钼合金钢1111.25PX80L牙长20L1501.5PX95L牙长15L（镀锌）1121.25PX80L铬钼合金钢1511.5PX95L牙长20L（镀锌）1131.25PX85L1521.5PX95L镀铬1141.25PX85L铬钼合金钢1531.5PX100L牙长20L（铬钼合金钢）1151.25PX95L1541.5PX110L镀锌1161.25PX100L1551.5PX110L铬钼合金钢117M101.5PX15L铬钼合金钢1561.5PX115L铬钼合金钢1181.5PX25L镀铬1571.5PX120L镀锌1191.5PX25L镀锌1581.5PX120L铬钼合金钢1201.5PX25L耐落（12.9级）1591.5PX125L牙长20L（镀锌）1211.5PX25L铬钼合金钢（耐落）1601.5PX125L铬钼合金钢1221.5PX25L铬钼合金钢161M121.75PX20L铬钼合金钢1231.5PX30L镀锌1621.75PX25L耐落1241.5PX30L铬钼合金钢1631.75PX25L镀锌1251.5PX40L耐落1641.75PX25L铬钼合金钢1261.5PX40L镀锌1651.75PX30L耐落1271.5PX45L牙长12L1661.75PX30L铬钼合金钢1281.5PX50L1671.75PX35L铬钼合金钢1291.5PX50L牙长15L1681.75PX45L镀铬1301.5PX55L镀铬1691.75PX60L牙长30L1311.5PX60L牙长15L1701.75PX75L铬钼合金钢1321.5PX60L镀铬1331.5PX65L牙长30L1341.5PX65L镀铬1351.5PX65L镀锌e. 埋头六角承窝螺丝f. 伞头十字自攻螺丝g. 六角头螺丝h. 圆头十字自攻螺丝i. 马车螺丝j. 眼钩螺丝k. 斜边内六角承窝螺丝l. 伞头六角承窝螺丝m. 止付螺丝n. 六角螺帽o. 盖帽螺帽p. 尼龙螺帽q. 焊接螺帽r. 锁紧螺帽