美制六角螺栓标准对照表

Roc-master

Manufacturer & Supply Company

上海锐迈五金有限公司

Roc-Master

Hardware Co..,Ltd.

吉安锐迈管道配件有限公司

Roc-master ® Jian Piping Products Co.,Ltd.

紧固件

Fasteners

ANSI/ASME STANDARD

Contents

美制六角螺栓1 HEX BOLTS

ANSI / ASME B 18.2.1

美制精制六角螺栓2 HEX CAP SCREWS （FINSHED HEX BOLTS）

ANSI / ASME B 18.2.1

美制双头螺栓及螺母3 STUD BOLTS AND NUTS

ASTM A193 B7 & A194 2H

美制六角螺母4 FINISHED HEX NUTS

ANSI / ASME B 18.2.2

美制重型六角螺母5 HEAVY HEX NUTS

ANSI / ASME B 18.2.2

美制平垫圈6 PLAIN WASHERS TYPE A

ANSI / ASME B 18.22.1

美制弹簧垫圈7 LOCK WASHERS

ANSI / ASME B 18.21.1

螺栓及螺母材质要求8 MATERIAL SPECIFICATIONS FOR BOLTS AND NUTS

螺栓及螺母机械性能要求9 TENSILE AND HARDNESS REQUIREMENTS FOR BOLTS AND NUTS

10法兰用螺栓尺寸对照表

DIMENSIONS OF FLANGE BOLTS (ANSI B16.5)

金属紧固件表面处理技术简介11 BRIFE INTRODUCTION OF SURFACE TREATMENT OF FASTENERS

美制六角螺栓

HEX BOLTS

ANSI / ASME B18.2.1

Inches E

For Bolt Lengths ≤6 in.For Bolt Lenghts

>6 in.Max Basic Max Min Max Min Basic Max Min Max Min Basic

Basic 1/40.25000.267/160.4380.4250.5050.48411/640.1880.1500.030.010.750 1.0005/160.31250.3241/20.5000.4840.5770.5527/320.2350.1950.030.010.875 1.1253/80.37500.3889/160.5620.5440.6500.6201/40.2680.2260.030.01 1.000 1.2507/160.43750.4525/80.6250.6030.7220.68719/640.3160.2720.030.01 1.125 1.3751/20.50000.5153/40.7500.7250.8660.82611/320.3640.3020.030.01 1.250 1.5005/80.62500.64215/160.9380.9060.983 1.03327/640.4440.3780.060.02 1.500 1.7503/40.75000.768 1 1/8 1.125 1.088 1.299 1.2401/20.5240.4550.060.02 1.750 2.0007/80.87500.895 1 5/16 1.312 1.269 1.516 1.44737/640.6040.5310.060.02 2.000 2.2501 1.0000 1.022 1 1/2 1.500 1.450 1.732 1.65343/640.7000.5910.090.03 2.250 2.5001 1/8 1.1250 1.149 1 11/16 1.688 1.631 1.949 1.8593/40.7800.580.090.03 2.500 2.7501 1/4 1.2500 1.277 1 7/8 1.875 1.812 2.165 2.06627/320.8760.7490.090.03 2.750 3.0001 3/8 1.3750 1.404

2 1/16 2.062 1.994 2.392 2.27329/320.9400.8100.090.03 3.000 3.2501 1/2 1.5000 1.531 2 1/4 2.250 2.175 2.598 2.4801 1.0360.9020.090.03 3.250 3.5001 3/4 1.7500 1.785 2 5/8 2.625 2.538 3.031 2.893 1 5/32 1.196 1.0540.120.04 3.750 4.0002 2.0000 2.0393 3.000 2.900 3.464 3.306 1 11/32 1.388 1.1750.120.04 4.250 4.5002 1/4 2.2500 2.305 3 3/8 3.375 3.262 3.897 3.719 1 1/2 1.548 1.3270.190.06 4.750 5.0002 1/2 2.5000 2.559 3 3/4 3.750 3.625 4.330 4.133 1 21/32 1.708 1.4790.190.06 5.250 5.5002 3/4 2.7500 2.827 4 1/8 4.125 3.988 4.763 4.546 1 13/16 1.869 1.6320.190.06 5.750 6.0003 3.0000 3.081 4 1/2 4.500 4.350 5.196 4.9592 2.060 1.8150.190.06 6.250 6.5003 1/4 3.2500 3.335 4 7/8 4.875 4.712 5.629 5.372 2 3/16 2.251 1.9360.190.06 6.7507.0003 1/2 3.5000 3.589 5 1/4 5.250 5.075 6.062 5.786 2 5/16 2.380 2.0570.190.067.2507.5003 3/4 3.7500 3.858 5 5/8 5.625 5.437 6.495 6.198 2 1/2 2.572 2.2410.190.067.7508.0004 4.0000

4.111

6 6.000 5.800 6.928 6.612 2 11/16 2.764 2.4240.190.06

8.250

8.500

LT(Ref)Thread Length

Width Across

Flats Width Across Comers

Head Height

F G H Body

Dia

Radius of Fillet

Nominal Size

or Basic

Bolt Dia

Roc-Master Hardware Co.,Ltd. T:86 21 6853 9080 F:86 21 -

美制精制六角螺栓

HEX CAP SCREWS

ANSI / ASME B18.2.1

Inches

Y For Bolt Lengths ≤6 in.For Bolt Lenghts

>6 in.Max MIN Basic Max

Min Max Min Basic Max Min Min Max Max Min Max Min Min Basic Basic Max 1/40.25000.25000.257/160.440.4280.5050.4885/320.1630.1500.0160.0100.3000.2800.0870.0430.0150.750 1.0000.2505/160.31250.31250.311/20.5000.4890.5770.55713/640.2110.1950.1400.0110.3620.3420.0870.0430.0150.875

1.1250.2783/80.37500.37500.379/160.5620.5510.6500.62815/640.2430.2260.1600.0120.4250.4050.0870.0430.015 1.000 1.2500.3127/160.43750.43750.435/80.6250.6120.7220.6989/320.2910.2720.1950.0130.4880.4680.0870.0430.015 1.125 1.3750.3851/20.50000.50000.493/40.7500.7360.8660.8405/160.3230.3020.2150.0140.5500.5300.0870.0430.015 1.250 1.5000.4179/160.56250.56250.554513/160.8120.7980.9380.91023/640.3710.3480.2500.0150.6520.6020.1570.0780.020 1.375 1.6250.4555/80.62500.62500.6215/160.9380.9220.983 1.05125/640.4030.3780.2690.0170.7150.6650.1570.0780.020 1.500 1.7500.5003/40.75000.75000.74 1 1/8 1.125 1.100 1.299 1.25415/320.4830.4550.3250.0200.8400.7900.1570.0780.020 1.750 2.0000.5567/80.87500.87500.87 1 5/161.312 1.285 1.516 1.46535/640.5630.5310.3780.023 1.0050.9550.2270.1130.040 2.000 2.2500.6251 1.00001.00000.99001 1/2 1.500 1.469 1.732 1.67539/640.6270.5910.4160.026 1.190 1.1200.3320.1660.060 2.250 2.5000.7141 1/8 1.12501.1250 1.111 11/161.688 1.631 1.949 1.85911/160.7180.580.4610.029 1.315 1.2450.3320.1660.060 2.500 2.7500.7141 1/4 1.25001.2500 1.24 1 7/8 1.875 1.812 2.165 2.06625/320.8130.7490.5300.033 1.440 1.3700.3320.1660.060 2.750 3.0000.8331 3/8 1.37501.3

750 1.36 2 1/162.062 1.994 2.392 2.27327/320.8780.8100.5690.036 1.565 1.4950.3320.1660.060 3.000 3.2500.8331 1/2 1.50001.50001.48802 1/4 2.250 2.175 2.598 2.48015/160.9740.9020.6400.039 1.690 1.6200.3320.1660.060 3.250 3.500 1.0001 3/4 1.75001.7500 1.74 2 5/8 2.625 2.538 3.031 2.8931 3/321.134 1.0540.7480.046 1.940 1.8700.3320.1660.060 3.750 4.000 1.0002 2.00002.0000 1.993 3.000 2.900 3.464 3.3061 7/321.263 1.1750.8250.052 2.190 2.1200.3320.1660.060 4.250 4.500 1.1112 1/4 2.25002.2500 2.24 3 3/8 3.375 3.262 3.897 3.719 1 3/8 1.423 1.3270.9330.059 2.440 2.3700.3320.1660.060 4.750 5.000 1.1112 1/2 2.50002.50002.48803 3/4 3.750 3.625 4.330 4.1331 17/321.583 1.479 1.0420.065 2.690 2.6200.3320.1660.060 5.250 5.500 1.2502 3/4 2.75002.7500 2.74 4 1/8 4.125 3.988 4.763 4.5461 11/161.744 1.632 1.1510.072 2.940 2.8700.3320.1660.060 5.750 6.000 1.2503

3.00003.00002.9880 4 1/2

4.500 4.350

5.196

4.959 1 7/8 1.935 1.815

1.2900.079

3.190

3.120

0.332

0.166

0.060

6.250

6.500