Flat Washer High Quality Carbon Steel Stainless Steel China Manufacturer DIN125

Flat washer Introduction

Flat washer is one of the commonly used fasteners. Flat washer is produced by stamping and forming iron plates. It's characterized by a hole in the center. Flat Washers are available in various shapes such as round flat washers, square flat washers, shaped flat washers.

Flat Washers are placed between the nut and the connecting piece to distribute the pressure of the nut on the connecting piece. Flat Washers are available in carbon steel, stainless steel, rubber, and more. Flat Washers made of carbon steel have surface treatment methods such as electro-galvanized, hot-dip galvanized, Dacromet, etc.

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Flat washer Details

SIZE: M3-M36

MATEAIL: Carbon Steel, Stainless Steel

STANDARD: DIN, EN, IFI, ISO, ANSI, JIS, GB

GRADE: 4.8, 8.8, 10.9, 12.9

SURFACE TREATMENT: ZP, HDG, BLACK, Dacromet

CUSTOMIZED SUPPORT: YES

Flat washer Gallery

Stainless Steel Flat Washers

Carbon Steel Electro-galvanized Flat Washers

Hot-dip Galvanized Flat Washers

DIN125-1 Flat washer Specifications

SizeΦ1.7Φ1.8Φ2.2Φ2.5Φ2.7Φ2.8Φ3.2Φ3.7Φ4.3Φ5.3Φ6.4Φ7.4Φ8.4Φ10.5Φ13Φ15
MFor   thread size　M1.6M1.7M2M2.3M2.5M2.6M3M3.5M4M5M6M7M8M10M12M14
dmin=nominal   size　1.71.82.22.52.72.83.23.74.35.36.47.48.410.51315
max　1.841.942.342.642.842.943.383.884.485.486.627.628.6210.7713.2715.27
dcmax=nominal   size　44.5566778910121416202428
min　3.74.24.75.75.76.646.647.648.649.6411.5713.5715.5719.4823.4827.48
hNominal   Size　0.30.30.30.50.50.50.50.50.811.61.61.622.52.5
max　0.350.350.350.550.550.550.550.550.91.11.81.81.82.22.72.7
min　0.250.250.250.450.450.450.450.450.70.91.41.41.41.82.32.3
　
SizeΦ17Φ19Φ21Φ23Φ25Φ27Φ28Φ29Φ31Φ33Φ34Φ36Φ37Φ39Φ40Φ41
MFor   thread size　M16M18M20M22M24M26M27M28M30M32M33M35M36M38M39M40
dmin=nominal   size　17192123252728293133343637394041
max　17.2719.3321.3323.3325.3327.3328.3329.3331.3933.6234.6236.6237.6239.6240.6241.62
dcmax=nominal   size　30343739445050505660606666727272
min　29.4833.3836.3838.3843.3849.3849.3849.3855.2658.858.864.864.870.870.870.8
hNominal   Size　3333444445555666
max　3.33.33.33.34.34.34.34.34.35.65.65.65.66.66.66.6
min　2.72.72.72.73.73.73.73.73.74.44.44.44.45.45.45.4
　
SizeΦ43Φ46Φ50Φ52Φ54Φ57Φ58Φ60Φ62Φ66Φ70Φ74Φ78Φ82Φ87Φ93
MFor   thread size　M42M45M48M50M52M55M56M58M60M64M68M72M76M80M85M90
dmin=nominal   size　43465052545758606266707478828793
max　43.6246.6250.6252.7454.7457.7458.7460.7462.7466.7470.7474.7478.7482.8787.8793.87
dcmax=nominal   size　7885929298105105110110115120125135140145160
min　76.883.690.690.696.6103.6103.6108.6108.6113.6118.6123.4133.4138.4143.4158.4
hNominal   Size　7788899999101010121212
max　88999101010101011111113.213.213.2
min　667778888899910.810.810.8
　
SizeΦ98Φ104Φ109Φ114Φ119Φ124Φ129Φ134Φ139Φ144Φ149Φ155Φ165　　　
MFor   thread size　M95M100M105M110M115M120M125M130M135M140M145M150M160　　　
dmin=nominal   size　98104109114119124129134139144149155165　　　
max　98.87104.87109.87114.87119.87125130135140145150156166　　　
dcmax=nominal   size　165175180185200210220220230240250250250　　　
min　163.4173.4178.4183.15198.15*208.15218.15218.15228.15238.15248.15248.15248.15　　　
hNominal   Size　12141414141616161618181818　　　
max　13.215.215.215.215.217.217.217.217.219.219.219.219.2　　　
min　10.812.812.812.812.814.814.814.814.816.816.816.816.8　　　

Size	Φ1.7	Φ1.8	Φ2.2	Φ2.5	Φ2.7	Φ2.8	Φ3.2	Φ3.7	Φ4.3	Φ5.3	Φ6.4	Φ7.4	Φ8.4	Φ10.5	Φ13	Φ15
M	For thread size		M1.6	M1.7	M2	M2.3	M2.5	M2.6	M3	M3.5	M4	M5	M6	M7	M8	M10	M12	M14
d	min=nominal size		1.7	1.8	2.2	2.5	2.7	2.8	3.2	3.7	4.3	5.3	6.4	7.4	8.4	10.5	13	15
max		1.84	1.94	2.34	2.64	2.84	2.94	3.38	3.88	4.48	5.48	6.62	7.62	8.62	10.77	13.27	15.27
dc	max=nominal size		4	4.5	5	6	6	7	7	8	9	10	12	14	16	20	24	28
min		3.7	4.2	4.7	5.7	5.7	6.64	6.64	7.64	8.64	9.64	11.57	13.57	15.57	19.48	23.48	27.48
h	Nominal Size		0.3	0.3	0.3	0.5	0.5	0.5	0.5	0.5	0.8	1	1.6	1.6	1.6	2	2.5	2.5
max		0.35	0.35	0.35	0.55	0.55	0.55	0.55	0.55	0.9	1.1	1.8	1.8	1.8	2.2	2.7	2.7
min		0.25	0.25	0.25	0.45	0.45	0.45	0.45	0.45	0.7	0.9	1.4	1.4	1.4	1.8	2.3	2.3

Size	Φ17	Φ19	Φ21	Φ23	Φ25	Φ27	Φ28	Φ29	Φ31	Φ33	Φ34	Φ36	Φ37	Φ39	Φ40	Φ41
M	For thread size		M16	M18	M20	M22	M24	M26	M27	M28	M30	M32	M33	M35	M36	M38	M39	M40
d	min=nominal size		17	19	21	23	25	27	28	29	31	33	34	36	37	39	40	41
max		17.27	19.33	21.33	23.33	25.33	27.33	28.33	29.33	31.39	33.62	34.62	36.62	37.62	39.62	40.62	41.62
dc	max=nominal size		30	34	37	39	44	50	50	50	56	60	60	66	66	72	72	72
min		29.48	33.38	36.38	38.38	43.38	49.38	49.38	49.38	55.26	58.8	58.8	64.8	64.8	70.8	70.8	70.8
h	Nominal Size		3	3	3	3	4	4	4	4	4	5	5	5	5	6	6	6
max		3.3	3.3	3.3	3.3	4.3	4.3	4.3	4.3	4.3	5.6	5.6	5.6	5.6	6.6	6.6	6.6
min		2.7	2.7	2.7	2.7	3.7	3.7	3.7	3.7	3.7	4.4	4.4	4.4	4.4	5.4	5.4	5.4

Size	Φ43	Φ46	Φ50	Φ52	Φ54	Φ57	Φ58	Φ60	Φ62	Φ66	Φ70	Φ74	Φ78	Φ82	Φ87	Φ93
M	For thread size		M42	M45	M48	M50	M52	M55	M56	M58	M60	M64	M68	M72	M76	M80	M85	M90
d	min=nominal size		43	46	50	52	54	57	58	60	62	66	70	74	78	82	87	93
max		43.62	46.62	50.62	52.74	54.74	57.74	58.74	60.74	62.74	66.74	70.74	74.74	78.74	82.87	87.87	93.87
dc	max=nominal size		78	85	92	92	98	105	105	110	110	115	120	125	135	140	145	160
min		76.8	83.6	90.6	90.6	96.6	103.6	103.6	108.6	108.6	113.6	118.6	123.4	133.4	138.4	143.4	158.4
h	Nominal Size		7	7	8	8	8	9	9	9	9	9	10	10	10	12	12	12
max		8	8	9	9	9	10	10	10	10	10	11	11	11	13.2	13.2	13.2
min		6	6	7	7	7	8	8	8	8	8	9	9	9	10.8	10.8	10.8

Size	Φ98	Φ104	Φ109	Φ114	Φ119	Φ124	Φ129	Φ134	Φ139	Φ144	Φ149	Φ155	Φ165
M	For thread size		M95	M100	M105	M110	M115	M120	M125	M130	M135	M140	M145	M150	M160
d	min=nominal size		98	104	109	114	119	124	129	134	139	144	149	155	165
max		98.87	104.87	109.87	114.87	119.87	125	130	135	140	145	150	156	166
dc	max=nominal size		165	175	180	185	200	210	220	220	230	240	250	250	250
min		163.4	173.4	178.4	183.15	198.15*	208.15	218.15	218.15	228.15	238.15	248.15	248.15	248.15
h	Nominal Size		12	14	14	14	14	16	16	16	16	18	18	18	18
max		13.2	15.2	15.2	15.2	15.2	17.2	17.2	17.2	17.2	19.2	19.2	19.2	19.2
min		10.8	12.8	12.8	12.8	12.8	14.8	14.8	14.8	14.8	16.8	16.8	16.8	16.8

DIN125-2 Flat washer Specifications

SizeΦ1.7Φ1.8Φ2.2Φ2.5Φ2.7Φ2.8Φ3.2Φ3.7Φ4.3Φ5.3Φ6.4Φ7.4Φ8.4Φ10.5Φ13Φ15
MFor   thread size　M1.6M1.7M2M2.3M2.5M2.6M3M3.5M4M5M6M7M8M10M12M14
dmin=nominal   size　1.71.82.22.52.72.83.23.74.35.36.47.48.410.51315
max　1.841.942.342.642.842.943.383.884.485.486.627.628.6210.7713.2715.27
dcmax=nominal   size　44.5566778910121416202428
min　3.74.24.75.75.76.646.647.648.649.6411.5713.5715.5719.4823.4827.48
hNominal   Size　0.30.30.30.50.50.50.50.50.811.61.61.622.52.5
max　0.350.350.350.550.550.550.550.550.91.11.81.81.82.22.72.7
min　0.250.250.250.450.450.450.450.450.70.91.41.41.41.82.32.3
damax　22.12.62.93.13.23.64.14.75.76.87.89.211.213.715.7
min　1.81.92.42.72.933.43.94.55.56.67.691113.515.5
r≈　0.150.150.150.20.20.20.20.20.20.20.20.20.40.40.40.4
　
SizeΦ17Φ19Φ21Φ23Φ25Φ27Φ28Φ29Φ31Φ33Φ34Φ36Φ37Φ39Φ40Φ41
MFor   thread size　M16M18M20M22M24M26M27M28M30M32M33M35M36M38M39M40
dmin=nominal   size　17192123252728293133343637394041
max　17.2719.3321.3323.3325.3327.3328.3329.3331.3933.6234.6236.6237.6239.6240.6241.62
dcmax=nominal   size　30343739445050505660606666727272
min　29.4833.3836.3838.3843.3849.3849.3849.3855.2658.858.864.864.870.870.870.8
hNominal   Size　3333444445555666
max　3.33.33.33.34.34.34.34.34.35.65.65.65.66.66.66.6
min　2.72.72.72.73.73.73.73.73.74.44.44.44.45.45.45.4
damax　17.720.222.424.426.428.430.431.433.435.436.438.439.441.442.443.6
min　17.5202224262830313335363839414243
r≈　0.40.60.70.70.70.71.21.21.21.21.21.21.21.21.21.3
　
SizeΦ43Φ46Φ50Φ52Φ54Φ57Φ58Φ60Φ62Φ66Φ70Φ74Φ78Φ82Φ87Φ93
MFor   thread size　M42M45M48M50M52M55M56M58M60M64M68M72M76M80M85M90
dmin=nominal   size　43465052545758606266707478828793
max　43.6246.6250.6252.7454.7457.7458.7460.7462.7466.7470.7474.7478.7482.8787.8793.87
dcmax=nominal   size　7885929298105105110110115120125135140145160
min　76.883.690.690.696.6103.6103.6108.6108.6113.6118.6123.4133.4138.4143.4158.4
hNominal   Size　7788899999101010121212
max　88999101010101011111113.213.213.2
min　667778888899910.810.810.8
damax　45.648.652.654.656.66063656771757983879297
min　45485254565962646670747882869196
r≈　1.31.31.31.31.31.52.52.52.52.52.52.52.52.52.52
　
SizeΦ98Φ104Φ109Φ114Φ119Φ124Φ129Φ134Φ139Φ144Φ149Φ155Φ165　　　
MFor   thread size　M95M100M105M110M115M120M125M130M135M140M145M150M160　　　
dmin=nominal   size　98104109114119124129134139144149155165　　　
max　98.87104.87109.87114.87119.87125130135140145150156166　　　
dcmax=nominal   size　165175180185200210220220230240250250250　　　
min　163.4173.4178.4183.15198.15*208.15218.15218.15228.15238.15248.15248.15248.15　　　
hNominal   Size　12141414141616161618181818　　　
max　13.215.215.215.215.217.217.217.217.219.219.219.219.2　　　
min　10.812.812.812.812.814.814.814.814.816.816.816.816.8　　　
damax　102108113118123128133138143148153159169　　　
min　101107112117122127132137142147152158168　　　
r≈　2222222222222　　　

Size	Φ1.7	Φ1.8	Φ2.2	Φ2.5	Φ2.7	Φ2.8	Φ3.2	Φ3.7	Φ4.3	Φ5.3	Φ6.4	Φ7.4	Φ8.4	Φ10.5	Φ13	Φ15
M	For thread size		M1.6	M1.7	M2	M2.3	M2.5	M2.6	M3	M3.5	M4	M5	M6	M7	M8	M10	M12	M14
d	min=nominal size		1.7	1.8	2.2	2.5	2.7	2.8	3.2	3.7	4.3	5.3	6.4	7.4	8.4	10.5	13	15
max		1.84	1.94	2.34	2.64	2.84	2.94	3.38	3.88	4.48	5.48	6.62	7.62	8.62	10.77	13.27	15.27
dc	max=nominal size		4	4.5	5	6	6	7	7	8	9	10	12	14	16	20	24	28
min		3.7	4.2	4.7	5.7	5.7	6.64	6.64	7.64	8.64	9.64	11.57	13.57	15.57	19.48	23.48	27.48
h	Nominal Size		0.3	0.3	0.3	0.5	0.5	0.5	0.5	0.5	0.8	1	1.6	1.6	1.6	2	2.5	2.5
max		0.35	0.35	0.35	0.55	0.55	0.55	0.55	0.55	0.9	1.1	1.8	1.8	1.8	2.2	2.7	2.7
min		0.25	0.25	0.25	0.45	0.45	0.45	0.45	0.45	0.7	0.9	1.4	1.4	1.4	1.8	2.3	2.3
da	max		2	2.1	2.6	2.9	3.1	3.2	3.6	4.1	4.7	5.7	6.8	7.8	9.2	11.2	13.7	15.7
min		1.8	1.9	2.4	2.7	2.9	3	3.4	3.9	4.5	5.5	6.6	7.6	9	11	13.5	15.5
r	≈		0.15	0.15	0.15	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.4	0.4	0.4	0.4

Size	Φ17	Φ19	Φ21	Φ23	Φ25	Φ27	Φ28	Φ29	Φ31	Φ33	Φ34	Φ36	Φ37	Φ39	Φ40	Φ41
M	For thread size		M16	M18	M20	M22	M24	M26	M27	M28	M30	M32	M33	M35	M36	M38	M39	M40
d	min=nominal size		17	19	21	23	25	27	28	29	31	33	34	36	37	39	40	41
max		17.27	19.33	21.33	23.33	25.33	27.33	28.33	29.33	31.39	33.62	34.62	36.62	37.62	39.62	40.62	41.62
dc	max=nominal size		30	34	37	39	44	50	50	50	56	60	60	66	66	72	72	72
min		29.48	33.38	36.38	38.38	43.38	49.38	49.38	49.38	55.26	58.8	58.8	64.8	64.8	70.8	70.8	70.8
h	Nominal Size		3	3	3	3	4	4	4	4	4	5	5	5	5	6	6	6
max		3.3	3.3	3.3	3.3	4.3	4.3	4.3	4.3	4.3	5.6	5.6	5.6	5.6	6.6	6.6	6.6
min		2.7	2.7	2.7	2.7	3.7	3.7	3.7	3.7	3.7	4.4	4.4	4.4	4.4	5.4	5.4	5.4
da	max		17.7	20.2	22.4	24.4	26.4	28.4	30.4	31.4	33.4	35.4	36.4	38.4	39.4	41.4	42.4	43.6
min		17.5	20	22	24	26	28	30	31	33	35	36	38	39	41	42	43
r	≈		0.4	0.6	0.7	0.7	0.7	0.7	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.3

Size	Φ43	Φ46	Φ50	Φ52	Φ54	Φ57	Φ58	Φ60	Φ62	Φ66	Φ70	Φ74	Φ78	Φ82	Φ87	Φ93
M	For thread size		M42	M45	M48	M50	M52	M55	M56	M58	M60	M64	M68	M72	M76	M80	M85	M90
d	min=nominal size		43	46	50	52	54	57	58	60	62	66	70	74	78	82	87	93
max		43.62	46.62	50.62	52.74	54.74	57.74	58.74	60.74	62.74	66.74	70.74	74.74	78.74	82.87	87.87	93.87
dc	max=nominal size		78	85	92	92	98	105	105	110	110	115	120	125	135	140	145	160
min		76.8	83.6	90.6	90.6	96.6	103.6	103.6	108.6	108.6	113.6	118.6	123.4	133.4	138.4	143.4	158.4
h	Nominal Size		7	7	8	8	8	9	9	9	9	9	10	10	10	12	12	12
max		8	8	9	9	9	10	10	10	10	10	11	11	11	13.2	13.2	13.2
min		6	6	7	7	7	8	8	8	8	8	9	9	9	10.8	10.8	10.8
da	max		45.6	48.6	52.6	54.6	56.6	60	63	65	67	71	75	79	83	87	92	97
min		45	48	52	54	56	59	62	64	66	70	74	78	82	86	91	96
r	≈		1.3	1.3	1.3	1.3	1.3	1.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2

Size	Φ98	Φ104	Φ109	Φ114	Φ119	Φ124	Φ129	Φ134	Φ139	Φ144	Φ149	Φ155	Φ165
M	For thread size		M95	M100	M105	M110	M115	M120	M125	M130	M135	M140	M145	M150	M160
d	min=nominal size		98	104	109	114	119	124	129	134	139	144	149	155	165
max		98.87	104.87	109.87	114.87	119.87	125	130	135	140	145	150	156	166
dc	max=nominal size		165	175	180	185	200	210	220	220	230	240	250	250	250
min		163.4	173.4	178.4	183.15	198.15*	208.15	218.15	218.15	228.15	238.15	248.15	248.15	248.15
h	Nominal Size		12	14	14	14	14	16	16	16	16	18	18	18	18
max		13.2	15.2	15.2	15.2	15.2	17.2	17.2	17.2	17.2	19.2	19.2	19.2	19.2
min		10.8	12.8	12.8	12.8	12.8	14.8	14.8	14.8	14.8	16.8	16.8	16.8	16.8
da	max		102	108	113	118	123	128	133	138	143	148	153	159	169
min		101	107	112	117	122	127	132	137	142	147	152	158	168
r	≈		2	2	2	2	2	2	2	2	2	2	2	2	2

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