美制六角螺栓标准对照表

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1、®Roc-masterManufacturer&SupplyCompany紧固件FastenersANSI/ASMESTANDARD上海锐迈五金有限公司®Roc-MasterHardwareCo..,Ltd.吉安锐迈管道配件有限公司®Roc-masterJianPipingProductsCo.,Ltd.Contents美制六角螺栓1HEXBOLTSANSI/ASMEB18.2.1美制精制六角螺栓2HEXCAPSCREWS（FINSHEDHEXBOLTS）ANSI/ASMEB18.2.1美制双头螺栓

2、及螺母3STUDBOLTSANDNUTSASTMA193B7&A1942H美制六角螺母4FINISHEDHEXNUTSANSI/ASMEB18.2.2美制重型六角螺母5HEAVYHEXNUTSANSI/ASMEB18.2.2美制平垫圈6PLAINWASHERSTYPEAANSI/ASMEB18.22.1美制弹簧垫圈7LOCKWASHERSANSI/ASMEB18.21.1螺栓及螺母材质要求8MATERIALSPECIFICATIONSFORBOLTSANDNUTS螺栓及螺母机械性能要求9TENSIL

3、EANDHARDNESSREQUIREMENTSFORBOLTSANDNUTS10法兰用螺栓尺寸对照表DIMENSIONSOFFLANGEBOLTS(ANSIB16.5)金属紧固件表面处理技术简介11BRIFEINTRODUCTIONOFSURFACETREATMENTOFFASTENERS美制六角螺栓HEXBOLTSANSI/ASMEB18.2.1InchesEFGHRLT(Ref)ThreadLengthNominalSizeorBasicBodyWidthAcrossWidthAcrossRa

4、diusForBoltForBoltHeadHeightBoltDiaDiaFlatsComersofFilletLengthsLenghts≤6in.>6in.MaxBasicMaxMinMaxMinBasicMaxMinMaxMinBasicBasic1/40.25000.267/160.4380.4250.5050.48411/640.1880.1500.030.010.7501.0005/160.31250.3241/20.5000.4840.5770.5527/320.2350.1950.

5、030.010.8751.1253/80.37500.3889/160.5620.5440.6500.6201/40.2680.2260.030.011.0001.2507/160.43750.4525/80.6250.6030.7220.68719/640.3160.2720.030.011.1251.3751/20.50000.5153/40.7500.7250.8660.82611/320.3640.3020.030.011.2501.5005/80.62500.64215/160.9380.

6、9060.9831.03327/640.4440.3780.060.021.5001.7503/40.75000.76811/81.1251.0881.2991.2401/20.5240.4550.060.021.7502.0007/80.87500.89515/161.3121.2691.5161.44737/640.6040.5310.060.022.0002.25011.00001.02211/21.5001.4501.7321.65343/640.7000.5910.090.032.2502

7、.50011/81.12501.149111/161.6881.6311.9491.8593/40.7800.580.090.032.5002.75011/41.25001.27717/81.8751.8122.1652.06627/320.8760.7490.090.032.7503.00013/81.37501.40421/162.0621.9942.3922.27329/320.9400.8100.090.033.0003.25011/21.50001.53121/42.2502.1752.5

8、982.48011.0360.9020.090.033.2503.50013/41.75001.78525/82.6252.5383.0312.89315/321.1961.0540.120.043.7504.00022.00002.03933.0002.9003.4643.306111/321.3881.1750.120.044.2504.50021/42.25002.30533/83.3753.2623.8973.71911/21.5481.3270.190.06