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技术资料>公制螺纹的大径中径底径公差及其计算方法>内螺纹大径D的公差尺寸标准

内螺纹的大径D公差尺寸

——补充螺纹大、中、小径的公差及计算方法之内螺纹大径的对照表

前言
内螺纹大径D的尺寸公差表

前言

本页作为公制螺纹的大径中径底径公差及其计算方法页面的的补充页面，由于原文太长,采用本页单独列出内螺纹的大径尺寸公差对照表作为补充。

更多信息请参考原文：公制螺纹的大径中径底径公差及其计算方法

内螺纹的大径D的尺寸公差标准

内螺纹大径公差尺寸对照表单位mm

螺母
牙距
内螺纹大径 D	4G	最小值
	5G	最小值
	6G	最小值
	7G	最小值
	8G	最小值
	4H	最小值
	5H	最小值
	6H	最小值
	7H	最小值
	8H	最小值

M1		M1.1		M1.2		M1.4		M1.6		M1.8		M2		M2.2		M2.5		M3		M3.5		M4		M4.5		M5		M5.5	M6		M7		M8			M9			M10				M11			M12				M14				M15		M16			M17		M18				M20				M22				M24				M25			M26	M27				M28			M30					M32		M33				M35	M36				M38	M39				M40			M42					M45					M48					M50			M52					M55				M56					M58				M60					M62				M64					M65				M68					M70					M72					M75				M76					M78	M80					M82	M85				M90				M95				M100				M105				M110				M115				M120				M125				M130				M135				M140				M145				M150					M155			M160				M165			M170				M175			M180				M185			M190				M195			M200				M205			M210				M215			M220				M225			M230				M235			M240				M245			M250				M255		M260			M265		M270			M275		M280			M285		M290			M295		M300
0.25	0.2	0.25	0.2	0.25	0.2	0.3	0.2	0.35	0.2	0.35	0.2	0.4	0.25	0.45	0.25	0.45	0.35	0.5	0.35	0.6	0.35	0.7	0.5	0.75	0.5	0.8	0.5	0.5	1	0.75	1	0.75	1.25	1	0.75	1.25	1	0.75	1.5	1.25	1	0.75	1.5	1	0.75	1.75	1.5	1.25	1	2	1.5	1.25	1	1.5	1	2	1.5	1	1.5	1	2.5	2	1.5	1	2.5	2	1.5	1	2.5	2	1.5	1	3	2	1.5	1	2	1.5	1	1.5	3	2	1.5	1	2	1.5	1	3.5	3	2	1.5	1	2	1.5	3.5	3	2	1.5	1.5	4	3	2	1.5	1.5	4	3	2	1.5	3	2	1.5	4.5	4	3	2	1.5	4.5	4	3	2	1.5	5	4	3	2	1.5	3	2	1.5	5	4	3	2	1.5	4	3	2	1.5	5.5	4	3	2	1.5	4	3	2	1.5	5.5	4	3	2	1.5	4	3	2	1.5	6	4	3	2	1.5	4	3	2	1.5	6	4	3	2	1.5	6	4	3	2	1.5	6	4	3	2	1.5	4	3	2	1.5	6	4	3	2	1.5	2	6	4	3	2	1.5	2	6	4	3	2	6	4	3	2	6	4	3	2	6	4	3	2	6	4	3	2	6	4	3	2	6	4	3	2	6	4	3	2	6	4	3	2	6	4	3	2	6	4	3	2	6	4	3	2	6	4	3	2	8	6	4	3	2	6	4	3	8	6	4	3	6	4	3	8	6	4	3	6	4	3	8	6	4	3	6	4	3	8	6	4	3	6	4	3	8	6	4	3	6	4	3	8	6	4	3	6	4	3	8	6	4	3	6	4	3	8	6	4	3	6	4	3	8	6	4	3	6	4	3	8	6	4	3	6	4	8	6	4	6	4	8	6	4	6	4	8	6	4	6	4	8	6	4	6	4	8	6	4
1.018	1.017	1.118	1.117	1.218	1.217	1.418	1.417	1.619	1.617	1.819	1.817	2.019	2.018	2.22	2.218	2.52	2.519	3.02	3.019	3.521	3.519	4.022	4.02	4.522	4.52	5.024	5.02	5.52	6.026	6.022	7.026	7.022	8.028	8.026	8.022	9.028	9.026	9.022	10.032	10.028	10.026	10.022	11.032	11.026	11.022	12.034	12.032	12.028	12.026	14.038	14.032	14.028	14.026	15.032	15.026	16.038	16.032	16.026	17.032	17.026	18.042	18.038	18.032	18.026	20.042	20.038	20.032	20.026	22.042	22.038	22.032	22.026	24.048	24.038	24.032	24.026	25.038	25.032	25.026	26.032	27.048	27.038	27.032	27.026	28.038	28.032	28.026	30.053	30.048	30.038	30.032	30.026	32.038	32.032	33.053	33.048	33.038	33.032	35.032	36.06	36.048	36.038	36.032	38.032	39.06	39.048	39.038	39.032	40.048	40.038	40.032	42.063	42.06	42.048	42.038	42.032	45.063	45.06	45.048	45.038	45.032	48.071	48.06	48.048	48.038	48.032	50.048	50.038	50.032	52.071	52.06	52.048	52.038	52.032	55.06	55.048	55.038	55.032	56.075	56.06	56.048	56.038	56.032	58.06	58.048	58.038	58.032	60.075	60.06	60.048	60.038	60.032	62.06	62.048	62.038	62.032	64.08	64.06	64.048	64.038	64.032	65.06	65.048	65.038	65.032	68.08	68.06	68.048	68.038	68.032	70.08	70.06	70.048	70.038	70.032	72.08	72.06	72.048	72.038	72.032	75.06	75.048	75.038	75.032	76.08	76.06	76.048	76.038	76.032	78.038	80.08	80.06	80.048	80.038	80.032	82.038	85.08	85.06	85.048	85.038	90.08	90.06	90.048	90.038	95.08	95.06	95.048	95.038	100.08	100.06	100.048	100.038	105.08	105.06	105.048	105.038	110.08	110.06	110.048	110.038	115.08	115.06	115.048	115.038	120.08	120.06	120.048	120.038	125.08	125.06	125.048	125.038	130.08	130.06	130.048	130.038	135.08	135.06	135.048	135.038	140.08	140.06	140.048	140.038	145.08	145.06	145.048	145.038	150.1	150.08	150.06	150.048	150.038	155.08	155.06	155.048	160.1	160.08	160.06	160.048	165.08	165.06	165.048	170.1	170.08	170.06	170.048	175.08	175.06	175.048	180.1	180.08	180.06	180.048	185.08	185.06	185.048	190.1	190.08	190.06	190.048	195.08	195.06	195.048	200.1	200.08	200.06	200.048	205.08	205.06	205.048	210.1	210.08	210.06	210.048	215.08	215.06	215.048	220.1	220.08	220.06	220.048	225.08	225.06	225.048	230.1	230.08	230.06	230.048	235.08	235.06	235.048	240.1	240.08	240.06	240.048	245.08	245.06	245.048	250.1	250.08	250.06	250.048	255.08	255.06	260.1	260.08	260.06	265.08	265.06	270.1	270.08	270.06	275.08	275.06	280.1	280.08	280.06	285.08	285.06	290.1	290.08	290.06	295.08	295.06	300.1	300.08	300.06
1.018	1.017	1.118	1.117	1.218	1.217	1.418	1.417	1.619	1.617	1.819	1.817	2.019	2.018	2.22	2.218	2.52	2.519	3.02	3.019	3.521	3.519	4.022	4.02	4.522	4.52	5.024	5.02	5.52	6.026	6.022	7.026	7.022	8.028	8.026	8.022	9.028	9.026	9.022	10.032	10.028	10.026	10.022	11.032	11.026	11.022	12.034	12.032	12.028	12.026	14.038	14.032	14.028	14.026	15.032	15.026	16.038	16.032	16.026	17.032	17.026	18.042	18.038	18.032	18.026	20.042	20.038	20.032	20.026	22.042	22.038	22.032	22.026	24.048	24.038	24.032	24.026	25.038	25.032	25.026	26.032	27.048	27.038	27.032	27.026	28.038	28.032	28.026	30.053	30.048	30.038	30.032	30.026	32.038	32.032	33.053	33.048	33.038	33.032	35.032	36.06	36.048	36.038	36.032	38.032	39.06	39.048	39.038	39.032	40.048	40.038	40.032	42.063	42.06	42.048	42.038	42.032	45.063	45.06	45.048	45.038	45.032	48.071	48.06	48.048	48.038	48.032	50.048	50.038	50.032	52.071	52.06	52.048	52.038	52.032	55.06	55.048	55.038	55.032	56.075	56.06	56.048	56.038	56.032	58.06	58.048	58.038	58.032	60.075	60.06	60.048	60.038	60.032	62.06	62.048	62.038	62.032	64.08	64.06	64.048	64.038	64.032	65.06	65.048	65.038	65.032	68.08	68.06	68.048	68.038	68.032	70.08	70.06	70.048	70.038	70.032	72.08	72.06	72.048	72.038	72.032	75.06	75.048	75.038	75.032	76.08	76.06	76.048	76.038	76.032	78.038	80.08	80.06	80.048	80.038	80.032	82.038	85.08	85.06	85.048	85.038	90.08	90.06	90.048	90.038	95.08	95.06	95.048	95.038	100.08	100.06	100.048	100.038	105.08	105.06	105.048	105.038	110.08	110.06	110.048	110.038	115.08	115.06	115.048	115.038	120.08	120.06	120.048	120.038	125.08	125.06	125.048	125.038	130.08	130.06	130.048	130.038	135.08	135.06	135.048	135.038	140.08	140.06	140.048	140.038	145.08	145.06	145.048	145.038	150.1	150.08	150.06	150.048	150.038	155.08	155.06	155.048	160.1	160.08	160.06	160.048	165.08	165.06	165.048	170.1	170.08	170.06	170.048	175.08	175.06	175.048	180.1	180.08	180.06	180.048	185.08	185.06	185.048	190.1	190.08	190.06	190.048	195.08	195.06	195.048	200.1	200.08	200.06	200.048	205.08	205.06	205.048	210.1	210.08	210.06	210.048	215.08	215.06	215.048	220.1	220.08	220.06	220.048	225.08	225.06	225.048	230.1	230.08	230.06	230.048	235.08	235.06	235.048	240.1	240.08	240.06	240.048	245.08	245.06	245.048	250.1	250.08	250.06	250.048	255.08	255.06	260.1	260.08	260.06	265.08	265.06	270.1	270.08	270.06	275.08	275.06	280.1	280.08	280.06	285.08	285.06	290.1	290.08	290.06	295.08	295.06	300.1	300.08	300.06
1.018	1.017	1.118	1.117	1.218	1.217	1.418	1.417	1.619	1.617	1.819	1.817	2.019	2.018	2.22	2.218	2.52	2.519	3.02	3.019	3.521	3.519	4.022	4.02	4.522	4.52	5.024	5.02	5.52	6.026	6.022	7.026	7.022	8.028	8.026	8.022	9.028	9.026	9.022	10.032	10.028	10.026	10.022	11.032	11.026	11.022	12.034	12.032	12.028	12.026	14.038	14.032	14.028	14.026	15.032	15.026	16.038	16.032	16.026	17.032	17.026	18.042	18.038	18.032	18.026	20.042	20.038	20.032	20.026	22.042	22.038	22.032	22.026	24.048	24.038	24.032	24.026	25.038	25.032	25.026	26.032	27.048	27.038	27.032	27.026	28.038	28.032	28.026	30.053	30.048	30.038	30.032	30.026	32.038	32.032	33.053	33.048	33.038	33.032	35.032	36.06	36.048	36.038	36.032	38.032	39.06	39.048	39.038	39.032	40.048	40.038	40.032	42.063	42.06	42.048	42.038	42.032	45.063	45.06	45.048	45.038	45.032	48.071	48.06	48.048	48.038	48.032	50.048	50.038	50.032	52.071	52.06	52.048	52.038	52.032	55.06	55.048	55.038	55.032	56.075	56.06	56.048	56.038	56.032	58.06	58.048	58.038	58.032	60.075	60.06	60.048	60.038	60.032	62.06	62.048	62.038	62.032	64.08	64.06	64.048	64.038	64.032	65.06	65.048	65.038	65.032	68.08	68.06	68.048	68.038	68.032	70.08	70.06	70.048	70.038	70.032	72.08	72.06	72.048	72.038	72.032	75.06	75.048	75.038	75.032	76.08	76.06	76.048	76.038	76.032	78.038	80.08	80.06	80.048	80.038	80.032	82.038	85.08	85.06	85.048	85.038	90.08	90.06	90.048	90.038	95.08	95.06	95.048	95.038	100.08	100.06	100.048	100.038	105.08	105.06	105.048	105.038	110.08	110.06	110.048	110.038	115.08	115.06	115.048	115.038	120.08	120.06	120.048	120.038	125.08	125.06	125.048	125.038	130.08	130.06	130.048	130.038	135.08	135.06	135.048	135.038	140.08	140.06	140.048	140.038	145.08	145.06	145.048	145.038	150.1	150.08	150.06	150.048	150.038	155.08	155.06	155.048	160.1	160.08	160.06	160.048	165.08	165.06	165.048	170.1	170.08	170.06	170.048	175.08	175.06	175.048	180.1	180.08	180.06	180.048	185.08	185.06	185.048	190.1	190.08	190.06	190.048	195.08	195.06	195.048	200.1	200.08	200.06	200.048	205.08	205.06	205.048	210.1	210.08	210.06	210.048	215.08	215.06	215.048	220.1	220.08	220.06	220.048	225.08	225.06	225.048	230.1	230.08	230.06	230.048	235.08	235.06	235.048	240.1	240.08	240.06	240.048	245.08	245.06	245.048	250.1	250.08	250.06	250.048	255.08	255.06	260.1	260.08	260.06	265.08	265.06	270.1	270.08	270.06	275.08	275.06	280.1	280.08	280.06	285.08	285.06	290.1	290.08	290.06	295.08	295.06	300.1	300.08	300.06
1.018	1.017	1.118	1.117	1.218	1.217	1.418	1.417	1.619	1.617	1.819	1.817	2.019	2.018	2.22	2.218	2.52	2.519	3.02	3.019	3.521	3.519	4.022	4.02	4.522	4.52	5.024	5.02	5.52	6.026	6.022	7.026	7.022	8.028	8.026	8.022	9.028	9.026	9.022	10.032	10.028	10.026	10.022	11.032	11.026	11.022	12.034	12.032	12.028	12.026	14.038	14.032	14.028	14.026	15.032	15.026	16.038	16.032	16.026	17.032	17.026	18.042	18.038	18.032	18.026	20.042	20.038	20.032	20.026	22.042	22.038	22.032	22.026	24.048	24.038	24.032	24.026	25.038	25.032	25.026	26.032	27.048	27.038	27.032	27.026	28.038	28.032	28.026	30.053	30.048	30.038	30.032	30.026	32.038	32.032	33.053	33.048	33.038	33.032	35.032	36.06	36.048	36.038	36.032	38.032	39.06	39.048	39.038	39.032	40.048	40.038	40.032	42.063	42.06	42.048	42.038	42.032	45.063	45.06	45.048	45.038	45.032	48.071	48.06	48.048	48.038	48.032	50.048	50.038	50.032	52.071	52.06	52.048	52.038	52.032	55.06	55.048	55.038	55.032	56.075	56.06	56.048	56.038	56.032	58.06	58.048	58.038	58.032	60.075	60.06	60.048	60.038	60.032	62.06	62.048	62.038	62.032	64.08	64.06	64.048	64.038	64.032	65.06	65.048	65.038	65.032	68.08	68.06	68.048	68.038	68.032	70.08	70.06	70.048	70.038	70.032	72.08	72.06	72.048	72.038	72.032	75.06	75.048	75.038	75.032	76.08	76.06	76.048	76.038	76.032	78.038	80.08	80.06	80.048	80.038	80.032	82.038	85.08	85.06	85.048	85.038	90.08	90.06	90.048	90.038	95.08	95.06	95.048	95.038	100.08	100.06	100.048	100.038	105.08	105.06	105.048	105.038	110.08	110.06	110.048	110.038	115.08	115.06	115.048	115.038	120.08	120.06	120.048	120.038	125.08	125.06	125.048	125.038	130.08	130.06	130.048	130.038	135.08	135.06	135.048	135.038	140.08	140.06	140.048	140.038	145.08	145.06	145.048	145.038	150.1	150.08	150.06	150.048	150.038	155.08	155.06	155.048	160.1	160.08	160.06	160.048	165.08	165.06	165.048	170.1	170.08	170.06	170.048	175.08	175.06	175.048	180.1	180.08	180.06	180.048	185.08	185.06	185.048	190.1	190.08	190.06	190.048	195.08	195.06	195.048	200.1	200.08	200.06	200.048	205.08	205.06	205.048	210.1	210.08	210.06	210.048	215.08	215.06	215.048	220.1	220.08	220.06	220.048	225.08	225.06	225.048	230.1	230.08	230.06	230.048	235.08	235.06	235.048	240.1	240.08	240.06	240.048	245.08	245.06	245.048	250.1	250.08	250.06	250.048	255.08	255.06	260.1	260.08	260.06	265.08	265.06	270.1	270.08	270.06	275.08	275.06	280.1	280.08	280.06	285.08	285.06	290.1	290.08	290.06	295.08	295.06	300.1	300.08	300.06
1.018	1.017	1.118	1.117	1.218	1.217	1.418	1.417	1.619	1.617	1.819	1.817	2.019	2.018	2.22	2.218	2.52	2.519	3.02	3.019	3.521	3.519	4.022	4.02	4.522	4.52	5.024	5.02	5.52	6.026	6.022	7.026	7.022	8.028	8.026	8.022	9.028	9.026	9.022	10.032	10.028	10.026	10.022	11.032	11.026	11.022	12.034	12.032	12.028	12.026	14.038	14.032	14.028	14.026	15.032	15.026	16.038	16.032	16.026	17.032	17.026	18.042	18.038	18.032	18.026	20.042	20.038	20.032	20.026	22.042	22.038	22.032	22.026	24.048	24.038	24.032	24.026	25.038	25.032	25.026	26.032	27.048	27.038	27.032	27.026	28.038	28.032	28.026	30.053	30.048	30.038	30.032	30.026	32.038	32.032	33.053	33.048	33.038	33.032	35.032	36.06	36.048	36.038	36.032	38.032	39.06	39.048	39.038	39.032	40.048	40.038	40.032	42.063	42.06	42.048	42.038	42.032	45.063	45.06	45.048	45.038	45.032	48.071	48.06	48.048	48.038	48.032	50.048	50.038	50.032	52.071	52.06	52.048	52.038	52.032	55.06	55.048	55.038	55.032	56.075	56.06	56.048	56.038	56.032	58.06	58.048	58.038	58.032	60.075	60.06	60.048	60.038	60.032	62.06	62.048	62.038	62.032	64.08	64.06	64.048	64.038	64.032	65.06	65.048	65.038	65.032	68.08	68.06	68.048	68.038	68.032	70.08	70.06	70.048	70.038	70.032	72.08	72.06	72.048	72.038	72.032	75.06	75.048	75.038	75.032	76.08	76.06	76.048	76.038	76.032	78.038	80.08	80.06	80.048	80.038	80.032	82.038	85.08	85.06	85.048	85.038	90.08	90.06	90.048	90.038	95.08	95.06	95.048	95.038	100.08	100.06	100.048	100.038	105.08	105.06	105.048	105.038	110.08	110.06	110.048	110.038	115.08	115.06	115.048	115.038	120.08	120.06	120.048	120.038	125.08	125.06	125.048	125.038	130.08	130.06	130.048	130.038	135.08	135.06	135.048	135.038	140.08	140.06	140.048	140.038	145.08	145.06	145.048	145.038	150.1	150.08	150.06	150.048	150.038	155.08	155.06	155.048	160.1	160.08	160.06	160.048	165.08	165.06	165.048	170.1	170.08	170.06	170.048	175.08	175.06	175.048	180.1	180.08	180.06	180.048	185.08	185.06	185.048	190.1	190.08	190.06	190.048	195.08	195.06	195.048	200.1	200.08	200.06	200.048	205.08	205.06	205.048	210.1	210.08	210.06	210.048	215.08	215.06	215.048	220.1	220.08	220.06	220.048	225.08	225.06	225.048	230.1	230.08	230.06	230.048	235.08	235.06	235.048	240.1	240.08	240.06	240.048	245.08	245.06	245.048	250.1	250.08	250.06	250.048	255.08	255.06	260.1	260.08	260.06	265.08	265.06	270.1	270.08	270.06	275.08	275.06	280.1	280.08	280.06	285.08	285.06	290.1	290.08	290.06	295.08	295.06	300.1	300.08	300.06
1	1	1.1	1.1	1.2	1.2	1.4	1.4	1.6	1.6	1.8	1.8	2	2	2.2	2.2	2.5	2.5	3	3	3.5	3.5	4	4	4.5	4.5	5	5	5.5	6	6	7	7	8	8	8	9	9	9	10	10	10	10	11	11	11	12	12	12	12	14	14	14	14	15	15	16	16	16	17	17	18	18	18	18	20	20	20	20	22	22	22	22	24	24	24	24	25	25	25	26	27	27	27	27	28	28	28	30	30	30	30	30	32	32	33	33	33	33	35	36	36	36	36	38	39	39	39	39	40	40	40	42	42	42	42	42	45	45	45	45	45	48	48	48	48	48	50	50	50	52	52	52	52	52	55	55	55	55	56	56	56	56	56	58	58	58	58	60	60	60	60	60	62	62	62	62	64	64	64	64	64	65	65	65	65	68	68	68	68	68	70	70	70	70	70	72	72	72	72	72	75	75	75	75	76	76	76	76	76	78	80	80	80	80	80	82	85	85	85	85	90	90	90	90	95	95	95	95	100	100	100	100	105	105	105	105	110	110	110	110	115	115	115	115	120	120	120	120	125	125	125	125	130	130	130	130	135	135	135	135	140	140	140	140	145	145	145	145	150	150	150	150	150	155	155	155	160	160	160	160	165	165	165	170	170	170	170	175	175	175	180	180	180	180	185	185	185	190	190	190	190	195	195	195	200	200	200	200	205	205	205	210	210	210	210	215	215	215	220	220	220	220	225	225	225	230	230	230	230	235	235	235	240	240	240	240	245	245	245	250	250	250	250	255	255	260	260	260	265	265	270	270	270	275	275	280	280	280	285	285	290	290	290	295	295	300	300	300
1	1	1.1	1.1	1.2	1.2	1.4	1.4	1.6	1.6	1.8	1.8	2	2	2.2	2.2	2.5	2.5	3	3	3.5	3.5	4	4	4.5	4.5	5	5	5.5	6	6	7	7	8	8	8	9	9	9	10	10	10	10	11	11	11	12	12	12	12	14	14	14	14	15	15	16	16	16	17	17	18	18	18	18	20	20	20	20	22	22	22	22	24	24	24	24	25	25	25	26	27	27	27	27	28	28	28	30	30	30	30	30	32	32	33	33	33	33	35	36	36	36	36	38	39	39	39	39	40	40	40	42	42	42	42	42	45	45	45	45	45	48	48	48	48	48	50	50	50	52	52	52	52	52	55	55	55	55	56	56	56	56	56	58	58	58	58	60	60	60	60	60	62	62	62	62	64	64	64	64	64	65	65	65	65	68	68	68	68	68	70	70	70	70	70	72	72	72	72	72	75	75	75	75	76	76	76	76	76	78	80	80	80	80	80	82	85	85	85	85	90	90	90	90	95	95	95	95	100	100	100	100	105	105	105	105	110	110	110	110	115	115	115	115	120	120	120	120	125	125	125	125	130	130	130	130	135	135	135	135	140	140	140	140	145	145	145	145	150	150	150	150	150	155	155	155	160	160	160	160	165	165	165	170	170	170	170	175	175	175	180	180	180	180	185	185	185	190	190	190	190	195	195	195	200	200	200	200	205	205	205	210	210	210	210	215	215	215	220	220	220	220	225	225	225	230	230	230	230	235	235	235	240	240	240	240	245	245	245	250	250	250	250	255	255	260	260	260	265	265	270	270	270	275	275	280	280	280	285	285	290	290	290	295	295	300	300	300
1	1	1.1	1.1	1.2	1.2	1.4	1.4	1.6	1.6	1.8	1.8	2	2	2.2	2.2	2.5	2.5	3	3	3.5	3.5	4	4	4.5	4.5	5	5	5.5	6	6	7	7	8	8	8	9	9	9	10	10	10	10	11	11	11	12	12	12	12	14	14	14	14	15	15	16	16	16	17	17	18	18	18	18	20	20	20	20	22	22	22	22	24	24	24	24	25	25	25	26	27	27	27	27	28	28	28	30	30	30	30	30	32	32	33	33	33	33	35	36	36	36	36	38	39	39	39	39	40	40	40	42	42	42	42	42	45	45	45	45	45	48	48	48	48	48	50	50	50	52	52	52	52	52	55	55	55	55	56	56	56	56	56	58	58	58	58	60	60	60	60	60	62	62	62	62	64	64	64	64	64	65	65	65	65	68	68	68	68	68	70	70	70	70	70	72	72	72	72	72	75	75	75	75	76	76	76	76	76	78	80	80	80	80	80	82	85	85	85	85	90	90	90	90	95	95	95	95	100	100	100	100	105	105	105	105	110	110	110	110	115	115	115	115	120	120	120	120	125	125	125	125	130	130	130	130	135	135	135	135	140	140	140	140	145	145	145	145	150	150	150	150	150	155	155	155	160	160	160	160	165	165	165	170	170	170	170	175	175	175	180	180	180	180	185	185	185	190	190	190	190	195	195	195	200	200	200	200	205	205	205	210	210	210	210	215	215	215	220	220	220	220	225	225	225	230	230	230	230	235	235	235	240	240	240	240	245	245	245	250	250	250	250	255	255	260	260	260	265	265	270	270	270	275	275	280	280	280	285	285	290	290	290	295	295	300	300	300
1	1	1.1	1.1	1.2	1.2	1.4	1.4	1.6	1.6	1.8	1.8	2	2	2.2	2.2	2.5	2.5	3	3	3.5	3.5	4	4	4.5	4.5	5	5	5.5	6	6	7	7	8	8	8	9	9	9	10	10	10	10	11	11	11	12	12	12	12	14	14	14	14	15	15	16	16	16	17	17	18	18	18	18	20	20	20	20	22	22	22	22	24	24	24	24	25	25	25	26	27	27	27	27	28	28	28	30	30	30	30	30	32	32	33	33	33	33	35	36	36	36	36	38	39	39	39	39	40	40	40	42	42	42	42	42	45	45	45	45	45	48	48	48	48	48	50	50	50	52	52	52	52	52	55	55	55	55	56	56	56	56	56	58	58	58	58	60	60	60	60	60	62	62	62	62	64	64	64	64	64	65	65	65	65	68	68	68	68	68	70	70	70	70	70	72	72	72	72	72	75	75	75	75	76	76	76	76	76	78	80	80	80	80	80	82	85	85	85	85	90	90	90	90	95	95	95	95	100	100	100	100	105	105	105	105	110	110	110	110	115	115	115	115	120	120	120	120	125	125	125	125	130	130	130	130	135	135	135	135	140	140	140	140	145	145	145	145	150	150	150	150	150	155	155	155	160	160	160	160	165	165	165	170	170	170	170	175	175	175	180	180	180	180	185	185	185	190	190	190	190	195	195	195	200	200	200	200	205	205	205	210	210	210	210	215	215	215	220	220	220	220	225	225	225	230	230	230	230	235	235	235	240	240	240	240	245	245	245	250	250	250	250	255	255	260	260	260	265	265	270	270	270	275	275	280	280	280	285	285	290	290	290	295	295	300	300	300
1	1	1.1	1.1	1.2	1.2	1.4	1.4	1.6	1.6	1.8	1.8	2	2	2.2	2.2	2.5	2.5	3	3	3.5	3.5	4	4	4.5	4.5	5	5	5.5	6	6	7	7	8	8	8	9	9	9	10	10	10	10	11	11	11	12	12	12	12	14	14	14	14	15	15	16	16	16	17	17	18	18	18	18	20	20	20	20	22	22	22	22	24	24	24	24	25	25	25	26	27	27	27	27	28	28	28	30	30	30	30	30	32	32	33	33	33	33	35	36	36	36	36	38	39	39	39	39	40	40	40	42	42	42	42	42	45	45	45	45	45	48	48	48	48	48	50	50	50	52	52	52	52	52	55	55	55	55	56	56	56	56	56	58	58	58	58	60	60	60	60	60	62	62	62	62	64	64	64	64	64	65	65	65	65	68	68	68	68	68	70	70	70	70	70	72	72	72	72	72	75	75	75	75	76	76	76	76	76	78	80	80	80	80	80	82	85	85	85	85	90	90	90	90	95	95	95	95	100	100	100	100	105	105	105	105	110	110	110	110	115	115	115	115	120	120	120	120	125	125	125	125	130	130	130	130	135	135	135	135	140	140	140	140	145	145	145	145	150	150	150	150	150	155	155	155	160	160	160	160	165	165	165	170	170	170	170	175	175	175	180	180	180	180	185	185	185	190	190	190	190	195	195	195	200	200	200	200	205	205	205	210	210	210	210	215	215	215	220	220	220	220	225	225	225	230	230	230	230	235	235	235	240	240	240	240	245	245	245	250	250	250	250	255	255	260	260	260	265	265	270	270	270	275	275	280	280	280	285	285	290	290	290	295	295	300	300	300

        绿色标识框为默认、推荐、或常用项。
   斜杠“/”表示国标中没有规定或不宜规定。
   国标未规格内螺纹大径的最大值。制造者可根据实际情况（如热浸热锌、较厚的电镀锌、较长螺纹的热处理变形等）自行加大。

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产品分类列表

松不脱螺钉

压铆紧固件

螺母类

螺柱类

螺钉类

定位|销

拉铆类

塑胶用嵌入螺母

模内注塑系列

热熔植入系列

冷压植入系列

自攻嵌入系列

自攻嵌件ST
开槽自攻SS

其它

六角支柱

六角支柱标准

车削件

非标车削件

特殊件销轴插针

贴片螺母SMTSO

标准紧固件

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